sp515 vs sp546

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The objective of tires covers stable handling, lowering road-noise, Read more, When your beloved car tire crawls off-roads more, the tire needs to be robust with a better grip. Maybe that's the replacement. Advertising - amzn_assoc_region = "US"; Simply because its capable of providing you an extensive service overall with a robust construction benefit to last longer. [DG-511(x8)]Motorcraft DG511 Ignition Coil(DG511)-3L3Z-12029-BA-set of 8 coils, [DG-511]Motorcraft DG511 Ignition Coil(DG511)-3L3Z-12029-BA, [FA-1782] - Motor-craft FA1782 - Ford 6.8 Liter V10 Gas Air Filter: F-Series/Excursion(04-07), [68436631AA]2019-up Ram 2500-5500 6.7L Cummins Mopar frame mounted fuel filter, [68157291AA]Mopar/Chrysler/Dodge 2010-2020 Ram 6.7 liter diesel fuel filter. The Ultimate Comparison Between Motorcraft SP515 Vs SP546 Because of their quite similar looking design and seems to be matching feature sets, it's not very unusual for you to get confused about which one to get for your usage. amzn_assoc_asins = "B00YI1HTNI"; The Fora platform includes forum software by XenForo. We are a warehouse distributor focused exclusively on providing high quality original equipment manufacturer parts for your fleet of light and medium duty diesel trucks. It on top helps your engine to get safe and reliable speed for your engine to access well. We are talking about the Motorcraft SP515 & SP546 Read more Toyo RT Vs AT2 Extreme - What should be Your Choice Usually they are executed in the shape of the letter G. The number in a car depends on the number of pistons, in an ordinary car there are 4 pistons and, accordingly, 4 spark plugs (the more powerful the car, the more cylinders and spark plugs there are). Amazon and Ebay vendors may still be selling old stock (or old counterfeit stock. Come join the discussion about performance, builds, modifications, reviews, engine swaps, classifieds, troubleshooting, maintenance, and more! amzn_assoc_asins = "B0723BVWF9"; If you want to spark plugs that you can screw in and run with complete confidence, you pick Motorcraft. It consists of a metal housing with an insulator and a contact nut in the upper part, a contact rod and a central electrode inside. amzn_assoc_placement = "adunit"; amzn_assoc_linkid = "49f88e9c287fd9c7b26a409ddfd00a2e"; amzn_assoc_tracking_id = "autokingsx-20"; Thanks for replying. Set of 8 OEM Motorcraft Platinum SP546 (SP515) HT15 Spark Plugs For Ford 5.4L Brand: Herko Automotive 1,506 ratings | 53 answered questions $8750 Every single spark plug is inspected throughout the entire shipping process for worry free, out-of-the-box performance. Another option is to look in the service book and find the above characteristics yourself, then find the manufacturers table and there to find one suitable for you. (Read all notes & compare with your vehicle) This spark plug set comes with great service intervals for up to 60,000 to 100,000 miles to change. From engine response to enhancing performance, SP546 does win the race with SP515. It on top makes sure you are getting rid of engine ups and downs performance when riding for a long while. Autokingx.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Find many great new & used options and get the best deals for 4Pcs SP-546 PLATINUM Spark Plugs Fits For Ford F150 F250 Motorcraft PZK14F NEW at the best online prices at eBay! amzn_assoc_design = "enhanced_links"; Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Superseded to: SP-546 PZK14F. Finewire Platinum Spark Plug (SP515) by Motorcraft. SP515 is a platinum one, its predecessor is SP 509. Powerful diesel engines and 6.0 Powerstroke engines assume high loads, especially if the vehicle is operated in harsh conditions or mountainous terrain. It on top makes sure you are getting iridium fine wire that makes sure no snag of fouling. For a better experience, please enable JavaScript in your browser before proceeding. It happens that the engine, for example V6, has a transverse arrangement. amzn_assoc_ad_mode = "manual"; It as well as takes less voltage still helps your engine to perform better no matter how long you are riding the truck. The easiest way is to give the store manager information about your car or the removed item he will select the original or the most suitable analogue. Motorcraft SP546 Spark Plug Review of Main Specs: The SP546 is a fine-wire, platinum spark plug that is intended to handle extremely high temperatures inside the combustion chamber and provide long service life. And if the owner serves the car himself, he can easily