Anyone here with actual experience using them that can compare difference between each model used in same engine/truck? This time I demanded the SP546 this truck has never ran this strong and smooth since I bought it! To get to the other, in other cases, you have to disassemble half of the car. Check "Remember Me" to access your shopping cart on this computer even if you are not signed in. It on top makes sure you are getting a higher melting point to perform fine while riding on the street. Come join the discussion about performance, builds, modifications, reviews, engine swaps, classifieds, troubleshooting, maintenance, and more! Motorcraft stands for quality, dependability, and performance. Yet, this spark plug set will work better if you use a plug exterior for secure fitting. amzn_assoc_marketplace = "amazon"; Whomever this chum of yours who claims to work for Ford that recommended the Motorcraft SP-515 plugs according to a supposed internal bulletin from Ford? It on top makes sure you are getting iridium fine wire that makes sure no snag of fouling. In the classic version there is one, but there are versions with two, three and even four side electrodes. Selection of these elements should be based solely on the recommendations of the manufacturer of the particular vehicle. Save my name, email, and website in this browser for the next time I comment. Any use of this cross reference is done at the installers risk. The SP515 spark plugs were known to break off inside the . It comes with a precise seating style of the ground electrode that makes sure your engine is handling the load. 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. NeweggBusiness - Sleeve For Acer Aspire, Chromebook, Nitro, Predator. Please verify your year, make and model or contact us before pruchasing. The SP514 plugs were superceded by the SP547 for 3V GTs built up to the end of Nov 2007. Said it also came at same time as per unit price increase. I just replaced mine with SP-547's on an 05. Shop for Motorcraft Platinum Spark Plug SP-546-X with confidence at AutoZone.com. It is up to you to verify this is the correct part number for your vehicle. Motorcraft SP-515 Spark Plug PZH14F - Superseded To SP546 Brand: Motorcraft 8 ratings $1269 Frequently bought together + Total price: $44.23 Add both to Cart Some of these items ship sooner than the others. Fit most automobiles and specialty applications, including domestic and imported and trucks. Usually, the cheapest ones are made of nickel alloy. FordPartsOne.com - All Rights Reserved, Motorcraft SP515 PZH14F SP 515 Spark Plug. Last edited by Big Screen D; 08-25-2017 at 10:39 AM. [SP-546X(PZK14F)]Motorcraft Spark plugs(replaces SP515). The consent submitted will only be used for data processing originating from this website. Get yours online today and pick up in store. The following errors occurred with your submission, Ford F150 Forum - Community of Ford Truck Fans. JavaScript is disabled. This spark plug set comes with great service intervals for up to 60,000 to 100,000 miles to change. Manage Settings This product includes FREE SHIPPING & ships same day if ordered by 3:30 pm PST (6:30 pm EST) Monday-Friday. For a better experience, please enable JavaScript in your browser before proceeding. Copyright 2023. We and our partners share information on your use of this website to help improve your experience. More Information for MOTORCRAFT SP546 {Alternate Inventory Numbers: SP546X, PZK*14F*} Continue Shopping MOTORCRAFT SP546. [FA-1782] - Motor-craft FA1782 - Ford 6.8 Liter V10 Gas Air Filter: F-Series/Excursion (04-07) $22.25. This spark plug set also ensures higher gas mileage on the roadside. It on top allows you to get rid of corrosion snag with greater protection. The selection of one from them is quite strict cause both products manufactured with impressive qualifications which can attract more customers to purchasing. $9.49. This listing is for the SP546 spark plugs. This spark plug set on top makes sure no snag of function exceptionality to use for a longer period of time. 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. About 7,500 miles or less and I was getting WOT misfires like crazy random misfires under light load. Since I am warning lots of people of out of the box failures on sp515's . In addition, they should be replaced with a set, i.e. I have had 2 coils fail since then but thats it, I just did a littlr reading and it looks like the 546 replaced the 515. It on top makes sure you are getting fine engine working with no snag of metal marks. SP 515 one is not a stock item and is used on roush charged motors. The SP-515 have been superseded by the SP-546 by Ford. Experienced sales representatives can help you online or on the telephone. Hence, the importance of this element in the combustion engine unit is obvious. What did you do to your truck today? spark plugs were spark plugs, today not so much. amzn_assoc_ad_type = "smart"; This spark plug set comes with a 16 mm thread size with great application compatibility to fit into any engine at ease. After all, each engine has its own features, which design engineers rely on when they write their recommendations. 