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Please, add your first item to the wishlist

Select vehicle to confirm fitment

Spark Plug

PART#: R44LTS6
ACDelco

$1.85

In stock

Interchanges
BrandPart #
Genuine GM Parts19302723
Fitments
YearMakeModelSubmodelEngineFuel TypePositionNote
2009GMCSierra 1500WT4.3V6GASGap .060
2009GMCSavana 1500Base4.3V6GASGap .060
2008ChevroletExpress 1500Base4.3V6GASGap .060
2008ChevroletSilverado 1500WT4.3V6GASGap .060
2008GMCSavana 1500Base4.3V6GASGap .060
2008GMCSierra 1500WT4.3V6GASGap .060
2007ChevroletSilverado 1500WT4.3V6GASGap .060
2007ChevroletExpress 1500Base4.3V6GASGap .060
2007ChevroletSilverado 1500 ClassicWT4.3V6GASGap .060
2007ChevroletSilverado 1500 ClassicLS4.3V6GASGap .060
2007GMCSierra 1500WT4.3V6GASGap .060
2007GMCSavana 1500Base4.3V6GASGap .060
2007GMCSierra 1500 ClassicWT4.3V6GASGap .060
2007GMCSierra 1500 ClassicSL4.3V6GASGap .060
2006CadillacSRXBase4.6V8GASGap .050
2006CadillacSTSBase4.6V8GASGap .050
2006CadillacXLRBase4.6V8GASGap .050
2006ChevroletExpress 1500LT4.3V6GASGap .060
2006ChevroletExpress 1500LS4.3V6GASGap .060
2006ChevroletExpress 1500Base4.3V6GASGap .060
2006ChevroletExpress 2500Base4.3V6GASGap .060
2006ChevroletSilverado 1500WT4.3V6GASGap .060
2006ChevroletSilverado 1500LS4.3V6GASGap .060
2006GMCSavana 1500Base4.3V6GASGap .060
2006GMCSavana 1500LT4.3V6GASGap .060
2006GMCSavana 1500LS4.3V6GASGap .060
2006GMCSavana 2500Base4.3V6GASGap .060
2006GMCSierra 1500SL4.3V6GASGap .060
2006GMCSierra 1500WT4.3V6GASGap .060
2005CadillacSTSBase4.6V8GASGap .050
2005CadillacSRXBase4.6V8GASGap .050
2005CadillacXLRBase4.6V8GASGap .050
2005ChevroletAstroLS4.3V6GASGap .060
2005ChevroletAstroLT4.3V6GASGap .060
2005ChevroletAstroBase4.3V6GASGap .060
2005ChevroletBlazerXtreme4.3V6GASGap .060
2005ChevroletBlazerBase4.3V6GASGap .060
2005ChevroletBlazerZR24.3V6GASGap .060
2005ChevroletExpress 1500Base4.3V6GASGap .060
2005ChevroletExpress 1500LS4.3V6GASGap .060
2005ChevroletExpress 2500Base4.3V6GASGap .060
2005ChevroletExpress 2500LS4.3V6GASGap .060
2005ChevroletSilverado 1500Base4.3V6GASGap .060
2005ChevroletSilverado 1500LS4.3V6GASGap .060
2005ChevroletSilverado 1500LT4.3V6GASGap .060
2005ChevroletSilverado 1500WT4.3V6GASGap .060
2005GMCSafariSLE4.3V6GASGap .060
2005GMCSafariBase4.3V6GASGap .060
2005GMCSafariSLT4.3V6GASGap .060
2005GMCSavana 1500Base4.3V6GASGap .060
2005GMCSavana 1500SLE4.3V6GASGap .060
2005GMCSavana 2500Base4.3V6GASGap .060
2005GMCSavana 2500SLE4.3V6GASGap .060
2005GMCSierra 1500Base4.3V6GASGap .060
2005GMCSierra 1500WT4.3V6GASGap .060
2005FordFreestarSEL4.2V6GASGap .054
2005FordFreestarS3.9V6GASGap .054
2005FordFreestarBase3.9V6GASGap .054
2005FordFreestarLimited4.2V6GASGap .054
