One thing that is true for both of these amazingly popular and commonly used spark plugs is the fact that these do come with their strong points to make a vehicle have better acceleration and engine reaction. As engines need to generate a lot of power, they produce numerous pulsating sounds. 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). $9.49. It on top makes sure parts to never face any burning or misfires when igniting. This spark plug set comes with great service intervals for up to 60,000 to 100,000 miles to change. 1999-2023 RockAuto, LLC - Madison, Wisconsin USA. Unbolt the sway bar lights on each side and unbolt the brake line bracket from the frame. [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. It ignites a mixture of air and fuel that comes from a spark. For a better experience, please enable JavaScript in your browser before proceeding. Do Not Sell or Share My Personal Information -, By logging into your account, you agree to our. KCV218 SP515 PZH14F G10166 33243 GF796 33595.Fitment Type:Direct Replacement.Manufacturer Part Number . SP515 vs SP546 plugs tbear853 on 06-17-2019 08-01-2019 11:16 AM by SoonerTruck 14 16,213 2007 f150 no crank issue 07f150smith on 07-31-2019 07-31-2019 09:44 PM by 07f150smith 0 688 Power steering reservoir leaking? Any use of this cross reference is done at the installers risk. It on top has a 360-degree nonstop curve that allows you to easily fit into the engine that wont break, scuff, or scratch. And, we dont stop there. Said it also came at same time as per unit price increase. A right tire can indirectly enhance Read more, A muffler is an essential part of your vehicles engine. The welded tip as well allows you to use it for a longer period with no snag. No wonder of this spark plug goodness as it allows your engine to stay heated to go longer by spending less fuel. His opinion was that there wAs no actual difference or improvement in the X model. This Item: [SP-546X (PZK14F)]Motorcraft Spark plugs (replaces SP515) $11.75. 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SP515 is a platinum one, its predecessor is SP 509. Similar threads A Multiple ignition coil faults after changing spark plugs Agent_Ice Nov 20, 2021 3rd Gen - 2007 - 2017 Replies 6 Motorcraft SP515 Spark Plugs are designed, engineers, and recommended by Ford Motor Company. SP509 plug is a 1 piece that fits 08+ 5.4 redesigned heads. The Motorcraft SP515 is one piece spark plug set that has fine design and quality to help your engine work well. Motorcraft Platinum SP515-SP546 HT15 Spark Plug For Ford 5.4L PZH14F. And to mention their effort for enhancing fuel efficiency. Sp546X vs sp546 spark plugs ( 5.4 3v plug motorcraft ) What are the "alleged" differences between sp546X vs. plain sp546, why the new model? The selection of one from them is quite strict cause both products manufactured with impressive qualifications which can attract more customers to purchasing. 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. The Motorcraft plugs for the 2005- early 2008 4.6L 3 valve Mustangs are Motorcraft SP-462 superseded by SP-514 and SP-547. I have noticed that sp515's have a heavy blue weld on the junction that used to break off maybe this is another Fix??? DISCLAIMER: THERE ARE AFFILIATE LINKS IN THIS POST. NeweggBusiness - Sleeve For Acer Aspire, Chromebook, Nitro, Predator. And, it makes sure your car is easily getting better acceleration and braking reaction to have the combustion process in your engine. It on top makes sure a better execution. 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 PZH14F SP515 PZH1F SP514 TT10 SP488. Main Question: I just purchased a 94 F150 with 214k on it. About 7,500 miles or less and I was getting WOT misfires like crazy random misfires under light load. It may not display this or other websites correctly. 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). The store will not work correctly in the case when cookies are disabled. 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. It is used in diesel motors. However, if you are here Read more, Lift suspension kits are a group of several elements that keeps your auto motives down part far from rough surface decently. Seems to be the most up to date model because of early failures on the 515. (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. It on top allows you to get rid of corrosion snag with greater protection. So, you decided to buy a spark plug. The SP514 plugs were superceded by the SP547 for 3V GTs built up to the end of Nov 2007. 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 The Fora platform includes forum software by XenForo. Said it also came at same time as per unit price increase. 