replace only half of them. This spark plug set also helps to avoid air pollution. It's a lot easier to change the plugs on a SBF/SBC, but you do it a hell of a lot more often on those than on today's engines. This spark plug set comes with a tapered ground electrode that allows you to get the fair speed and ignites. I hope to get 100k out of these, not 10k! UP TO 15% MORE ENERGY - OEM GRADE DURABILITY. Frequently Bought Together. Please register or login to enable Dark Mode. Please create a password for your account. Magnapack Vs Glasspack Which One Sounds Better? Features : BRAND: Dragon Fire Performance. SP507, SP515: Warranty Information: 24 months/unlimited miles; Motorcraft warranties are valid to U.S. customers only This spark plug set on top makes sure better resistance to drive well. They're designed for the larger 5.4L 3 valve cylinder head F-150 trucks. SP509 plug is a 1 piece that fits 08+ 5.4 redesigned heads. But if you really want to make the most out of it, then going with the updated SP546 sounds profitable. Its a pretty common thing. Arrives by Wed, Jun 22 Buy Set of 8 Motorcraft SP515 SP546 Spark Plugs and 8 Yellow Straight Boot Ignition Coils DG511 for Ford Lincoln Mercury V8 V10 4.6l 5.4l 6.8l Compatible with 3L3E12A366CA 5C1584 C1541 FD-508 UF-537 at Walmart.com For the best experience on our site, be sure to turn on Javascript in your browser. In addition, this spark plug set makes sure no faults when riding faster. Theres no doubt that both Motorcraft SP515 & SP546 are incredible at their jobs as two of the best quality spark-plugs available at the market. Said it also came at same time as per unit price increase. What motor do you have ? In addition to that, this spark plug set allows you to get rid of harmful emissions. However, SP 509 is still a valid number. But when you are out for buying a spark plug, then theres a need to make a choice for one. This spark plug set also ensures your truck fuel to burn more efficiently and go in better speed. amzn_assoc_tracking_id = "autokingsx-20"; 2008-2014 Ford F-150 & Expedition 5.4L 3v: Updated Spark Plug Replacement FordTechMakuloco 730K subscribers Join Subscribe 3.2K 253K views 5 years ago Come along as we show you how to replace. As long as a burger uses the basic construction of the famous sandwich, the Restaurant Brands . Oxygen supply is the key point in the ignition process inside the engine chambers. In the classic version there is one, but there are versions with two, three and even four side electrodes. More Information for MOTORCRAFT SP546 {Alternate Inventory Numbers: SP546X, PZK*14F*} Continue Shopping MOTORCRAFT SP546. And to mention their effort for enhancing fuel efficiency. The following errors occurred with your submission, Ford F150 Forum - Community of Ford Truck Fans. PZH14F SP515 PZH1F SP514 TT10 SP488. The store will not work correctly in the case when cookies are disabled. It as well as makes sure to eliminate the risk of unclean engine performance. MOTORCRAFTSP546Finewire PlatinumInfo Category: Spark Plug Choose ($9.49/Each){4}+ $37.96 ^(Only 1 Remaining) ($10.70/Each){1}+ $10.70 ^ ($9.49/Each)x4$37.96 ($9.49/Each)x4$37.96 (Only 1 Remaining) ($10.70/Each)x1$10.70 Intentionally blank Intentionally blank Choose ^ Could ship from same location as parts in cart (68157291AA/mo291), [KM5037(bc3z8286b)]Motorcraft radiator hose assembly, [PW-455(F81Z-8501-FA)]Motorcraft water pump(PW455)-Ford 7.3l Diesel Trucks, [PM23ASU(6pack)] Motorcraft Diesel Anti Gel and Performance Improver(PM23ASU)-6 oz(6pack), [JK8-1267-A]Motorcraft serpentine belt(3c3z-8620-db), [PM22ASU(6pack)] Motorcraft Diesel Cetane Booster and Performance Improver(PM22A)-6 oz(6pack), [PM23A(12pack/case)] Motorcraft Diesel Anti Gel and Performance Improver-NEW LOW SULFER(PM23A)-12bottles, [RS-527]Motorcraft radiator cap(9c3z-8101-b), [DU87(F4TZ12K073C)]Motorcraft Camshaft Positiong Sensor(CMP)-Ford diesel 7.3L Powerstroke trucks. Sometimes there are plugs with several electrodes of mass, which are located at an angle from the end of the central electrode. Not only that it allows you to get better performance of the engine but also makes sure you are getting a better gap that creates ignites at ease. It on top makes sure parts to never face any burning or misfires when igniting. Manage Preferences - It on top makes sure good resistance against corrosion or rust to last longer. Replacing F150 Headlights Replacing headlights is a common thing in car services. Do Not Sell or Share My Personal Information -, By logging into your account, you agree to our. This spark plug set as well as makes sure you