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Serpentine Belt

PART#: 4K378
ACDelco
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Serpentine Belt
Serpentine Belt
Serpentine Belt
Serpentine Belt
Serpentine Belt
Serpentine Belt

$21.49

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In stock

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Fitments
YearMakeModelSubmodelEngineFuel TypePositionNote
2008CadillacEscaladePlatinum6.2V8GASAir Conditioning
2008CadillacEscaladeBase6.2V8GASAir Conditioning
2008CadillacEscalade ESVPlatinum6.2V8GASAir Conditioning
2008CadillacEscalade ESVBase6.2V8GASAir Conditioning
2008CadillacEscalade EXTBase6.2V8GASAir Conditioning
2008ChevroletAvalancheLTZ5.3V8GASAir Conditioning
2008ChevroletAvalancheLS5.3V8GASAir Conditioning
2008ChevroletAvalancheLTZ6.0V8GASAir Conditioning
2008ChevroletAvalancheLT6.0V8GASAir Conditioning
2008ChevroletAvalancheLTZ5.3V8FLEXAir Conditioning
2008ChevroletAvalancheLT5.3V8GASAir Conditioning
2008ChevroletAvalancheLS5.3V8FLEXAir Conditioning
2008ChevroletAvalancheLT5.3V8FLEXAir Conditioning
2008ChevroletExpress 1500LT5.3V8GASAir Conditioning
2008ChevroletExpress 1500LS5.3V8FLEXAir Conditioning
2008ChevroletExpress 1500LS5.3V8GASAir Conditioning
2008ChevroletExpress 1500LT5.3V8FLEXAir Conditioning
2008ChevroletExpress 1500Base5.3V8FLEXAir Conditioning
2008ChevroletExpress 1500Base5.3V8GASAir Conditioning
2008ChevroletExpress 2500Base4.8V8GASAir Conditioning
2008ChevroletExpress 2500LS6.0V8GASAir Conditioning
2008ChevroletExpress 2500LT6.0V8GASAir Conditioning
2008ChevroletExpress 2500Base6.0V8GASAir Conditioning
2008ChevroletExpress 3500LT6.0V8GASAir Conditioning
2008ChevroletExpress 3500LS6.0V8GASAir Conditioning
2008ChevroletExpress 3500Base6.0V8GASAir Conditioning
2008ChevroletExpress 3500Base4.8V8GASAir Conditioning
2008ChevroletSilverado 1500LT4.8V8GASAir Conditioning
2008ChevroletSilverado 1500LTZ6.0V8GASAir Conditioning
2008ChevroletSilverado 1500LT5.3V8GASAir Conditioning
2008ChevroletSilverado 1500WT5.3V8GASAir Conditioning
2008ChevroletSilverado 1500LTZ5.3V8GASAir Conditioning
2008ChevroletSilverado 1500LTZ5.3V8FLEXAir Conditioning
2008ChevroletSilverado 1500LT6.0V8GASAir Conditioning
2008ChevroletSilverado 1500WT5.3V8FLEXAir Conditioning
2008ChevroletSilverado 1500LS4.8V8GASAir Conditioning
2008ChevroletSilverado 1500LT5.3V8FLEXAir Conditioning
2008ChevroletSilverado 1500WT4.8V8GASAir Conditioning
2008ChevroletSilverado 2500 HDWT6.0V8GASAir Conditioning
2008ChevroletSilverado 2500 HDLT6.0V8GASAir Conditioning
2008ChevroletSilverado 2500 HDLTZ6.0V8GASAir Conditioning
2008ChevroletSilverado 3500 HDWT6.0V8GASAir Conditioning
2008ChevroletSilverado 3500 HDLT6.0V8GASAir Conditioning
2008ChevroletSilverado 3500 HDLTZ6.0V8GASAir Conditioning
2008ChevroletTahoeLS4.8V8GASAir Conditioning
2008ChevroletTahoeLTZ6.2V8GASAir Conditioning
2008ChevroletTahoeLS5.3V8GASAir Conditioning
2008ChevroletTahoeLTZ5.3V8GASAir Conditioning
2008ChevroletTahoeLT5.3V8GASAir Conditioning
2008ChevroletTahoeLT5.3V8FLEXAir Conditioning
2008ChevroletTahoeLTZ5.3V8FLEXAir Conditioning
2008ChevroletTahoePPV5.3V8FLEXAir Conditioning
2008ChevroletTahoeLS5.3V8FLEXAir Conditioning
2008ChevroletSuburban 2500LS6.0V8GASAir Conditioning
2008ChevroletSuburban 2500LT6.0V8GASAir Conditioning