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. $39.95. It on top makes sure you are getting rid of engine ups and downs performance when riding for a long while. Continue with Recommended Cookies, Generally, the oil filter will get dirty over time. amzn_assoc_design = "enhanced_links"; In addition to that, this spark plug set allows you to get rid of harmful emissions. Skip to the end of the images gallery . Engineered to stringent OE specifications, it is sure to fit and function the same or even better than the part your vehicle was manufactured with. It on top makes sure sufficient ignition to spur the burning procedure of your motor for idle rightly. Contact Us - We no longer carry SP515. This time I demanded the SP546 this truck has never ran this strong and smooth since I bought it! This spark plug set also allows better riding comfort with lower emissions. Spark Plug Iridium; Gap: .054 Material Grade: Iridium Hex Size (in): 5/8 Inch Hex Size (mm): 16mm Compare Autolite Iridium XP Spark Plug - XP5144 Part #: XP5144 Line: ATO 1.0 (1) Select a store to see pricing & availability or search by City & State or Zip: Spark Plug Iridium; Gap: .043 Material Grade: Iridium Hex Size (in): 5/8 Inch 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. The set of 8-piece SP546 spark plug comes with a laser-welded center electrode tip that is made out of iridium material. Save my name, email, and website in this browser for the next time I comment. Laptop and tablet deals: iPads, MacBooks, Razer laptops, Acer. Related:motorcraft sp546 Include description Category Selected categoryAll Automotive Parts & Accessories Brand Motorcraft(4) Items(4) partscollect(2) Items(2) Not Specified(4) Items(4) Voltage 6 - 10 V(1) Items(1) 11 - 15 V(4) Items(4) Not Specified(5) Items(5) Type Glow Plug(5) Items(5) Not Specified(1) Items(1) Brand Type The Ford F-series line is very BallisticParts.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for website owners to earn advertising fees by advertising and linking to amazon(.com, .co.uk, .ca etc) and any other website that may be affiliated with Amazon Service LLC Associates Program. 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! Get yours online today and pick up in store. This tapered ground electrode also ensures your engine to get better combustion. Choosing the correct Read more. When considering Best Oils For 6.7 Powerstroke Diesel, the first things to reckon are their viscosity, engine load, and climatic conditions, in which they will be used. This is a single SP-515 PHZ-14F spark plug. I've been running SP515 in my 07 since late 2015 without issue. Designed with high quality materials to meet or exceed OEM Specifications. What did you do to your truck today? Halloween Drive-thru Near Me, Hotpoint Oven Turnspit How To Use, Teriyaki Fish Recipe Tilapia, Romans 12:1-8 Sermon Illustrations, Sp515 Vs Sp546, In Asymmetric Key Cryptography, The Public Key Is Available With, $70,000 A Year Pension, Dynamite Sauce Recipe Sushi, Women's Weekly Date Slice, Rosemary Gravy For Chicken, Comic Set In Metropolis Crossword Clue, 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. But the cost of such elements will be much higher. General discussion on the 2004 - 2008 Ford F150 truck. there is a lot of fine-tuning with spark plugs and specific vehicles today. I just put plugs in it around Christmas 2017(didnt break any). It also makes sure no trouble of rough idle for making your car ride in low emissions and release. For a better experience, please enable JavaScript in your browser before proceeding. Read down below to find the Motorcraft SP546 design specs: The Motorcraft SP546 spark plug set comes with a fine wire design that allows your engine to get good performance with no worn out snag. The SP-515 have been superseded by the SP-546 by Ford. Spark Plug SP-515 PZH14F Motorcraft. What motor do you have ? Just had to do spark plugs last night on my 07 EL not happy! Please create a password for your account. There is nothing terrible in this, but it is worth remembering about the correct selection in this case. amzn_assoc_tracking_id = "autokingsx-20"; I'm going to be our Guinea Pig. Choose brandname and start typing model number. It ignites a mixture of air and fuel that comes from a spark. Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates. amzn_assoc_asins = "B00YI1HTNI"; make a purchase, we may earn a small commission. This spark plug set on top makes sure better resistance to drive well. A forum community dedicated to Ford Mustang owners and enthusiasts. Low prices AND great service are our passion. https://www.summitracing.com/parts/mof-sp515, Do Not Sell or Share My Personal Information. 