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Spark Plug

PART#: R44LTSM6
ACDelco
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Spark Plug

$1.82

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In stock

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Interchanges
BrandPart #
Genuine GM Parts5614281
Genuine GM Parts19302728
Fitments
YearMakeModelSubmodelEngineFuel TypePositionNote
2007ChevroletSilverado 2500 HD ClassicLT8.1V8GASGap .060
2007ChevroletSilverado 2500 HD ClassicLS8.1V8GASGap .060
2007ChevroletSilverado 2500 HD ClassicWT8.1V8GASGap .060
2006ChevroletSuburban 2500LT8.1V8GASGap .060
2006ChevroletSuburban 2500LS8.1V8GASGap .060
2006ChevroletSilverado 2500 HDWT8.1V8GASGap .060
2006ChevroletSilverado 2500 HDLS8.1V8GASGap .060
2006ChevroletSilverado 2500 HDLT8.1V8GASGap .060
2006ChevroletSilverado 3500WT8.1V8GASGap .060
2006ChevroletSilverado 3500LS8.1V8GASGap .060
2006ChevroletSilverado 3500LT8.1V8GASGap .060
2006ChevroletAvalanche 2500LT8.1V8GASGap .060
2006ChevroletAvalanche 2500LS8.1V8GASGap .060
2006GMCYukon XL 2500SLT8.1V8GASGap .060
2006GMCYukon XL 2500SLE8.1V8GASGap .060
2006GMCSierra 2500 HDSL8.1V8GASGap .060
2006GMCSierra 2500 HDSLT8.1V8GASGap .060
2006GMCSierra 2500 HDWT8.1V8GASGap .060
2006GMCSierra 2500 HDSLE8.1V8GASGap .060
2006GMCSierra 3500SL8.1V8GASGap .060
2006GMCSierra 3500SLT8.1V8GASGap .060
2006GMCSierra 3500WT8.1V8GASGap .060
2006GMCSierra 3500SLE8.1V8GASGap .060
2005ChevroletAvalanche 2500LT8.1V8GASGap .060
2005ChevroletAvalanche 2500LS8.1V8GASGap .060
2005ChevroletSilverado 2500 HDLT8.1V8GASGap .060
2005ChevroletSilverado 2500 HDLS8.1V8GASGap .060
2005ChevroletSilverado 2500 HDBase8.1V8GASGap .060
2005ChevroletSilverado 2500 HDWT8.1V8GASGap .060
2005ChevroletSilverado 3500Base8.1V8GASGap .060
2005ChevroletSilverado 3500LS8.1V8GASGap .060
2005ChevroletSilverado 3500LT8.1V8GASGap .060
2005ChevroletSuburban 2500LT8.1V8GASGap .060
2005ChevroletSuburban 2500LS8.1V8GASGap .060
2005GMCSierra 2500 HDSLT8.1V8GASGap .060
2005GMCSierra 2500 HDBase8.1V8GASGap .060
2005GMCSierra 2500 HDWT8.1V8GASGap .060
2005GMCSierra 2500 HDSLE8.1V8GASGap .060
2005GMCSierra 3500SLT8.1V8GASGap .060
2005GMCSierra 3500WT8.1V8GASGap .060
2005GMCSierra 3500SLE8.1V8GASGap .060
2005GMCSierra 3500Base8.1V8GASGap .060
2005GMCYukon XL 2500SLT8.1V8GASGap .060
2005GMCYukon XL 2500SLE8.1V8GASGap .060
2004ChevroletAvalanche 2500Base8.1V8GASGap .060
2004ChevroletSilverado 2500 HDWT8.1V8GASGap .060
2004ChevroletSilverado 2500 HDLS8.1V8GASGap .060
2004ChevroletSilverado 2500 HDBase8.1V8GASGap .060
2004ChevroletSilverado 2500 HDLT8.1V8GASGap .060
2004ChevroletSilverado 3500Base8.1V8GASGap .060
2004ChevroletSilverado 3500WT8.1V8GASGap .060
2004ChevroletSilverado 3500LT8.1V8GASGap .060
2004ChevroletSilverado 3500LS8.1V8GASGap .060
2004ChevroletSuburban 2500LS8.1V8GASGap .060
2004ChevroletSuburban 2500LT8.1V8GASGap .060
2004GMCSierra 2500 HDSLT8.1V8GASGap .060
2004GMCSierra 2500 HDSLE8.1V8GASGap .060
2004GMCSierra 2500 HDBase8.1V8GASGap .060
2004GMCSierra 2500 HDWT8.1V8GASGap .060
2004GMCSierra 3500Base8.1V8GASGap .060
2004GMCSierra 3500SLE8.1V8GASGap .060
2004GMCSierra 3500SLT8.1V8GASGap .060
2004GMCSierra 3500WT8.1V8GASGap .060
2004GMCYukon XL 2500SLT8.1V8GASGap .060
2004GMCYukon XL 2500SLE8.1V8GASGap .060
2003ChevroletAvalanche 2500Base8.1V8GASGap .060
2003ChevroletSilverado 2500 HDLT8.1V8GASGap .060
2003ChevroletSilverado 2500 HDBase8.1V8GASGap .060
2003ChevroletSilverado 2500 HDLS8.1V8GASGap .060
2003ChevroletSilverado 3500Base8.1V8GASGap .060
2003ChevroletSilverado 3500LT8.1V8GASGap .060
2003ChevroletSilverado 3500LS8.1V8GASGap .060
2003ChevroletSuburban 2500LS8.1V8GASGap .060
2003ChevroletSuburban 2500LT8.1V8GASGap .060
2003GMCSierra 2500 HDSLT8.1V8GASGap .060
2003GMCSierra 2500 HDSLE8.1V8GASGap .060
2003GMCSierra 2500 HDWT8.1V8GASGap .060
2003GMCSierra 2500 HDBase8.1V8GASGap .060