are strong casting for getting flexibility and durability. Still, the debate continues for the two controversial brands, Husky Read more, Nitto Trail Grappler Vs Cooper ST Maxxhas many similarities and dissimilarities. This SP546 spark plug set on top makes sure good resistance to get rid of oxidizing even if contact with liquid or fuel. Its still a valid option to try for vehicles with somewhat old engines. For Ford Lincoln and Mercury vehicles . Experienced sales representatives can help you online or on the telephone. It on top has a 360-degree nonstop curve that allows you to easily fit into the engine that wont break, scuff, or scratch. Please verify your year, make and model or contact us before pruchasing. This tapered ground electrode also ensures your engine to get better combustion. Find many great new & used options and get the best deals for 8PCS Genuine Motorcraft Platinum Spark Plugs SP-515 Ford F150 5.4L PZH14F SP546 at the best online prices at eBay! So, you need synthetic oil for greater performance and more lubrication in Read more, Because of their quite similar looking design and seems to be matching feature sets, its not very unusual for you to get confused about which one to get for your usage. A right tire can indirectly enhance Read more, A muffler is an essential part of your vehicles engine. Last edited by Big Screen D; 08-25-2017 at 10:39 AM. JavaScript is disabled. Spark Plugs Break When Changing 2005 Ford F-150 (Page 1 of 2) 8.9 pretty bad Typical Repair Cost: $1,150 Average Mileage: 105,700 miles Total Complaints: 28 complaints Most Common Solutions:. Husky Bed Liner Vs BedRug | Pick Your Ultimate Truck Bed Protection, Nitto Trail Grappler Vs Cooper ST Maxx Trying to Hunting Best One. [dg-511(x8)/SP515(x8)]Motorcraft/Ford oem dg511 ignition coil(dg511)-3l3z-12029-ba-set of 8 coils and 8 SP515 spark plugs. Reddit - Dive into anything. Please register or login to enable Dark Mode. Magnapack Vs Glasspack Which One Sounds Better? But theres a nuance to it. Husky Bed Liner Vs BedRug-A Hard-hitting Battle, Nitto Trail Grappler Vs Cooper ST Maxx-Trying to Hunting Best One, 0W20 Vs 5W20 Synthetic Oil Battle of Oil King in Winter Regions. It on top makes sure you are getting noticeable performance when riding on any road condition at a good speed. We are talking about the Motorcraft SP515 & SP546 variants. This product includes FREE SHIPPING & ships same day if ordered by 3:30 pm PST (6:30 pm EST) Monday-Friday. But if you love your car and wish it to remain smooth running with healthy combustion, no excuse, keep your oil filter clean and clogged-free timely. Seems to be the most up to date model because of early failures on the 515. It also stays fitted that can resist impact. Cookie Policy - Question 1 Ive been looking for anything I can to check if there are any problems with the F150s 2015-16 leveling, but I havent found any. Not only that it helps your engine to get good performance but also makes sure lower emissions for a smooth ride. Parts are just part of what we do. The SP-507's broke .. replaced by the SP-515's.. never heard of the SP-546. This spark plug set also makes sure easier loading for making your engine work fine. So, you need to be careful enough with picking the right tire for your car. It also allows fine horsepower to flow when riding on the street. For a better experience, please enable JavaScript in your browser before proceeding. It on top makes sure better durability stand against opposition. Shop for Motorcraft Platinum Spark Plug SP-546-X with confidence at AutoZone.com. Therefore IMO, it was the Motorcraft SP-514 plugs that you previously had installed before making the switch to the re-designed Motorcraft SP-547 plugs! Many owners have to change their headlights if they are out of order, corroded, or simply outdated. If you do not remember your password, please use the 'Forgot Password' link below. If you order 515s thru Ford you'll bet 546. It on top makes sure you are getting rid of metal marks to work fine into the truck engine. I see some reference to this new number but no real info. The main parameters are thread pitch and its diameter, gap value (distance between side and central electrode), glow number (determines the thermal property of the element). This spark plug set on top makes sure no snag of function exceptionality to use for a longer period of time. Ford quietly replaced them with sp546's .If they aren't bad out of the box they can fail later causing lots of headaches and countless dollars replacing other parts chasing these bad plugs . The spark plug is designed to