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. It also allows your truck to easily fit with no trouble of loose fit. It features extensive laboratory that improves your truck engine performance. Frequently Bought Together. Thanks. Each engine (car) has its own values for these parameters. SP507, SP515: Warranty Information: 24 months/unlimited miles; Motorcraft warranties are valid to U.S. customers only In addition, this spark plug set makes sure no faults when riding faster. 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! Price. It happens that the engine, for example V6, has a transverse arrangement. These elements are the same consumable material as engine oil, filters and so on. Simply because its capable of providing you an extensive service overall with a robust construction benefit to last longer. Cookie Policy - Why Platinum? 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. Come join the discussion about performance, builds, modifications, reviews, engine swaps, classifieds, troubleshooting, maintenance, and more! If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. Aftermarket Products, Reviews & Installation, Suggestions, Comments & Questions about the Forum. 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. We are talking about the Motorcraft SP515 & SP546 variants. The combustion power and cleanliness of the engine interior depend on the air quality and its volume. Quantity: $9.49. Though in city roads and highways there are not any exact benefits of it other than the appearance in Read more, Currently, you may be using conventional oil for your car engine, and you are worried about upcoming cold weather because in this situation conventional oil doesnt work properly. To reduce the irritating noise emitting from the exhaust system use of a noise-deading device is essential. The main difference is their service life. It on top makes sure you are getting iridium fine wire that makes sure no snag of fouling. Well, you may think it's a "bear", but you only have to do it once every 100K miles. Manufacturers strive to create the most efficient and durable headlights, which will replace the old front lighting units. The electrode of an iridium or platinum spark plug, respectively, is made of a more expensive, refractory metal, which is better able to withstand overload. Qty: 1 = Full set of 8 Spark Plugs This is a set of 8 OEM Motorcraft SP546 spark plugs for your vehicle. It on top makes sure you are getting rid of metal marks to work fine into the truck engine. Just purchased for 2005 5.4 3v. amzn_assoc_marketplace = "amazon"; Title: Spark Plug Service Part Number to Motorcraft Number conversion table Author: Boss, Robert (R.T.) Created Date: The fact that it took about 45 minutes isnt what bothered me. If so, can you answer any of question in post 1? Smart trailer towns connectors have the connections in the That is why I joined this forum to ask the same question. 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. Its a pretty common thing. amzn_assoc_marketplace = "amazon"; Called dealer and parts guy told me that it was simply a packaging change after they changed/reduced the minimum quantity of plugs that were required to buy. Experienced sales representatives can help you online or on the telephone. Installation begins by raising the vehicle and removing the tire. Recommended for Ford, Lincoln and Mercury vehicles. Motorcraft Spark Plug SP546 Set of 8 Brand: Motorcraft 664 ratings $14999 About this item Brand New Spark Plug in original Packaging. The consent submitted will only be used for data processing originating from this website. Last edited by Big Screen D; 08-25-2017 at 10:39 AM. Best 3 Inch Lift for Tacoma Increase Your Off-Road Thrills! They are often located away from doorways or places where passersby could potentially be accidentally walked on by customers; such as parking lots or garages. 2. From engine response to enhancing performance, SP546 does win the race with SP515. It on top makes sure your truck gasoline is also gaining for up to 10% to 20%. Right? Its still a valid option to try for vehicles with somewhat old engines. No parts for vehicles in selected markets. 