2005FordFreestarSE3.9V6GASGap .054
2005FordFreestarSES3.9V6GASGap .054
2005MercuryMontereyPremier4.2V6GASGap .054
2005MercuryMontereyLuxury4.2V6GASGap .054
2005MercuryMontereyConvenience4.2V6GASGap .054
2004CadillacXLRBase4.6V8GASGap .050
2004CadillacSRXBase4.6V8GASGap .050
2004ChevroletAstroBase4.3V6GASGap .060
2004ChevroletAstroLS4.3V6GASGap .060
2004ChevroletAstroLT4.3V6GASGap .060
2004ChevroletBlazerLS4.3V6GASGap .060
2004ChevroletBlazerXtreme4.3V6GASGap .060
2004ChevroletBlazerZR24.3V6GASGap .060
2004ChevroletExpress 1500Base4.3V6GASGap .060
2004ChevroletExpress 1500LS4.3V6GASGap .060
2004ChevroletExpress 2500Base4.3V6GASGap .060
2004ChevroletExpress 2500LS4.3V6GASGap .060
2004ChevroletS10ZR54.3V6GASGap .060
2004ChevroletS10LS4.3V6GASGap .060
2004ChevroletSilverado 1500WT4.3V6GASGap .060
2004ChevroletSilverado 1500Base4.3V6GASGap .060
2004ChevroletSilverado 1500LT4.3V6GASGap .060
2004ChevroletSilverado 1500LS4.3V6GASGap .060
2004GMCSafariBase4.3V6GASGap .060
2004GMCSafariSLE4.3V6GASGap .060
2004GMCSafariSLT4.3V6GASGap .060
2004GMCSavana 1500Base4.3V6GASGap .060
2004GMCSavana 1500SLE4.3V6GASGap .060
2004GMCSavana 2500Base4.3V6GASGap .060
2004GMCSavana 2500SLE4.3V6GASGap .060
2004GMCSierra 1500Base4.3V6GASGap .060
2004GMCSierra 1500SLE4.3V6GASGap .060
2004GMCSierra 1500WT4.3V6GASGap .060
2004GMCSierra 1500SLT4.3V6GASGap .060
2004GMCSonomaSLS4.3V6GASGap .060
2004GMCSonomaSL4.3V6GASGap .060
2004FordFreestarSES3.9V6GASGap .054
2004FordFreestarBase3.9V6GASGap .054
2004FordFreestarSE3.9V6GASGap .054
2004FordFreestarS3.9V6GASGap .054
2004FordFreestarLimited4.2V6GASGap .054
2004FordFreestarSEL4.2V6GASGap .054
2004FordMustangBase3.9V6GASGap .054
2004FordMustangBase3.8V6GASGap .054
2004MercuryMontereyBase4.2V6GASGap .054
2004MercuryMontereyPremier4.2V6GASGap .054
2003ChevroletAstroLT4.3V6GASGap .060
2003ChevroletAstroBase4.3V6GASGap .060
2003ChevroletAstroLS4.3V6GASGap .060
2003ChevroletExpress 1500LS4.3V6GASGap .060
2003ChevroletExpress 1500Base4.3V6GASGap .060
2003ChevroletExpress 2500LS4.3V6GASGap .060
2003ChevroletExpress 2500Base4.3V6GASGap .060
2003ChevroletBlazerZR24.3V6GASGap .060
2003ChevroletBlazerXtreme4.3V6GASGap .060
2003ChevroletBlazerLS4.3V6GASGap .060
2003ChevroletS10Base4.3V6GASGap .060
2003ChevroletS10LS4.3V6GASGap .060
2003ChevroletS10Xtreme4.3V6GASGap .060
2003ChevroletS10ZR54.3V6GASGap .060
2003ChevroletS10ZR24.3V6GASGap .060
2003ChevroletSilverado 1500Base4.3V6GASGap .060
2003ChevroletSilverado 1500LT4.3V6GASGap .060
2003ChevroletSilverado 1500LS4.3V6GASGap .060
2003ChevroletSilverado 1500WT4.3V6GASGap .060
2003GMCSonomaSLS4.3V6GASGap .060
2003GMCSonomaSL4.3V6GASGap .060
2003GMCSafariSLE4.3V6GASGap .060
2003GMCSafariSLT4.3V6GASGap .060
2003GMCSafariBase4.3V6GASGap .060