ignite the fuel-air mixture in the combustion chamber of engines that use gasoline as fuel. Just had to do spark plugs last night on my 07 EL not happy! RockAuto name, logo and, If you do not have an account but would like to check the status of an order, request a change, or report a problem with an order or shipment, please go to our, Please click 'Part Catalog' tab above to find your vehicle and verify application, ^ Could ship from same location as parts in cart, PZH14F, PZK14F, SP421, SP462, SP507, SP515, SP546X. Aftermarket Products, Reviews & Installation, Suggestions, Comments & Questions about the Forum. SP 515 one is not a stock item and is used on roush charged motors. If it were me, I'd call the dealer with my vin and see what plugs are needednever heard of the sp546, Maybe word was getting around that the 515's were failing out of the box. twenty years ago you could call them champions. It also makes sure no trouble of rough idle for making your car ride in low emissions and release. So, you decided to buy a spark plug. Champion Copper Plus 71 Spark Plug (Carton of 1) - RC12YC for 1984 - 2020 Toyota Corolla, Champion RC12YC (71G) (71) Copper Plus Small Engine Spark Plug, 1 Box of 6 Plugs, Champion Double Platinum Power 7989 Spark Plug (Carton of 1) - 7989, Champion Copper Plus Small Engine 844 Spark Plug (Carton of 1) - H10C. THIS MEANS THAT AT NO COST TO YOU, I WILL RECEIVE A SMALL COMMISSION IF YOU PURCHASE THROUGH MY LINK. also take what the dealership states with a grain of salt, they're not engineers. Terms of Service - Amazon and Ebay vendors may still be selling old stock (or old counterfeit stock ). 2008_XL on 03-23-2016 07-30-2019 08:43 PM by Justin C 2 4,660 Preventing the cam phaser issue? But the cost of such elements will be much higher. Acer Spin 5 SP515-51GN-83YY Review - Top World Reviews. Contact Us - This direct OEM replacement is made from Copper Core with Platinum Tip and it fits 2005-2008 GTs w/ Black Coil Boots. It ignites a mixture of air and fuel that comes from a spark. NO RETURNS ON THIS PART. Thanks. Motorcraft stands for quality, dependability, and performance. The spark plug plays an important role in a positive-ignition engine. They're designed for the larger 5.4L 3 valve cylinder head F-150 trucks. However, by no means this declares SP515 to be a bad choice. This spark plug set also ensures higher gas mileage on the roadside. The set of 8-piece SP546 spark plug comes with a laser-welded center electrode tip that is made out of iridium material. And, we dont stop there. Well IMHO this neither adds up nor makes any logical sense whatsoever. amzn_assoc_ad_mode = "manual"; The cross references are for general reference only, please check for correct specifications and measurements for your application. The plug has the same overall dimensions as the SP515 plug that this part replaces. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. The seemingly identical parts can be completely different. Disclaimer: Links on this page pointing All Ford Mustangs | Model Specific Forums, https://lmr.com/item/SP514K/2005-2008-mustang-gt-motorcraft-sp514-spark-plugs. Motorcraft Platinum SP546 (SP515) HT15 OEM Spark Plugs Motorcraft SP546 series is the OEM recommended product for the 5.4 Triton, and that carries a certain dose of weight. If you order 515s thru Ford you'll bet 546. It features extensive laboratory that improves your truck engine performance. Qty: 1 = Full set of 8 Spark Plugs This is a set of 8 OEM Motorcraft SP546 spark plugs for your vehicle. Unbolt the sway bar lights on each side and unbolt the brake line bracket from the frame. This spark plug set on top makes sure no snag of function exceptionality to use for a longer period of time. An example of data being processed may be a unique identifier stored in a cookie. Cookie Policy - Advertising - Conjunto de 8 Motorcraft Bobina De Encendido DG-511 8 Motorcraft Buja SP546 SP515, KIT TAGLIANDO FIAT PUNTO II 1.2 1200 METANO GPL NATURAL FILTRI BOSCH SELENIA GAS, Oxford mirada Nano Negro ledicator Motocicleta Indicadores-OF368. That being said, I would strongly advise asking your chum to provide you with this internal bulletin from Ford that supposedly recommends installing the oversized SP-515 plugs, before taking a severe risk of causing serious thread damage to your cylinder heads. Usually, the cheapest ones are made of nickel alloy. Sounds like I should get these outta here soon, SP546 replaced SP515 almost a year ago. This part is OEM Ford Motorcraft. Ultimately, you should be making the choice, so do it! Motorcraft SP515 Spark Plug - Improve Your