2008ChevroletSuburban 1500LT5.3V8FLEXAir Conditioning
2008ChevroletSuburban 1500LS5.3V8FLEXAir Conditioning
2008ChevroletSuburban 1500LTZ5.3V8FLEXAir Conditioning
2008ChevroletSuburban 1500LS5.3V8GASAir Conditioning
2008ChevroletSuburban 1500LT5.3V8GASAir Conditioning
2008ChevroletSuburban 1500LTZ6.0V8GASAir Conditioning
2008ChevroletSuburban 1500LT6.0V8GASAir Conditioning
2008ChevroletSuburban 1500LTZ5.3V8GASAir Conditioning
2008GMCYukon XL 2500SLT6.0V8GASAir Conditioning
2008GMCYukon XL 2500SLE6.0V8GASAir Conditioning
2008GMCYukon XL 1500SLE5.3V8GASAir Conditioning
2008GMCYukon XL 1500SLE5.3V8FLEXAir Conditioning
2008GMCYukon XL 1500SLT6.0V8GASAir Conditioning
2008GMCYukon XL 1500Denali6.2V8GASAir Conditioning
2008GMCYukon XL 1500SLT5.3V8GASAir Conditioning
2008GMCYukon XL 1500SLT5.3V8FLEXAir Conditioning
2008GMCYukon XL 1500SLE6.0V8GASAir Conditioning
2008GMCYukonSLE5.3V8FLEXAir Conditioning
2008GMCYukonSLT5.3V8FLEXAir Conditioning
2008GMCYukonSLT5.3V8GASAir Conditioning
2008GMCYukonSLE4.8V8GASAir Conditioning
2008GMCYukonSLE5.3V8GASAir Conditioning
2008GMCYukonDenali6.2V8GASAir Conditioning
2008GMCSavana 3500LS6.0V8GASAir Conditioning
2008GMCSavana 3500Base4.8V8GASAir Conditioning
2008GMCSavana 3500LT6.0V8GASAir Conditioning
2008GMCSavana 3500Base6.0V8GASAir Conditioning
2008GMCSavana 2500Base6.0V8GASAir Conditioning
2008GMCSavana 2500LS6.0V8GASAir Conditioning
2008GMCSavana 2500Base4.8V8GASAir Conditioning
2008GMCSavana 2500LT6.0V8GASAir Conditioning
2008GMCSavana 1500LS5.3V8FLEXAir Conditioning
2008GMCSavana 1500LS5.3V8GASAir Conditioning
2008GMCSavana 1500Base5.3V8FLEXAir Conditioning
2008GMCSavana 1500Base5.3V8GASAir Conditioning
2008GMCSavana 1500LT5.3V8GASAir Conditioning
2008GMCSavana 1500LT5.3V8FLEXAir Conditioning
2008GMCSierra 1500SLE5.3V8FLEXAir Conditioning
2008GMCSierra 1500Denali6.2V8GASAir Conditioning
2008GMCSierra 1500SL4.8V8GASAir Conditioning
2008GMCSierra 1500SLE6.0V8GASAir Conditioning
2008GMCSierra 1500SLT5.3V8GASAir Conditioning
2008GMCSierra 1500WT5.3V8GASAir Conditioning
2008GMCSierra 1500SLT6.0V8GASAir Conditioning
2008GMCSierra 1500WT4.8V8GASAir Conditioning
2008GMCSierra 1500SLT5.3V8FLEXAir Conditioning
2008GMCSierra 1500WT5.3V8FLEXAir Conditioning
2008GMCSierra 1500SLE5.3V8GASAir Conditioning
2008GMCSierra 1500SLE4.8V8GASAir Conditioning
2008GMCSierra 3500 HDSLE6.0V8GASAir Conditioning
2008GMCSierra 3500 HDSLT6.0V8GASAir Conditioning
2008GMCSierra 3500 HDWT6.0V8GASAir Conditioning
2008GMCSierra 2500 HDSLE6.0V8GASAir Conditioning
2008GMCSierra 2500 HDWT6.0V8GASAir Conditioning
2008GMCSierra 2500 HDSLT6.0V8GASAir Conditioning
2008HummerH2Base6.2V8GASAir Conditioning
2007CadillacEscaladeBase6.2V8GASAir Conditioning
2007CadillacEscalade ESVBase6.2V8GASAir Conditioning
2007CadillacEscalade EXTBase6.2V8GASAir Conditioning
2007ChevroletTahoeLS5.3V8GASAir Conditioning
2007ChevroletTahoeLS5.3V8FLEXAir Conditioning
2007ChevroletTahoeLT5.3V8GASAir Conditioning
2007ChevroletTahoeLTZ5.3V8FLEXAir Conditioning
2007ChevroletTahoeLT5.3V8FLEXAir Conditioning
2007ChevroletTahoeLS4.8V8GASAir Conditioning
2007ChevroletTahoePPV5.3V8FLEXAir Conditioning
2007ChevroletTahoeLTZ5.3V8GASAir Conditioning
2007ChevroletAvalancheLS5.3V8FLEXAir Conditioning
2007ChevroletAvalancheLT5.3V8FLEXAir Conditioning