2003GMCSavana 1500Base4.3V6GASGap .060
2003GMCSavana 1500SLE4.3V6GASGap .060
2003GMCSavana 2500Base4.3V6GASGap .060
2003GMCSierra 1500SLT4.3V6GASGap .060
2003GMCSierra 1500Base4.3V6GASGap .060
2003GMCSierra 1500WT4.3V6GASGap .060
2003GMCSierra 1500SLE4.3V6GASGap .060
2003GMCSierra 1500SL4.3V6GASGap .060
2003FordMustangBase3.8V6GASGap .054
2002JaguarS-TypeBase3.0V6GASGap .050
2002JaguarX-TypeBase3.0V6GASGap .050
2002JaguarX-TypeBase2.5V6GASGap .050
2002ChevroletAstroBase4.3V6GASGap .060
2002ChevroletAstroLS4.3V6GASGap .060
2002ChevroletAstroLT4.3V6GASGap .060
2002ChevroletCavalierLS2.4L4GASGap .050
2002ChevroletCavalierZ242.4L4GASGap .050
2002ChevroletCavalierLS Sport2.4L4GASGap .050
2002ChevroletExpress 1500LT4.3V6GASGap .060
2002ChevroletExpress 1500LT5.7V8GASGap .060
2002ChevroletExpress 1500LS5.0V8GASGap .060
2002ChevroletExpress 1500LS4.3V6GASGap .060
2002ChevroletExpress 1500LT5.0V8GASGap .060
2002ChevroletExpress 1500Base5.7V8GASGap .060
2002ChevroletExpress 1500Base5.0V8GASGap .060
2002ChevroletExpress 1500Base4.3V6GASGap .060
2002ChevroletExpress 1500LS5.7V8GASGap .060
2002ChevroletExpress 2500LS5.0V8GASGap .060
2002ChevroletExpress 2500Base4.3V6GASGap .060
2002ChevroletExpress 2500LS4.3V6GASGap .060
2002ChevroletExpress 2500Base5.7V8GASGap .060
2002ChevroletExpress 2500Base5.0V8GASGap .060
2002ChevroletExpress 2500LS5.7V8GASGap .060
2002ChevroletExpress 3500Base5.7V8GASGap .060
2002ChevroletExpress 3500Base5.7V8BI-FUELGap .060
2002ChevroletExpress 3500LS5.7V8BI-FUELGap .060
2002ChevroletExpress 3500LS5.7V8GASGap .060
2002ChevroletBlazerXtreme4.3V6GASGap .060
2002ChevroletBlazerLS4.3V6GASGap .060
2002ChevroletS10ZR54.3V6GASGap .060
2002ChevroletS10Xtreme4.3V6GASGap .060
2002ChevroletS10ZR24.3V6GASGap .060
2002ChevroletS10Base4.3V6GASGap .060
2002ChevroletS10LS4.3V6GASGap .060
2002ChevroletSilverado 1500WT4.3V6GASGap .060
2002ChevroletSilverado 1500Base4.3V6GASGap .060
2002ChevroletSilverado 1500LS4.3V6GASGap .060
2002ChevroletSilverado 1500LT4.3V6GASGap .060
2002GMCSonomaSL4.3V6GASGap .060
2002GMCSonomaSLS4.3V6GASGap .060
2002GMCSafariSLE4.3V6GASGap .060
2002GMCSafariSLT4.3V6GASGap .060
2002GMCSafariSL4.3V6GASGap .060
2002GMCSavana 1500Base5.7V8GASGap .060
2002GMCSavana 1500SLT5.7V8GASGap .060
2002GMCSavana 1500Base5.0V8GASGap .060
2002GMCSavana 1500SLT4.3V6GASGap .060
2002GMCSavana 1500SLT5.0V8GASGap .060
2002GMCSavana 1500Base4.3V6GASGap .060
2002GMCSavana 2500Base4.3V6GASGap .060
2002GMCSavana 2500SLT5.0V8GASGap .060
2002GMCSavana 2500Base5.7V8GASGap .060
2002GMCSavana 2500Base5.0V8GASGap .060
2002GMCSavana 2500SLT5.7V8GASGap .060
2002GMCSavana 2500SLT4.3V6GASGap .060
2002GMCSavana 3500Base5.7V8GASGap .060
2002GMCSavana 3500SLT5.7V8GASGap .060