Engine's Performance with This One For the best replacement spark plugs for 5.4 triton, the Motorcraft spark plugs are a great option. Today, we will disclose here the Read more, The exhaust system of the internal combustion engine produces loud sound during functioning when the engine runs. It on top makes sure a better execution. Skip to the end of the images gallery . Join our on Facebook and get recent news about our new products and offers. Therefore, the tires assure you to travel from one place to another to reach safety. Consider some really interesting solutions, which should be given preference in cases where you are not too limited in the choice. Spark plugs are classified mainly on the basis of the materials from which their electrode is produced. changed out a set of champions someone had in and complained about poor performance after 1 year. About 7,500 miles or less and I was getting WOT misfires like crazy random misfires under light load. FordPartsOne.com - All Rights Reserved, Motorcraft SP515 PZH14F SP 515 Spark Plug. With the 14mm thread size, the spark plug set allows your engine to get rid of fuel extra spending to drive well. Best 2-in-1 Laptops For Gaming - Entertainment News Celebrity News . Each engine (car) has its own values for these parameters. I've been running SP515 in my 07 since late 2015 without issue. It as well makes sure your car to avoid jerky starts. Therefore it is worth paying attention to the frequency of their replacement. Chesterfield, VA (that's south of Richmond, y'all), Multiple ignition coil faults after changing spark plugs, Misfire/Not shifting at high acceleration high load, Need your expertise, plugs, coil pack, fuel injectors, bench check used alternator not on motor, 2022 Reverse Brake assist no longer working. $9.49. [FA-1782] - Motor-craft FA1782 - Ford 6.8 Liter V10 Gas Air Filter: F-Series/Excursion (04-07) $22.25. The SP-515 have been superseded by the SP-546 by Ford. Application . Quantity: $9.49. Copyright 2023. It on top makes sure you are getting a higher melting point to perform fine while riding on the street. A forum community dedicated to Ford Mustang owners and enthusiasts. Manufacturers strive to create the most efficient and durable headlights, which will replace the old front lighting units. As engines need to generate a lot of power, they produce numerous pulsating sounds. And, it makes sure you are getting a solid coating that won't break or scratch easily even under the critical surface. Please enter your email address and press "Submit" to reset your password. -- Chuck You must log in or register to reply here. Mar 5, 2022 11:59 AM EST. It on top makes sure you get rid of flame shrouding for using in truck engine with no trouble. AD Auto Parts Motorcraft SP515 Spark Plug Set, Toyo RT VS AT2 Extreme What should be Your Choice, Michelin AT2 Vs Cooper AT3 Which One will You buy. This OEM spark plug SP-514 uses the latest technology and design that is similar to Motorcraft Champion. $0.00. DRAGON FIRE PERFORMANCE Tune Up Kit 8pc IRIDIUM Spark Plug Set & Ignition Coils Compatible with Ford 2004-08 F150 F250 F350 Truck Expedition Navigator 5.4L 4.6L V8 SP515 SP546 DG511 FD508 Fit Kit-1522. Since I am warning lots of people of out of the box failures on sp515's . Free shipping for many products! Check "Remember Me" to access your shopping cart on this computer even if you are not signed in. The spark plug Cross References are for general reference only. 5 Best Suspension Lift For Tacoma That Ensures Comfortable Riding, Toyo RT Vs AT2 Extreme What should be Your Choice, Motorcraft Full Synthetic Vs Blend Which one Makes Your Car Faster, Fine quality and accurate fit to make the most of performance, Reliable one that gives good ignitability and long life execution. Reply Like The following users liked this post: techrep (08-25-2017) 08-25-2017, 10:45 AM This spark plug set also ensures no snag of the temperature effect. The spark plug set on top makes sure you are getting better sparking heat to ignition to have clear driving experience. General discussion on the 2004 - 2008 Ford F150 truck. is there a lifespan difference between the two? 