Pre-ignition is the ignition of fuel before the actual spark occurs, which causes a rapid temperature rise in the combustion chamber that can damage engine components and melt spark plug electrodes. Allow 6 to 8 weeks from promotion end date for delivery of Visa Prepaid Card. First, I want to let everyone know about a current AC Delco Rebate Promotion good for the entire 2014 year. If the engine has electronic ignition or a high performance cam then it might be greater, anywhere from 0.45 to 0.60″. With a copper core and double platinum pads on the center electrode, these plugs are designed to deliver long-lasting performance. Should I change all of my vehicle’s spark plugs at the same time? ACDelco Double Platinum Spark Plug 41-962. Limit two per household. When it comes to replacing your spark and glow plugs, ACDelco offers a full line of Professional premium aftermarket and Specialty spark and glow plug products. Yes, pre-ignition can cause serious damage to your engine. Read the box. Always check the latest AC plug book. Comments 0 Add to Shelf . The #R44LTSM would be the coolest of all, yet basic, still good? Trending at $33.99. ACDELCO RAPIDFIRE PERFORMANCE PLATINUM SPARK PLUGS. 7 year/Unlimited Mile Limited Warranty*: ACDelco offers a 7 year/Unlimited Mile limited warranty on GM OE (Professional) Double Platinum Spark Plugs. $28.99. It is okay to replace one spark plug if it is fouled or damaged prior to scheduled maintenance, provided the source of the damage is found and corrected. Delivery: Jan 07-08. ACDelco GM Original Equipment Double Platinum Spark Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. ACDelco Iridium Spark Plugs are the latest evolution in high-performance plug electrode material and are designed to last 100,000 miles. So to say the least I am confused of the gap and what I should do for these specific AC-Delco plugs. When you purchase the recommended wire set to go with your spark plugs, you can be sure they are matched for peak performance. * Iridium is one of the hardest materials used in spark plugs today, which allows for smaller, more efficient electrode designs for improved cold starting and quicker acceleration. Any suggestions on the difference. SKU # 1193. check if this fits your vehicle $ 8 49. First, I want to let everyone know about a current AC Delco Rebate Promotion good for the entire 2014 year. Dirty, fouled spark plugs may also have broken or chipped insulator tips, worn electrodes, or worn or missing side wires. I purchased 8 of these AC Delco 41-803 Double Platinum Spark Plugs for my 1990 Chevy C1500 pick up truck, which has 5.7 Liter (350) engine. Premium aftermarket plugs, and a high quality replacement ideal for many vehicles on the road today. The NGK 6619 Iridium IX Spark Plugs snags the top pick in our spark plug comparison because they offer the best mix of high-performance, fuel efficiency, durability, and dependability. If you want to restore the original performance of your vehicle's ignition system, this product is what you need. They can maintain stable operating temperatures under varying loads. Platinum spark plugs come in two varieties - single and double platinum. Mail-in rebate available to retail customers with a U.S. mailing address only. Probably 0.35″ for a carbureted engine. There is no such thing as a "pre gapped" spark plug when AC kicks out over a couple hundred thousand an hour in production. Home Delivery. What’s more, this set comes as a pack of eight, allowing you to fully replace the spark plugs in your engine, or have some lying around for spares. I checked the gap setting on all of them, and they were all perfect at .040 which is the recommended gap … They work well and provide a smooth idle on an engine with 244K miles. Slide 1 of 1. Locate which ACDelco spark plug matches you. Stick a wire gauge and see for yourself. If an email was not automatically created for you, please copy the information below and paste it into an email: The premium Pro 50 GB plan gives you the option to download a copy of your As such, iridium tips can be made much thinner than platinum to concentrate the spark energy without melting. Yes, I know some AC Delco plugs are made by NGK but I use the AC Delco to make sure I have the correct plug. Effective on parts purchased April 1, 2018 and later to the original retail purchaser. They work well and provide a smooth idle on an engine