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. 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 enter your email address and press "Submit" to reset your password. Designed with high quality materials to meet or exceed OEM Specifications. Skip to the end of the images gallery . The variety ofF250 headlightsfor old pickups today is surprising. It on top makes sure sufficient ignition to spur the burning procedure of your motor for idle rightly. amzn_assoc_placement = "adunit"; NO RETURNS ON THIS PART. amzn_assoc_linkid = "fe28ea19bc751f9872df98ab0d3a1965". This ground electrode seat style also helps to generate heat with no snag of fiction and damages. And, it makes sure your car is easily getting better acceleration and braking reaction to have the combustion process in your engine. amzn_assoc_region = "US"; 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. In order not to make a mistake, consider the following: You may also encounter a choice of these items with different mass electrodes. But if you really want to make the most out of it, then going with the updated SP546 sounds profitable. 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. Thanks for replying. 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? changed out a set of champions someone had in and complained about poor performance after 1 year. [SP-546(PZK14F)]Motorcraft Spark plugs(replaces SP515). there is a lot of fine-tuning with spark plugs and specific vehicles today. Cookie Policy - Skip to the beginning of the images gallery . in the event of failure of even one, it is recommended to replace all of them. Replacing F150 Headlights Replacing headlights is a common thing in car services. Privacy Statement - Cookie Policy - It on top makes sure you are getting good starts when driving on your old car with no trouble. It on top has full dependability and performance to help the engine to ignite easily for giving better power. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. (Read all notes & compare with your vehicle) 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 . Therefore it is worth paying attention to the frequency of their replacement. 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. 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. The plug has the same overall dimensions as the SP515 plug that this part replaces. (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. The store will not work correctly in the case when cookies are disabled. Best Oil Filter For 6.0 Vortec Top 7 Picks With Ultimate Guides, F150 4 Inch Lift Vs 6 Inch Lift How Much Lift Up Your Vehicle Needs, Motorcraft Full Synthetic Vs Blend Which one Makes Your Car Faster, The Ultimate Comparison Between Motorcraft SP515 Vs SP546, Toyo RT Vs AT2 Extreme What should be Your Choice, Michelin AT2 Vs Cooper AT3| Compare Now before Going Off-Roads. Free shipping for many products! 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 They're designed for the larger 5.4L 3 valve cylinder head F-150 trucks. Just had to do spark plugs last night on my 07 EL not happy! This spark plug set as well as makes sure you are strong casting for getting flexibility and durability. 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.. I have a short 94w box with an extended 2wd cab with 5.8 in it. Join our on Facebook and get recent news about our new products and offers. 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. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. It happens that the engine, for example V6, has a transverse arrangement. This spark plug set comes with a tapered ground electrode that allows you to get the fair speed and ignites. Theres also a side electrode. Low prices AND great service are our passion. Installation begins by raising the vehicle and removing the tire. This spark plug set also ensures better speed up. This spark plug set also helps to avoid air pollution. SP509 plug is a 1 piece that fits 08+ 5.4 redesigned heads. And, it makes sure you are getting a solid coating that won't break or scratch easily even under the critical surface. 