2007ChevroletAvalancheLS5.3V8GASAir Conditioning
2007ChevroletAvalancheLTZ6.0V8GASAir Conditioning
2007ChevroletAvalancheLTZ5.3V8GASAir Conditioning
2007ChevroletAvalancheLTZ5.3V8FLEXAir Conditioning
2007ChevroletAvalancheLT6.0V8GASAir Conditioning
2007ChevroletAvalancheLT5.3V8GASAir Conditioning
2007ChevroletSuburban 1500LS5.3V8FLEXAir Conditioning
2007ChevroletSuburban 1500LTZ6.0V8GASAir Conditioning
2007ChevroletSuburban 1500LT5.3V8FLEXAir Conditioning
2007ChevroletSuburban 1500LT6.0V8GASAir Conditioning
2007ChevroletSuburban 1500LTZ5.3V8FLEXAir Conditioning
2007ChevroletSuburban 1500LS5.3V8GASAir Conditioning
2007ChevroletSuburban 1500LT5.3V8GASAir Conditioning
2007ChevroletSuburban 1500LTZ5.3V8GASAir Conditioning
2007ChevroletSuburban 2500LTZ6.0V8GASAir Conditioning
2007ChevroletSuburban 2500LS6.0V8GASAir Conditioning
2007ChevroletSuburban 2500LT6.0V8GASAir Conditioning
2007ChevroletSilverado 1500LS4.8V8GASAir Conditioning
2007ChevroletSilverado 1500LT6.0V8GASAir Conditioning
2007ChevroletSilverado 1500LT5.3V8GASAir Conditioning
2007ChevroletSilverado 1500WT5.3V8FLEXAir Conditioning
2007ChevroletSilverado 1500LTZ5.3V8GASAir Conditioning
2007ChevroletSilverado 1500LT4.8V8GASAir Conditioning
2007ChevroletSilverado 1500WT4.8V8GASAir Conditioning
2007ChevroletSilverado 1500LTZ5.3V8FLEXAir Conditioning
2007ChevroletSilverado 1500LT5.3V8FLEXAir Conditioning
2007ChevroletSilverado 1500WT5.3V8GASAir Conditioning
2007ChevroletSilverado 1500LTZ6.0V8GASAir Conditioning
2007ChevroletSilverado 2500 HDLT6.0V8GASAir Conditioning
2007ChevroletSilverado 2500 HDWT6.0V8GASAir Conditioning
2007ChevroletSilverado 2500 HDLTZ6.0V8GASAir Conditioning
2007ChevroletExpress 1500Base5.3V8FLEXAir Conditioning
2007ChevroletExpress 1500LT5.3V8GASAir Conditioning
2007ChevroletExpress 1500Base5.3V8GASAir Conditioning
2007ChevroletExpress 1500LS5.3V8GASAir Conditioning
2007ChevroletExpress 1500LT5.3V8FLEXAir Conditioning
2007ChevroletExpress 1500LS5.3V8FLEXAir Conditioning
2007ChevroletExpress 2500Base6.0V8GASAir Conditioning
2007ChevroletExpress 2500LT6.0V8GASAir Conditioning
2007ChevroletExpress 2500Base4.8V8GASAir Conditioning
2007ChevroletExpress 2500LS6.0V8GASAir Conditioning
2007ChevroletExpress 3500LT6.0V8GASAir Conditioning
2007ChevroletExpress 3500Base4.8V8GASAir Conditioning
2007ChevroletExpress 3500LS6.0V8GASAir Conditioning
2007ChevroletExpress 3500Base6.0V8GASAir Conditioning
2007ChevroletSilverado 3500 HDLTZ6.0V8GASAir Conditioning
2007ChevroletSilverado 3500 HDLT6.0V8GASAir Conditioning
2007ChevroletSilverado 3500 HDWT6.0V8GASAir Conditioning
2007ChevroletSilverado 1500 ClassicLS4.8V8GASAir Conditioning
2007ChevroletSilverado 1500 ClassicLT4.8V8GASAir Conditioning
2007ChevroletSilverado 1500 ClassicLS5.3V8GASAir Conditioning
2007ChevroletSilverado 1500 ClassicSS6.0V8GASAir Conditioning
2007ChevroletSilverado 1500 ClassicWT4.8V8GASAir Conditioning
2007ChevroletSilverado 1500 ClassicLS5.3V8FLEXAir Conditioning
2007ChevroletSilverado 1500 ClassicLT6.0V8GASAir Conditioning
2007ChevroletSilverado 1500 ClassicLT5.3V8GASAir Conditioning
2007ChevroletSilverado 1500 ClassicLT5.3V8FLEXAir Conditioning
2007ChevroletSilverado 1500 ClassicWT5.3V8GASAir Conditioning
2007ChevroletSilverado 1500 ClassicWT5.3V8FLEXAir Conditioning
2007ChevroletSilverado 2500 HD ClassicLS6.0V8GASAir Conditioning