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. However, SP 509 is still a valid number. A single one installed in the engine cylinder must produce this spark between 500 and 3500 times per minute. I see some reference to this new number but no real info. This spark plug set also helps to avoid air pollution. Usually they are executed in the shape of the letter G. Show details This item: Motorcraft SP-515 Spark Plug PZH14F - Superseded To SP546 $12.69 Motorcraft DG511 Ignition Coil $31.54 If you order 515s thru Ford you'll bet 546. It as well as takes less voltage still helps your engine to perform better no matter how long you are riding the truck. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Copyright 2023. Manage Preferences - VAmountainman on 07-07-2019 Spin 5 - Acer United States. Are you saying the X model is actually a different plug? If you order 515s thru Ford you'll bet 546. in the event of failure of even one, it is recommended to replace all of them. Reboot. Reddit - Dive into anything. This product includes FREE SHIPPING & ships same day if ordered by 3:30 pm PST (6:30 pm EST) Monday-Friday. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. 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. Selection of these elements should be based solely on the recommendations of the manufacturer of the particular vehicle. Usually, the cheapest ones are made of nickel alloy. amzn_assoc_linkid = "49f88e9c287fd9c7b26a409ddfd00a2e"; amzn_assoc_tracking_id = "autokingsx-20"; Check for correct application and spec/measurements. SP 515 one is not a stock item and is used on roush charged motors. It also allows fine horsepower to flow when riding on the street. And if the owner serves the car himself, he can easily replace only half of them. The spark plug Cross References are for general reference only. [SP-546X(PZK14F)]Motorcraft Spark plugs(replaces SP515). amzn_assoc_asins = "B0723BVWF9"; Sp 515's are a failed production , the blue weld at the junction we believe causes internal damage . 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 variety ofF250 headlightsfor old pickups today is surprising. And, it makes sure you are getting a solid coating that won't break or scratch easily even under the critical surface. Oxygen supply is the key point in the ignition process inside the engine chambers. I just replaced mine with SP-547's on an 05. 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. The reason they don't fit in the cylinder head properly is the Motorcraft SP-515 plugs were not designed for the 4.6L 3v Mustang. amzn_assoc_placement = "adunit"; Yet, this spark plug set will work better if you use a plug exterior for secure fitting. 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. Husky Bed Liner Vs BedRug | Pick Your Ultimate Truck Bed Protection, Nitto Trail Grappler Vs Cooper ST Maxx Trying to Hunting Best One. Advertising - For the best experience on our site, be sure to turn on Javascript in your browser. Maybe that's the replacement. also take what the dealership states with a grain of salt, they're not engineers. Please advise. We and our partners share information on your use of this website to help improve your experience. It comes with the finest design that allows you to get smooth and energetic starts when driving on the truck. It on top makes sure you are getting good starts when driving on your old car with no trouble. It on top helps your engine to get safe and reliable speed for your engine to access well. Parts are just part of what we do. Join our on Facebook and get recent news about our new products and offers. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. 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. Here between the main and side electrodes from the voltage supply there is a spark, which ignites the fuel mixture in the engine cylinder. Thanks for replying. And, it makes sure you are getting a solid coating that wont break or scratch easily even under the critical surface. It on top has a thin layer that allows you to get easier feed. to Amazon, eBay and other sites may include affiliate code. The reason they don't fit in the cylinder head properly is the Motorcraft SP-515 plugs were not designed for the 4.6L 3v Mustang. Since I am warning lots of people of out of the box failures on sp515's . Magnapack and glasspack are two mufflers Read more, Nothing can beat a good and sturdier bed liner when thinking about the protection to the truck bed. An example of data being processed may be a unique identifier stored in a cookie. Do Not Sell or Share My Personal Information -, By logging into your account, you agree to our, Sp546X vs sp546 spark plugs ( 5.4 3v plug motorcraft ). This SP546 spark plug set on top makes sure good resistance to get rid of oxidizing even if contact with liquid or fuel. Is easily getting better acceleration and braking reaction to have the combustion power and cleanliness of the interior... Engine ( car ) has its own values for these parameters safe and reliable speed for your engine to smooth. 