2002GMCSierra 1500HT4.3V6GASGap .060
2002GMCSierra 1500SL4.3V6GASGap .060
2002GMCSierra 1500SLT4.3V6GASGap .060
2002GMCSierra 1500WT4.3V6GASGap .060
2002GMCSierra 1500SLE4.3V6GASGap .060
2002GMCSierra 1500Base4.3V6GASGap .060
2002OldsmobileAuroraBase3.5V6GASGap .060
2002OldsmobileIntrigueGLS3.5V6GASGap .060
2002OldsmobileIntrigueGL3.5V6GASGap .060
2002OldsmobileIntrigueGX3.5V6GASGap .060
2002PontiacSunfireGT2.4L4GASGap .060
2002PontiacSunfireSE2.4L4GASGap .060
2002FordMustangBase3.8V6GASGap .054
2001JaguarS-TypeBase3.0V6GASGap .050
2001ChevroletAstroBase4.3V6GASGap .060
2001ChevroletAstroLS4.3V6GASGap .060
2001ChevroletAstroLT4.3V6GASGap .060
2001ChevroletCavalierZ242.4L4GASGap .050
2001ChevroletCavalierLS2.4L4GASGap .050
2001ChevroletExpress 1500LS5.0V8GASGap .060
2001ChevroletExpress 1500Base5.7V8GASGap .060
2001ChevroletExpress 1500Base5.0V8GASGap .060
2001ChevroletExpress 1500LS4.3V6GASGap .060
2001ChevroletExpress 1500LT5.7V8GASGap .060
2001ChevroletExpress 1500LT5.0V8GASGap .060
2001ChevroletExpress 1500LT4.3V6GASGap .060
2001ChevroletExpress 1500Base4.3V6GASGap .060
2001ChevroletExpress 1500LS5.7V8GASGap .060
2001ChevroletExpress 2500Base5.0V8GASGap .060
2001ChevroletExpress 2500Base5.7V8GASGap .060
2001ChevroletExpress 2500Base4.3V6GASGap .060
2001ChevroletExpress 2500LS5.7V8GASGap .060
2001ChevroletExpress 2500LS5.0V8GASGap .060
2001ChevroletExpress 3500LS5.7V8GASGap .060
2001ChevroletExpress 3500Base5.7V8GASGap .060
2001ChevroletBlazerLT4.3V6GASGap .060
2001ChevroletBlazerXtreme4.3V6GASGap .060
2001ChevroletBlazerLS4.3V6GASGap .060
2001ChevroletBlazerTrailblazer4.3V6GASGap .060
2001ChevroletS10LS4.3V6GASGap .060
2001ChevroletS10Xtreme4.3V6GASGap .060
2001ChevroletS10Base4.3V6GASGap .060
2001ChevroletS10ZR24.3V6GASGap .060
2001ChevroletSilverado 1500Base4.3V6GASGap .060
2001ChevroletSilverado 1500LT4.3V6GASGap .060
2001ChevroletSilverado 1500LS4.3V6GASGap .060
2001GMCJimmyDiamond Edition4.3V6GASGap .060
2001GMCJimmySLE4.3V6GASGap .060
2001GMCJimmySL4.3V6GASGap .060
2001GMCJimmySLT4.3V6GASGap .060
2001GMCJimmySLS4.3V6GASGap .060
2001GMCSonomaSLE4.3V6GASGap .060
2001GMCSonomaSLS4.3V6GASGap .060
2001GMCSonomaSL4.3V6GASGap .060
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 R44LTS6 spark plug is specifically built to meet the needs of Buick, Cadillac, Chevrolet, Ford, GMC, Isuzu, Jaguar, Mercury, Oldsmobile, Pontiac, Workhorse 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
Ground ConfigurationSingle
Ground Electrode Core MaterialNickel Alloy
Ground Electrode Quantity1
Ground Electrode Tip DesignSingle Prong Electrode
Hex Size5/8in
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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