2007ChevroletSilverado 2500 HD ClassicLT6.0V8GASAir Conditioning
2007ChevroletSilverado 2500 HD ClassicWT6.0V8GASAir Conditioning
2007ChevroletSilverado 3500 ClassicLS6.0V8GASAir Conditioning
2007ChevroletSilverado 3500 ClassicWT6.0V8GASAir Conditioning
2007ChevroletSilverado 3500 ClassicLT6.0V8GASAir Conditioning
2007ChevroletSilverado 1500 HD ClassicLT6.0V8GASAir Conditioning
2007GMCYukonSLE5.3V8FLEXAir Conditioning
2007GMCYukonSLE5.3V8GASAir Conditioning
2007GMCYukonSLT5.3V8GASAir Conditioning
2007GMCYukonSLE4.8V8GASAir Conditioning
2007GMCYukonDenali6.2V8GASAir Conditioning
2007GMCYukonSLT5.3V8FLEXAir Conditioning
2007GMCYukon XL 1500SLT5.3V8GASAir Conditioning
2007GMCYukon XL 1500SLE5.3V8FLEXAir Conditioning
2007GMCYukon XL 1500SLE6.0V8GASAir Conditioning
2007GMCYukon XL 1500SLT5.3V8FLEXAir Conditioning
2007GMCYukon XL 1500SLE5.3V8GASAir Conditioning
2007GMCYukon XL 1500SLT6.0V8GASAir Conditioning
2007GMCYukon XL 1500Denali6.2V8GASAir Conditioning
2007GMCYukon XL 2500SLE6.0V8GASAir Conditioning
2007GMCYukon XL 2500SLT6.0V8GASAir Conditioning
2007GMCSierra 1500SLE4.8V8GASAir Conditioning
2007GMCSierra 1500WT4.8V8GASAir Conditioning
2007GMCSierra 1500Denali6.2V8GASAir Conditioning
2007GMCSierra 1500WT5.3V8FLEXAir Conditioning
2007GMCSierra 1500SLT5.3V8GASAir Conditioning
2007GMCSierra 1500SLE6.0V8GASAir Conditioning
2007GMCSierra 1500SL4.8V8GASAir Conditioning
2007GMCSierra 1500SLE5.3V8GASAir Conditioning
2007GMCSierra 1500SLT5.3V8FLEXAir Conditioning
2007GMCSierra 1500SLT6.0V8GASAir Conditioning
2007GMCSierra 1500SLE5.3V8FLEXAir Conditioning
2007GMCSierra 1500WT5.3V8GASAir Conditioning
2007GMCSavana 1500LS5.3V8FLEXAir Conditioning
2007GMCSavana 1500Base5.3V8FLEXAir Conditioning
2007GMCSavana 1500LT5.3V8FLEXAir Conditioning
2007GMCSavana 1500LS5.3V8GASAir Conditioning
2007GMCSavana 1500LT5.3V8GASAir Conditioning
2007GMCSavana 1500Base5.3V8GASAir Conditioning
2007GMCSavana 2500Base4.8V8GASAir Conditioning
2007GMCSavana 2500Base6.0V8GASAir Conditioning
2007GMCSavana 2500LT6.0V8GASAir Conditioning
2007GMCSavana 2500LS6.0V8GASAir Conditioning
2007GMCSavana 3500LT6.0V8GASAir Conditioning
2007GMCSavana 3500Base6.0V8GASAir Conditioning
2007GMCSavana 3500LS6.0V8GASAir Conditioning
2007GMCSavana 3500Base4.8V8GASAir Conditioning
2007GMCSierra 2500 HDSLT6.0V8GASAir Conditioning
2007GMCSierra 2500 HDSLE6.0V8GASAir Conditioning
2007GMCSierra 2500 HDWT6.0V8GASAir Conditioning
2007GMCSierra 3500 HDSLT6.0V8GASAir Conditioning
2007GMCSierra 3500 HDWT6.0V8GASAir Conditioning
2007GMCSierra 3500 HDSLE6.0V8GASAir Conditioning
2007GMCSierra 1500 ClassicSLT5.3V8GASAir Conditioning
2007GMCSierra 1500 ClassicWT4.8V8GASAir Conditioning
2007GMCSierra 1500 ClassicWT5.3V8FLEXAir Conditioning
2007GMCSierra 1500 ClassicSL4.8V8GASAir Conditioning
2007GMCSierra 1500 ClassicSL5.3V8GASAir Conditioning
2007GMCSierra 1500 ClassicSLE5.3V8FLEXAir Conditioning
2007GMCSierra 1500 ClassicWT5.3V8GASAir Conditioning
2007GMCSierra 1500 ClassicSL5.3V8FLEXAir Conditioning
2007GMCSierra 1500 ClassicSLE4.8V8GASAir Conditioning
2007GMCSierra 1500 ClassicSLE5.3V8GASAir Conditioning
2007GMCSierra 1500 ClassicSLT6.0V8GASAir Conditioning
2007GMCSierra 1500 ClassicDenali6.0V8GASAir Conditioning
2007GMCSierra 1500 ClassicSLE6.0V8GASAir Conditioning
Product info