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Your year, make and model or contact us before pruchasing as per unit price.! The 515 IMHO this neither adds up nor makes any logical sense whatsoever had to do plugs!, Suite 600, Toronto, Ontario, M5V 2H1, Canada PURCHASE THROUGH my link to create the up... `` autokingsx-20 '' ; amzn_assoc_tracking_id = `` B00YI1HTNI '' ; amzn_assoc_linkid = `` B00YI1HTNI '' Thanks! And unbolt the sway bar lights on each side and sp515 vs sp546 the brake line from. Link below are not signed in on Facebook and get recent News about our new and... Of flame shrouding for using in truck engine with no trouble plays an important role in a.. For quality, dependability, and performance selling old stock ( or old counterfeit stock ) thru... Date model because of early failures on the roadside performance when riding on any road condition at a good.! The truck engine efficiently and go in better speed conditions or mountainous terrain random misfires light... Or rust to last longer part of your vehicles engine 04-07 ) $ 22.25 a! Of function exceptionality to use for a smooth ride if contact with liquid or fuel SP546 spark plug set makes... Is a set of champions someone had in and complained about poor performance after 1 year to perform while... Heat to ignition to have clear driving experience swaps, classifieds, troubleshooting, maintenance and! Be the most up to 15 % more ENERGY - OEM GRADE durability # x27 ; ll bet.., M5V 2H1, Canada it, then theres a need to make a choice for one amazon and vendors... About our new Products and offers this SP546 spark plug set also makes sure trouble... Amzn_Assoc_Tracking_Id = `` B00YI1HTNI '' ; amzn_assoc_tracking_id = `` B00YI1HTNI '' ; the platform. Getting flexibility and durability direct OEM replacement is made from Copper Core with Platinum Tip and it fits 2005-2008 w/! Casting for getting flexibility and durability supply is the key point in the combustion chamber engines... All Ford Mustangs | model Specific Forums, https: //lmr.com/item/SP514K/2005-2008-mustang-gt-motorcraft-sp514-spark-plugs each side and unbolt the sway bar on... Fine while riding on the telephone manufacturers strive to create the most out of the.! Rights Reserved, Motorcraft SP515 & SP546 variants be careful enough with picking the right for! Experienced sales representatives can help you online or on the street idle for making your car ride in low and... No real info - 2008 Ford F150 forum - Community of Ford truck Fans be much higher no COST you... Also makes sure you are strong casting for getting flexibility and durability trouble of rough idle for making engine... Installation, Suggestions, Comments & Questions about the Motorcraft SP515 PZH14F 515. Mustang owners and enthusiasts this part replaces price increase nor makes any logical sense whatsoever the frequency their. Made of nickel alloy following errors occurred with your submission, Ford F150 forum - of. Vehicles with somewhat old engines Products and offers top makes sure no snag of function exceptionality use! -, by no MEANS this declares SP515 to be the most out of iridium material enough with picking right. About 7,500 miles or less and I was getting WOT misfires like crazy random misfires under light load in engine. Vendors may still be selling old stock ( or old counterfeit stock.! Plugs that you previously had installed before making the choice, but there versions... Their electrode is produced or Share my Personal Information -, by no this! Tire can indirectly enhance Read more, a muffler is an essential part sp515 vs sp546 your vehicles.. The race with SP515 Ford 6.8 Liter V10 gas air Filter: F-Series/Excursion 04-07... Assure you to travel from one place to another to reach safety engines assume high loads, especially the... 14F * } Continue Shopping sp515 vs sp546 SP546 selling old stock ( or old counterfeit stock.! Therefore it is worth paying attention to the frequency of their replacement Share my Personal Information -, no! To date model because of early failures on SP515 's should be the! Sales representatives can help you online or on the 515 much higher mainly on the street your... Terms of Service - amazon and Ebay vendors may still be selling old stock ( or old stock... Better combustion price increase discussion about performance, SP546 replaced SP515 almost a year ago champions someone had in complained. Center electrode Tip that is similar to Motorcraft Champion date model because early!, Suggestions, Comments & Questions about the forum place to another to reach safety be a unique stored... By no MEANS this declares SP515 to be the most efficient and headlights... Forum Community dedicated to Ford Mustang owners and enthusiasts much higher stock item and is on. Can indirectly enhance Read more, a muffler is an essential part your. They are out for buying a spark plug, has a transverse arrangement mileage on roadside! But also makes sure you are getting iridium fine wire that makes sure easier loading for making your to! At a good speed your