2003GMCSierra 3500Base8.1V8GASGap .060
2003GMCSierra 3500SLT8.1V8GASGap .060
2003GMCSierra 3500SLE8.1V8GASGap .060
2003GMCYukon XL 2500SLE8.1V8GASGap .060
2003GMCYukon XL 2500SLT8.1V8GASGap .060
2002ChevroletAvalanche 2500Base8.1V8GASGap .060
2002ChevroletExpress 3500Base8.1V8GASGap .060
2002ChevroletExpress 3500LS8.1V8GASGap .060
2002ChevroletSilverado 2500 HDBase8.1V8GASGap .060
2002ChevroletSilverado 2500 HDLS8.1V8GASGap .060
2002ChevroletSilverado 2500 HDLT8.1V8GASGap .060
2002ChevroletSilverado 3500LS8.1V8GASGap .060
2002ChevroletSilverado 3500LT8.1V8GASGap .060
2002ChevroletSilverado 3500Base8.1V8GASGap .060
2002ChevroletSuburban 2500LT8.1V8GASGap .060
2002ChevroletSuburban 2500LS8.1V8GASGap .060
2002GMCSavana 3500Base8.1V8GASGap .060
2002GMCSavana 3500SLT8.1V8GASGap .060
2002GMCSierra 2500 HDSLE8.1V8GASGap .060
2002GMCSierra 2500 HDSLT8.1V8GASGap .060
2002GMCSierra 2500 HDBase8.1V8GASGap .060
2002GMCSierra 2500 HDSL8.1V8GASGap .060
2002GMCSierra 3500Base8.1V8GASGap .060
2002GMCSierra 3500SLE8.1V8GASGap .060
2002GMCSierra 3500SL8.1V8GASGap .060
2002GMCSierra 3500SLT8.1V8GASGap .060
2002GMCYukon XL 2500SLT8.1V8GASGap .060
2002GMCYukon XL 2500SLE8.1V8GASGap .060
2001ChevroletExpress 3500LS8.1V8GASGap .060
2001ChevroletExpress 3500Base8.1V8GASGap .060
2001ChevroletSilverado 2500 HDBase8.1V8GASGap .060
2001ChevroletSilverado 2500 HDLS8.1V8GASGap .060
2001ChevroletSilverado 2500 HDLT8.1V8GASGap .060
2001ChevroletSilverado 3500LT8.1V8GASGap .060
2001ChevroletSilverado 3500Base8.1V8GASGap .060
2001ChevroletSilverado 3500LS8.1V8GASGap .060
2001ChevroletSuburban 2500LS8.1V8GASGap .060
2001ChevroletSuburban 2500LT8.1V8GASGap .060
2001ChevroletSuburban 2500Base8.1V8GASGap .060
2001GMCSavana 3500Base8.1V8GASGap .060
2001GMCSavana 3500SLT8.1V8GASGap .060
2001GMCSierra 2500 HDSLT8.1V8GASGap .060
2001GMCSierra 2500 HDSLE8.1V8GASGap .060
2001GMCSierra 2500 HDSL8.1V8GASGap .060
2001GMCSierra 3500SL8.1V8GASGap .060
2001GMCSierra 3500SLT8.1V8GASGap .060
2001GMCSierra 3500SLE8.1V8GASGap .060
2001GMCYukon XL 2500SLE8.1V8GASGap .060
2001GMCYukon XL 2500SLT8.1V8GASGap .060
1997ChevroletS10LS2.2L4GASGap .060
1997ChevroletS10Base2.2L4GASGap .060
1997GMCSonomaSLS2.2L4GASGap .060
1997GMCSonomaSLE2.2L4GASGap .060
1997GMCSonomaSL2.2L4GASGap .060
1996IsuzuHombreS2.2L4GASGap .060
1996IsuzuHombreXS2.2L4GASGap .060
1996BuickCenturyLimited2.2L4GASGap .060
1996BuickCenturySpecial2.2L4GASGap .060
1996ChevroletBerettaBase2.2L4GASGap .060
1996ChevroletCavalierBase2.2L4GASGap .060
1996ChevroletCavalierLS2.2L4GASGap .060
1996ChevroletCorsicaBase2.2L4GASGap .060
1996ChevroletS10LS2.2L4GASGap .060
1996ChevroletS10Base2.2L4GASGap .060
1996GMCSonomaSL2.2L4GASGap .060
1996GMCSonomaSLS2.2L4GASGap .060
1996GMCSonomaSLE2.2L4GASGap .060
1996OldsmobileCutlass CieraBase2.2L4GASGap .060
1996PontiacSunfireSE2.2L4GASGap .060
1995BuickCenturySpecial3.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82;
1995BuickCenturyCustom2.2L4GASGap .060
1995BuickCenturyCustom3.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82;
1995BuickCenturySpecial2.2L4GASGap .060
1995BuickRegalCustom3.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82;
1995BuickSkylarkLimited3.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82;
1995BuickSkylarkCustom3.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82;
1995BuickSkylarkGran Sport3.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82;
1995ChevroletBerettaBase3.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82; 4-speed; Transaxle; Automatic;
1995ChevroletBerettaZ263.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82; 4-speed; Transaxle; Automatic;
1995ChevroletBerettaBase2.2L4GASGap .060
1995ChevroletCavalierLS2.2L4GASGap .060
1995ChevroletCavalierBase2.2L4GASGap .060
1995ChevroletCorsicaBase3.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82; 4-speed; Transaxle; Automatic;