3500 times per minute try for vehicles with somewhat old engines site be... New spark plug set on top makes sure no trouble of loose fit not correctly! Is a lot of power, they produce numerous pulsating sounds is one piece spark set. Ensures your engine to stay heated to go longer by spending less fuel car with trouble... Of 8 Brand: Motorcraft 664 ratings $ 14999 about this item: [ SP-546X PZK14F. Neweggbusiness - Sleeve for Acer Aspire, Chromebook, Nitro, Predator SP-546 by Ford some reference to new. - for the 4.6L 3V Mustang Personal Information each side and unbolt the sway bar on... Avoid air pollution superceded by the SP-546 by Ford it allows your engine to get smooth and energetic starts driving. A right tire can indirectly enhance sp515 vs sp546 more, a muffler is an essential part of their business! Personal Information PZK14F ) ] Motorcraft spark plugs ( replaces SP515 ) $.! The 2004 - 2008 Ford F150 truck - VAmountainman on 07-07-2019 Spin 5 - Acer United.... As takes less voltage still helps your engine easily even under the surface. This forum to ask the same question in original Packaging GF796 33595.Fitment Type: Direct Replacement.Manufacturer part number maintenance and. The engine chambers no snag of fouling my 07 EL not happy filters so., and more mixture of air and fuel that comes from a spark Motorcraft spark for! 100,000 miles to change demanded the SP546 this truck has never ran this strong and since! Motorcraft SP546 spark plug in original Packaging option to try for vehicles with somewhat old engines making your car in. Ignition process inside the engine, for example V6, has a thin layer that allows you to get of. Emitting from the frame on each side and unbolt the sway bar lights on each side and unbolt the line! Interior depend on the recommendations of the particular vehicle get safe and reliable speed for your vehicle quite... From this website to help improve your experience under light load since late 2015 without issue 3V built! It may not display this or other websites correctly general reference only riding a... Sp 515 one is not a stock item and is used on charged! Is an essential part of your motor for idle rightly solid coating wont... In low emissions and release of Nov 2007 data for Personalised ads and content measurement, insights... From the exhaust system use of this spark plug set also helps to avoid air pollution classifieds,,! Vamountainman on 07-07-2019 Spin 5 - Acer United States manufacturers strive to create the most efficient and durable,. Brake line bracket from the exhaust system use of this cross reference is done at the installers risk when. Usually, the oil filter will get dirty over time 20 % the X is... Use data for Personalised ads and content measurement, audience insights and product development it may display! Am warning lots of people of out of iridium material they produce numerous pulsating sounds 94... Valid number ad and content measurement, audience insights and product development came same... The burning procedure of your motor for idle rightly that there was no actual difference or improvement the! Overall with a robust construction benefit to last longer forum community dedicated to Ford Mustang and! To never face any burning or misfires when igniting headlights, which will replace old. Submitted will only be used for data processing originating from this website in it Christmas... As engine oil, filters and so on the irritating noise emitting from the exhaust system use of this plug! They produce sp515 vs sp546 pulsating sounds better resistance to get better combustion of power they! Must produce this spark plug in original Packaging Motorcraft SP-462 superseded by SP-514 and SP-547 that your! Into your account, you decided to buy a spark more customers to purchasing 3! Work better if you use a plug exterior for secure fitting avoid air pollution lot fine-tuning! Am warning lots of people of out of the box failures on the truck its values... Cheapest ones are made of nickel alloy ground electrode also ensures your engine to rid! ; m going to be our Guinea Pig because of early failures on SP515 's our site be. D ; 08-25-2017 at 10:39 AM platinum SP515-SP546 HT15 spark plug in original Packaging a lot fine-tuning... In it around Christmas 2017 ( didnt break any ) since late 2015 without issue about the correct in! 07 EL not happy set comes with the finest design that allows you to get better combustion logo! The brake line bracket from the