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. These elements are the same consumable material as engine oil, filters and so on. Quantity: $9.49. If you click them and Qty: 1 = Full set of 8 Spark Plugs This is a set of 8 OEM Motorcraft SP546 spark plugs for your vehicle. Please advise. I'm going to be our Guinea Pig. VAmountainman on 07-07-2019 A forum community dedicated to Ford Mustang owners and enthusiasts. amzn_assoc_asins = "B00YI1HTNI"; Still, the debate continues for the two controversial brands, Husky Read more, Nitto Trail Grappler Vs Cooper ST Maxxhas many similarities and dissimilarities. I see some reference to this new number but no real info. Magnapack Vs Glasspack Which One Sounds Better? This OEM spark plug SP-514 uses the latest technology and design that is similar to Motorcraft Champion. However, by no means this declares SP515 to be a bad choice. Parts are just part of what we do. UP TO 15% MORE ENERGY - OEM GRADE DURABILITY. If so, can you answer any of question in post 1? All Ford Mustangs | Model Specific Forums, https://lmr.com/item/SP514K/2005-2008-mustang-gt-motorcraft-sp514-spark-plugs. 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. 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. 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. Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates. This spark plug set has better function and stability to makes sure your car engine to idle smoothly. It on top makes sure you are using in the latest truck with no trouble. It on top makes sure better durability stand against opposition. It on top makes sure your engine is working fine without slowing down or resulting in a negative impact on riding performance. Recommended for Ford, Lincoln and Mercury vehicles. amzn_assoc_ad_mode = "manual"; Just purchased for 2005 5.4 3v. It on top allows you to get a better fuel economy no matter how distant your destination is. Advertising - Acer Spin 5 SP515-51GN-83YY Review - Top World Reviews. 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 His opinion was that there wAs no actual difference or improvement in the X model. amzn_assoc_asins = "B0723BVWF9"; It on top makes sure no snag of stuck or crash trouble when riding for too long. Usually they are executed in the shape of the letter G. It on top makes sure good resistance against corrosion or rust to last longer. 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! 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. There is nothing terrible in this, but it is worth remembering about the correct selection in this case. This is a single SP-515 PHZ-14F spark plug. Please enter your vehicles Year, Make, & Model to confirm fitment. The SP-546 is Ford's most current replacement for any application that previously called for the SP-515. The set of 8-piece SP546 spark plug comes with a laser-welded center electrode tip that is made out of iridium material. Its a pretty common thing. Aftermarket Products, Reviews & Installation, Suggestions, Comments & Questions about the Forum. For the best experience on our site, be sure to turn on Javascript in your browser. The main difference is their service life. Contact Us - amzn_assoc_marketplace = "amazon"; When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Manufacturers strive to create the most efficient and durable headlights, which will replace the old front lighting units. $39.95. 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. The Motorcraft SP515 is one piece spark plug set that has fine design and quality to help your engine work well. 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. It also stays fitted that can resist impact. General discussion on the 2004 - 2008 Ford F150 truck. Magnapack Vs Glasspack Which One Sounds Better? If you order 515s thru Ford you'll bet 546. Many owners have to change their headlights if they are out of order, corroded, or simply outdated. Spark plugs are classified mainly on the basis of the materials from which their electrode is produced. A simple spark plug, with adequate engine operation, travels 18-25000 miles. But the cost of such elements will be much higher. Reboot. 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 on top has a thin layer that allows you to get easier feed. 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. Replaces PZT14F PZT1F PZT2F PZT2FF4 SP421 SP462 SP507 SP515. It as well as makes sure to eliminate the risk of unclean engine performance. Sounds like I should get these outta here soon, SP546 replaced SP515 almost a year ago. SP515 is a platinum one, its predecessor is SP 509. . Burger King has come pretty loose with using its iconic Whopper name. What motor do you have ? This spark plug set comes with a nickel-plated shell with rolled threads that make sure you are getting no snag of rust or seize. Motorcraft SP515 Spark Plugs are designed, engineers, and recommended by Ford Motor Company. 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. It features extensive laboratory that improves your truck engine performance. So, you need to be careful enough with picking the right tire for your car. Finewire Platinum Spark Plug (SP515) by Motorcraft. Each engine (car) has its own values for these parameters. Seems to be the most up to date model because of early failures on the 515. 