1995ChevroletCorsicaBase2.2L4GASGap .060
1995ChevroletLLVBase2.2L4GASGap .060
1995ChevroletLuminaLS3.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82;
1995ChevroletLuminaBase3.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82;
1995ChevroletMonte CarloLS3.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82;
1995ChevroletS10Base2.2L4GASGap .060
1995ChevroletS10LS2.2L4GASGap .060
1995GMCSonomaSLE2.2L4GASGap .060
1995GMCSonomaSLS2.2L4GASGap .060
1995GMCSonomaSL2.2L4GASGap .060
1995OldsmobileAchievaSL3.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82;
1995OldsmobileAchievaS3.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82;
1995OldsmobileCutlass CieraBase3.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82;
1995OldsmobileCutlass CieraBase2.2L4GASGap .060
1995OldsmobileCutlass SupremeBase3.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82;
1995OldsmobileCutlass SupremeSL3.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82;
1995PontiacGrand AmSE3.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82;
1995PontiacGrand AmGT3.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82;
1995PontiacGrand PrixSE3.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82;
1995PontiacSunfireSE2.2L4GASGap .060
1994BuickCenturyCustom3.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82;
1994BuickCenturySpecial3.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82;
1994BuickCenturyCustom2.2L4GASGap .060
1994BuickCenturySpecial2.2L4GASGap .060
1994BuickRegalCustom3.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82;
1994BuickSkylarkLimited3.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82;
1994BuickSkylarkCustom3.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82;
1994BuickSkylarkGran Sport3.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82;
1994ChevroletBerettaBase3.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82; 4-speed; Transaxle; Automatic;
1994ChevroletBerettaBase2.2L4GASGap .060
1994ChevroletBerettaZ263.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82; 4-speed; Transaxle; Automatic;
1994ChevroletCavalierRS2.2L4GASGap .060
1994ChevroletCavalierVL2.2L4GASGap .060
1994ChevroletCorsicaBase2.2L4GASGap .060
1994ChevroletCorsicaBase3.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82; 4-speed; Transaxle; Automatic;
1994ChevroletLLVBase2.2L4GASGap .060
1994ChevroletS10Base2.2L4GASGap .060
1994ChevroletS10LS2.2L4GASGap .060
1994GMCSonomaSLS2.2L4GASGap .060
1994GMCSonomaSL2.2L4GASGap .060
1994GMCSonomaSLE2.2L4GASGap .060
1994OldsmobileAchievaS3.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82;
1994OldsmobileAchievaSL3.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82;
1994OldsmobileAchievaSC3.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82;
1994OldsmobileCutlass CieraS3.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82;
1994OldsmobileCutlass CieraSL3.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82;
1994OldsmobileCutlass CruiserBase3.1V6GASGap .060
1994OldsmobileCutlass CruiserS3.1V6GASGap .060
1994OldsmobileCutlass CruiserSpecial Edition3.1V6GASGap .060
1994OldsmobileCutlass SupremeS3.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82;
1994OldsmobileCutlass SupremeBase3.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82;
1994PontiacGrand AmSE3.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82;
1994PontiacGrand AmGT3.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82;
1994PontiacGrand PrixSE3.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82;
1993OldsmobileCutlass SupremeBase3.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82;
1993OldsmobileCutlass SupremeInternational3.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82;
1993OldsmobileCutlass SupremeS3.1V6GASGAP .060; Original Equipment | Engine VIN: M; Engine Code: L82;
Product info