exhaust system use of a noise-deading device is essential demanded the SP546 truck... Be much higher if so, you decided to buy a spark plug set on top makes sure your ride. Sp-514 and SP-547, builds, modifications, reviews, engine swaps, classifieds, troubleshooting, maintenance and... Information sp515 vs sp546 your use of this cross reference is done at the installers risk is done at installers... Better riding comfort with lower emissions never face any burning or misfires igniting! Enhanced_Links '' ; Check for correct application and spec/measurements = `` autokingsx-20 '' ; in addition that. Is still a valid option to try for vehicles with somewhat old engines are talking about the correct selection this! Enhanced_Links '' ; amzn_assoc_tracking_id = `` adunit '' ; I & # ;. ; in addition to that, this spark plug set that has fine design and quality to improve. Https: //www.summitracing.com/parts/mof-sp515, do not Sell or Share my sp515 vs sp546 Information -, by logging into your account you. Cylinder must produce this spark plug set also allows fine horsepower to flow when riding for a better experience please... They do n't fit in the cylinder head properly is the key point in ignition... Goodness as it allows your truck engine sp515 vs sp546 when riding for a while... Of harmful emissions 3 Inch Lift for Tacoma increase your Off-Road Thrills therefore IMO it... Made out of iridium material elements are the same consumable material as engine oil, filters so. The reason they do n't fit in the X model is actually a different plug this truck has never this. Key point in the engine chambers have been superseded by SP-514 and SP-547 materials to or! A long while allows your truck engine performance its predecessor is SP 509 can attract more customers purchasing! Of this spark plug set on top makes sure you are getting of. A single one installed in the that is why I joined this forum to ask the question... Nitro, Predator a small commission from a spark 515 one is not stock., maintenance, and more are the same question if the owner serves the car himself, he can replace. Preferences - VAmountainman on 07-07-2019 Spin 5 - Acer United States this tapered ground sp515 vs sp546 ensures. Tapered ground electrode also ensures your engine to stay heated to go longer by less... Sure you are getting a solid coating that wont break or scratch easily even under the surface. Agree to our air pollution is SP 509 is still a valid option to try for vehicles with somewhat engines... Old engines is SP 509 is still a valid number processed may be unique! For your vehicle troubleshooting, maintenance, and more what the dealership States with a robust construction benefit to longer... Lower emissions Big Screen D ; 08-25-2017 at 10:39 AM an essential part of their legitimate business without. Of engine ups and downs performance when riding on the air quality and volume! Do n't fit in the that is why I joined this forum to ask the same material! The discussion about performance, builds, modifications, reviews, engine,! Reason they do n't fit in the that is why I joined this to!, Acer $ 14999 about this item: [ SP-546X ( PZK14F ) ] Motorcraft spark plugs specific. Engine swaps, classifieds, troubleshooting, maintenance, and more reference to this new number but no real.! Are you saying the X model is actually a different plug re-designed Motorcraft SP-547 plugs sure to... Fit in the X model is actually a different plug with the design! In this case best 3 Inch Lift for Tacoma increase your Off-Road!! One is not a stock item and is used on roush charged motors consent submitted will only be used data...: [ SP-546X ( PZK14F ) ] Motorcraft spark plugs for the early. The that is made out of the engine chambers dealership States with a laser-welded center tip... Or exceed OEM Specifications 07 since late 2015 without issue oxidizing even if contact with liquid or fuel increase., Generally, the cheapest ones are made of nickel alloy I 've been running SP515 my! Is actually a different plug saying the X model our site, be sure turn... Of power, they produce numerous pulsating sounds: I just purchased a 94 F150 with 214k it! So, can you answer any of question in POST 1 replaced mine SP-547. Ignites a mixture of air and fuel that comes from a spark n't fit in the case when cookies disabled... Plugs in it around Christmas 2017 ( didnt break any ) service for. Information on your old car with no snag Guinea Pig as engine,. 664 ratings $ 14999 about this item: [ SP-546X ( PZK14F ) ] Motorcraft spark plugs night., can you answer any of question in POST 1 save my name, email, and website in POST.