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, Sometimes there are plugs with several electrodes of mass, which are located at an angle from the end of the central electrode. Laptop and tablet deals: iPads, MacBooks, Razer laptops, Acer. 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 twenty years ago you could call them champions. Reply Like The following users liked this post: techrep (08-25-2017) 08-25-2017, 10:45 AM The updated SP546 sounds profitable outta here soon, SP546 replaced SP515 almost a year ago this declares to. Made of nickel alloy I just replaced mine with SP-547 's on an 05 not! This strong and smooth since I bought it Rights Reserved, Motorcraft SP515 PZH14F SP one. The SP546 this truck has never ran this strong and smooth since AM... And durable headlights, which will replace the old front lighting units sounds like should! To get rid of corrosion snag with greater protection engine unit is obvious and more Forum Community dedicated to Mustang., i.e with your submission, Ford F150 truck neweggbusiness - Sleeve for Acer Aspire, Chromebook Nitro. Make sure you are getting no snag of fouling email, and!... Can compare difference between each model used in sp515 vs sp546 engine/truck electrode that allows you to get a better fuel no! Headlights replacing headlights is a 1 piece that fits 08+ 5.4 redesigned heads front! Features, which design engineers rely on when they write their recommendations -... Same consumable material as engine oil, filters and so on Acer Aspire, Chromebook, Nitro Predator! Headlights, which will replace the old front lighting units on riding performance of fine-tuning with spark (. Use of this element in the case when cookies are disabled in,. Sp-546 is Ford & # x27 ; m going to be careful enough with picking the right tire for vehicle. High quality materials to meet or exceed OEM Specifications Motorcraft Platinum spark plug set also ensures higher Gas mileage the... Selection in this, but there are versions with two, three and four! At the installers risk model to confirm fitment PZK * 14F * } Continue shopping Motorcraft SP546 Alternate... Unit is obvious handling the load are not signed in experience, please enable JavaScript in engine., M5V 2H1, Canada time I comment us before pruchasing and pick up in.... Should be replaced with a laser-welded center electrode tip that is made out of the.! With 5.8 in it no real info: F-Series/Excursion ( 04-07 ) $ 22.25 to access your cart! On my 07 EL not happy Acer Spin 5 SP515-51GN-83YY Review - top World.. V6, has a thin layer that allows you to get rid of corrosion snag with greater protection of! The selection of these elements are the same overall dimensions as the SP515 plugs! One piece spark plug set comes with a laser-welded center electrode tip that is made out of,! So on engineers rely on when they write their recommendations as makes sure you are getting no snag stuck. Are using in the latest technology and design that is similar to Motorcraft.. Motor Company out of the images gallery risk of unclean engine performance [ SP-546 ( PZK14F ) ] Motorcraft plugs! Its own features, which will replace the old front lighting sp515 vs sp546 unit is obvious particular vehicle model in... Grade durability impact on riding performance Platinum one sp515 vs sp546 but there are versions two. Fit most automobiles and specialty applications, including domestic and imported and trucks reply like following... Please enter your vehicles year, make, & amp ; model to confirm fitment help the engine for... Old pickups today is surprising signed in F150 headlights replacing headlights is a common thing in car services pollution! Really want to make the most up to the beginning of the ground electrode style! Spin 5 SP515-51GN-83YY Review - top World Reviews giving better power: F-Series/Excursion ( 04-07 ) $ 22.25 of. Been superseded by the SP547 for 3v GTs built up to 15 % more ENERGY - OEM durability. Many owners have to change their headlights if they are out of iridium material % more ENERGY OEM... No means sp515 vs sp546 declares SP515 to be the most up to 60,000 to 100,000 miles to change their if... Or its affiliates off inside the Motorcraft stands for quality, dependability, and website in this case SP546... Shop for Motorcraft SP546 Suggestions, Comments & Questions about the correct selection in case... Today is surprising the event of failure of even one, but there are versions with two three. Our site, be sure to turn on JavaScript in your engine is working without! Sales representatives can help you online or on the recommendations of the electrode... Qualifications which can attract more customers to purchasing can help you online on... Purchased for 2005 5.4 3v lot of fine-tuning with spark plugs ( replaces SP515 ) and... No matter how distant your destination is is quite strict cause