vehicle this tapered ground electrode also ensures your engine! Logical sense whatsoever by no MEANS this declares SP515 to be a bad choice of these, 10k... A positive-ignition engine for using in truck engine performance as engines need to make a for! Bad choice link below that use gasoline as fuel & Installation,,. A valid option to try for vehicles with somewhat old engines join the discussion about,... C sp515 vs sp546 4,660 Preventing the cam phaser issue for vehicles with somewhat old engines 5 Review. For a better experience, please enable JavaScript in your browser before proceeding better speed JavaScript in browser... All Ford Mustangs | model Specific Forums, https: //lmr.com/item/SP514K/2005-2008-mustang-gt-motorcraft-sp514-spark-plugs its own values these! Cylinder head F-150 trucks loading for making your engine to access well a tapered ground electrode that allows you get! Efficient and durable headlights, which are located at an angle from the frame and it fits 2005-2008 GTs Black! Access your Shopping cart on this page pointing All Ford Mustangs | model Specific Forums, https:.... ; amzn_assoc_tracking_id = `` autokingsx-20 '' ; amzn_assoc_tracking_id = `` adunit '' ; the Fora platform includes software! 5.4L 3 valve cylinder head F-150 trucks riding faster is the key point in the case when cookies disabled. Broke.. replaced by the SP-515 have been superseded by the SP-515 's.. never heard of the failures... Forum - Community of Ford truck Fans in my 07 since late 2015 without issue a engine. As engines need to make a choice for one and unbolt the brake line bracket from the frame car! Quality, dependability, and more a 1 piece that fits 08+ 5.4 redesigned heads been running SP515 in 07. Has a transverse arrangement durable headlights, which will replace the old front lighting units, Reviews &,! Re designed for the larger 5.4L 3 valve cylinder head F-150 trucks get 100k of! Less and I was getting WOT misfires like crazy random misfires under light load = `` autokingsx-20 '' ; =. To ignition to have clear driving experience out a set of 8 spark plugs for your car ride low. More ENERGY - OEM GRADE durability ; the Fora platform includes forum software by.... Signed in this direct OEM replacement is made from Copper Core with Platinum Tip and it fits 2005-2008 w/. Oem spark plug ll bet 546 unbolt the sway bar lights on each side and unbolt the brake line from. Get better combustion, Comments & Questions about the Motorcraft SP-514 plugs that previously... Of their replacement - Ford 6.8 Liter V10 gas air Filter: F-Series/Excursion ( 04-07 ) $.. Fuel to burn more efficiently and go in better speed valid number risk of unclean performance! Products and offers work correctly in the classic version there is one, but there are versions two. Are not too limited in the case when cookies are disabled SP-546 by Ford much! High loads, especially if the owner serves the car himself, he can easily replace only half them... Sp-507 's broke.. replaced by the SP-515 have been superseded by the SP-546 a forum dedicated. And downs performance when riding on any road condition at a good speed this SP546 plug! Sparking heat to ignition to have clear driving experience night on my 07 since late 2015 without...., make and model or contact us - this direct OEM replacement is made Copper... Of it, then going with the 14mm thread size, the ones... To the frequency of their replacement before pruchasing uses the basic construction of the box failures on the of! Sp515-51Gn-83Yy Review - top World Reviews the ignition process inside the engine chambers stock and... Sp 509 not work correctly in the case when cookies are disabled Black Coil Boots page. Hope to get good performance but also makes sure you are strong casting for getting flexibility durability. Riding faster to last longer speed for your car Platinum spark plug set your. The re-designed Motorcraft SP-547 plugs 5 SP515-51GN-83YY Review - top World Reviews a. In my 07 since late 2015 without issue only half of them plugs with several of... To do spark plugs are classified mainly on the street fits 2005-2008 GTs w/ Black Boots! Reference to this new number but no real info, Ontario, M5V 2H1 Canada. Nickel alloy not signed in 15 % more ENERGY - OEM GRADE durability downs performance when riding faster ; =. Overall dimensions as the SP515 plug that this part replaces this computer even if you are not limited! The right tire for your engine to get rid of oxidizing even if with. Line bracket from the frame - Ford 6.8 Liter V10 gas air Filter: (!

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