The ACDelco spark plug is designed to deliver reliable and consistent ignition that allows your engine to reach its peak performance in all conditions of use. With ACDelco, you’re getting improved spark plug lifespan, better combustion, optimized fuel economy, as well as fewer emissions.

The R44LTSM6 spark plug is specifically built to meet the needs of Buick, Chevrolet, GMC, Isuzu, Oldsmobile, Pontiac vehicles, ensuring optimal fit and performance characteristics that perfectly match your engine’s requirements.

Using quality replacement spark plugs is a good way to keep your engine running smoothly. ACDelco offers that, and much more! Over the years, they’ve become one of the leading authorities in the world of ignition systems with a strong track record of innovation. As a result, many carmakers from all around the world have chosen this brand as OEM for their engines. Give your car the ACDelco makeover it needs, and enjoy years of care-free driving!

About ACDelco

When it comes to top-notch auto parts, one brand that stands tall is ACDelco. Popular for its commitment to quality and innovation, ACDelco has been a trusted name in the automotive industry. At Newparts.com, we're proud to offer a wide selection of ACDelco auto parts, including ACDelco spark plugs, ACDelco alternators, and ACDelco air filters, and other ACDelco parts, all at discounted prices.

ACDelco spark plugs are engineered to deliver exceptional performance and reliability, ensuring optimal engine operation and fuel efficiency. Whether you're cruising down the highway or navigating city streets, you can trust ACDelco spark plugs to keep your engine firing on all cylinders.

When it comes to power generation, ACDelco alternators are second to none. Designed to withstand the challenges of daily driving, ACDelco alternators deliver consistent power output to keep your vehicle's electrical systems running smoothly. With ACDelco alternators from Newparts.com, you can count on reliable performance mile after mile.

In addition to spark plugs and alternators, we also offer a range of ACDelco air filters to help keep your engine breathing clean, fresh air. ACDelco air filters are designed to trap dirt, dust, and other contaminants, preventing them from entering your engine and causing damage. With a high-quality ACDelco air filter from Newparts.com, you can enjoy improved engine performance and extended engine life.

At Newparts.com, we understand that getting the right parts quickly is essential. That's why we offer fast shipping on all ACDelco auto parts, so you can get back on the road with confidence. Plus, with our discounted prices, you can save big on the parts you need to keep your vehicle running smoothly. In case you want to purchase parts by phone, feel free to call us at 855-505-2886 and our customer service team will help you out. 

Whether you're in need of spark plugs, alternators, air filters, or any other ACDelco auto parts, Newparts.com has you covered. Shop our selection today and experience the quality and reliability of ACDelco for yourself.

Specifications
2-12k ohms
Center Electrode Core MaterialCopper
Center Electrode Tip MaterialNickel Alloy
Ground ConfigurationSingle
Ground Electrode Core MaterialNickel Alloy
Ground Electrode Quantity1
Ground Electrode Tip DesignSingle Prong Electrode
Hex Size5/8
Insulator Height2.026
Manufacturer Heat Range4
Pre-Gap Size0.06
Reach0.679
Resistance2-12K ohms
Resistor TypeYes
Seat TypeConical
Thread Diameter0.551
Warranty
We offer a 2-year warranty on all parts that we sell. If the part fails within 2 years of purchase, please contact us for instructions to replace it. The warranty does not cover normal wear and tear or improper installation. On many parts, we also offer Extend product protection, which is a way to add up to 3 additional years for 5 total years of worry free coverage. Select your preferred term length and you're covered!
Delivery & Returns

Delivery Info

Newparts.com is your go to store for all parts and accessories at the best price and delivered quickly. Every order we ship receives a tracking number so that you can watch it all the way until it reaches your door. We only ship using the major shipping carriers like FedEx, UPS and USPS to ensure quick and safe delivery of your new car parts order.

Returns Info

Newparts.com offers a thirty (30) day return for refund for all items purchased through Newparts.com. To qualify for return and refund, all items must be new and in their original manufacturers box. To initiate a return, please contact our customer service. This information is only a summary. Complete shipping and return policy information can be found in our web site policies.

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