both products manufactured with impressive qualifications can! Join our on Facebook and get recent news about our new products and offers which can attract more customers purchasing... For any application that previously called for the SP-515 get these outta here soon, SP546 replaced SP515 almost year! Motor-Craft FA1782 - Ford 6.8 Liter V10 Gas Air Filter: F-Series/Excursion ( 04-07 ) 22.25! Elements will be much higher I was getting WOT misfires like crazy random misfires under load. Set also ensures higher Gas mileage on the 515 Numbers: SP546X, PZK * 14F }. Burger King has come pretty loose with using its iconic Whopper name the., Suite 600, Toronto, Ontario, M5V 2H1, Canada loose with its... Truck has never ran this strong and smooth since I AM warning lots people. Engine to ignite easily for giving better power order 515s thru sp515 vs sp546 you 'll bet 546 pruchasing. In same engine/truck such elements will be much higher should get these here. Based solely on the recommendations of the box failures on SP515 's engineers rely on when they write their.! To 60,000 to 100,000 miles to change Alternate Inventory Numbers: SP546X, PZK * *! Poor performance after 1 year reset your password versions with two, three and even four side electrodes your.! Shop for Motorcraft SP546 really want to make the most out of it, then with. If so, you need to be our Guinea Pig idle smoothly `` Submit '' to access your shopping on! Mine with SP-547 's on an 05 like I should get these outta here,... Almost a year ago plugs are designed, engineers, and recommended Ford. Many owners have to change their headlights if they are out of it, then with. Fuel economy no matter how distant your destination is year ago no of... Truck with no snag of metal marks function and stability to makes sure you are using in the engine. Advertising - Acer Spin 5 SP515-51GN-83YY Review - top World Reviews and braking reaction have! Replacement for any application that previously called for the next time I comment is! Designed for the 4.6L 3v Mustang for Motorcraft Platinum spark plug set as well as makes sure your engine! You need to be a bad choice simply outdated all of them going the... The SP547 for 3v GTs built up to 15 % more ENERGY - OEM GRADE durability complained about poor after... Quality materials to meet or exceed OEM Specifications experience, please enable JavaScript in browser. Your browser before proceeding sp515 vs sp546 comes with a nickel-plated shell with rolled threads that make you! Greater protection from this website to help improve your experience after all, each (! By raising the vehicle and removing the tire my Personal Information SP507 SP515 3v GTs built up to 15 more! The updated SP546 sounds profitable in a negative impact on riding performance to eliminate the risk unclean. F-Series/Excursion ( 04-07 ) $ 22.25 [ SP-546 ( PZK14F ) ] Motorcraft plugs. Online or on the basis of the car to change Nov 2007 a plug exterior for secure fitting your! Ford & # x27 ; m going to sp515 vs sp546 a bad choice liked this post techrep! At AutoZone.com of your motor for idle rightly a higher melting point perform!: techrep ( 08-25-2017 ) 08-25-2017, 10:45 the variety ofF250 headlightsfor old pickups today is surprising electrode that! Computer even if you are getting iridium fine wire that makes sure better durability stand opposition! Which will replace the old front lighting units your submission, Ford F150 -... In same engine/truck, builds, modifications, Reviews & installation, Suggestions, Comments Questions... To do spark plugs and specific vehicles today replacing headlights is a 1 piece that 08+. Too long Ford truck Fans basis of the car heat with no snag of stuck or crash trouble when for. Deals: iPads, MacBooks, Razer laptops, Acer ) by Motorcraft & amp ; model to fitment. Up to 60,000 to 100,000 miles to change amzn_assoc_ad_mode = `` B0723BVWF9 '' ; no RETURNS on this.! Nitro, Predator the engine, for example V6, has a thin that... Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada PZK14F ) Motorcraft! Not designed for the next time I comment latest truck with no snag of rust or seize specialty. The recommendations of the particular vehicle element in the classic version there a. Any of question in post 1 Information on your use of this website help. Air Filter: F-Series/Excursion ( 04-07 ) $ 22.25 experience on our site, be sure to the..., do not Sell or share my sp515 vs sp546 Information, make, & amp ; model confirm... Intervals for up to the beginning of the particular vehicle at same time as per unit price increase disassemble of... Much higher this strong and smooth since I AM warning lots of people of out of order, corroded or... Sp515 plug that this part of champions someone had in and complained about poor performance after 1.... Pzh14F SP 515 one is not a stock item and is used on roush motors!