The ACDelco Serpentine Belt with part number 4K378 is a premium quality replacement belt designed to fit Acura, Cadillac, Chevrolet and Ford vehicles. This high-performance belt is made with top-notch materials to ensure longevity and reliability.

One of the key benefits of the ACDelco Serpentine Belt is its exceptional durability. It is engineered to provide long-lasting performance, even in extreme conditions. This reliable belt is also designed to reduce noise and vibration, ensuring a smooth and quiet ride.

The ACDelco Serpentine Belt features a specially designed rib profile that optimizes the contact between the belt and pulleys. This ensures maximum grip and efficient power transfer, enhancing the performance of your vehicle. The belt also features a high-strength tension member that provides consistent tension and minimizes stretching, further improving the belt’s reliability.

This top-quality serpentine belt is easy to install and requires minimal maintenance. It is a perfect replacement for worn-out or damaged belts, helping to restore your vehicle’s performance and reliability. Whether you’re driving on the highway or off-road, the ACDelco Serpentine Belt is a dependable choice that won’t let you down.

Overall, the ACDelco Serpentine Belt with part number 4K378 is a high-performance replacement belt that delivers exceptional durability, reliability, and performance. It is a perfect choice for Acura, Cadillac, Chevrolet, and Ford owners who demand the best from their vehicles.

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
ColorBlack
Rib Quantity4
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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