with 244K miles. • The new spark plug, P/N 12571164 with AC Delco P/N 41-985, is gapped to 1.01 mm (0.040 in) when the spark plug is made. I want to also grab a set of ac delco plugs. After installing these spark plugs my truck runs a lot smoother. See cross reference chart for AC Delco 41-932 and more than 80.000 other spark plugs. # Maintenance needs vary with different uses and conditions. If necessary, use a spark plug boot removing tool. SELECT STORE. The new spark plug, P/N 12571164 with AC Delco P/N 41-985, is gapped to 1.01mm (0.040 inches) when the spark plug is made. I bought the 41962 plugs that were recommended to the year and model and they come as .040 pre-gapped. Choose professional spark plugs, iridium, double platinum. Asked by Visitor in El Cerrito, CA on . When I replace my spark plugs, should I also replace my spark plug wires? ACDelco GM Original Equipment Double Platinum Spark Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. 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. Not always, but you should inspect your spark plug wires for wear when replacing your spark plugs. See acdelco.com or gmpartsrebates.com for details and rebate form, which must be postmarked by 7/31/21. 7 year/Unlimited Mile Limited Warranty*: ACDelco offers a 7 year/Unlimited Mile limited warranty on GM OE (Professional) Double Platinum Spark Plugs. Whether you’re DIY or visiting an ACDelco Service Center, take advantage of ACDelco offers and promotions. Please enable javascript in your browser. Refer to your vehicle owner’s manual or contact the manufacturer for more information. Professional™ Double Platinum Spark Plug by ACDelco®. ACDelco Specialty Marine Spark Plugs are everyday replacement plugs designed for reliability and efficient performance in jet boats, inboards, outboards, and personal watercraft. ADD TO CART. #41-110 (ACDelco Professional Iridium Spark Plug) #41-962 (ACDelco Professional Platinum Spark Plug) #R44LTSM (ACDelco Spark Plug) Question, would #41-110 be in between or regular and Platinum? 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. ACDelco Iridium Spark Plugs are the latest evolution in high-performance plug electrode material and are designed to last 100,000 miles. I've seen a 41-103 iridium on the thread and it is an option according to the parts guy. ACDelco MR43T Marine Spark Plug. Remove each spark plug and place each one in a tray by cylinder number. ACDELCO Ignition : Spark Plug Auto Parts ALL THE PARTS YOUR CAR WILL EVER NEED Show Prices In US Dollars ($) Australian Dollars (AU$) Brazilian Real (R$) Canadian Dollars (CAD$) Swiss Francs (CHF) Euros (€) British Pounds (£) Japanese Yen (¥) Mexican … Search: Sign Up Log In; Table of Contents. ... 2006-2010 Hummer H3 Spark Plug - AC Delco By AC Delco USD $12.00. Limit 15 rebates per part per business. What is pre-ignition and can it damage my engine? ACDelco. ACDelco. Standard Delivery. Slide 1 of 1. 41-950 was for the pre-2000 Northstar. When ACDelco spark plugs are manufactured, they are pre-gapped to the correct gap specification. Yes. ACDelco MR43T Marine Spark Plug. Optimizing the Plugs. These conditions severely affect spark plug performance. Visa Prepaid Card will be issued in the business name. He also said that he suggested a 41-834 platinum plug and that's what oem calls for. It will provide real value for the money and deliver high-quality performance in your 5.3L engine. Contact seller for limited … Yes. But as for the gap on Iridium plugs, I find the vast majority 75%+ are not at the .040 gap as claimed. DO NOT grab or violently pull spark plug cables. Also, the spark plug gap should never exceed .055" unless pre-set by the manufacturer. Not available with some other offers. Find many great new & used options and get the best deals for Spark Plug-Platinum Power Champion Spark Plug 3344 at the best online prices at eBay! Pinch with 2 fingers to zoom. Bring your vehicle to a GM Dealership or an ACDelco Service Center for maintenance. Yes, this interval depends on what type of spark plug your vehicle requires. My 2002 owner's manual gives the DENSO plug number, not the AC Delco 41-987. With a copper core and double platinum pads on the center electrode, these plugs are designed to deliver long-lasting performance. Due to the different tip design, the gap of the spark plug has also changed. 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