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Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type GM regularly updates production and service part designs to integrate new materials and technologies.


Effective length-37. 89 inch. Top width-056 inch. Is the belt of choice by professional technicians, lasting 50% to 60% longer than retail belts low priced belts sold at car part stores. Made with temperature and crack resistant epdm rubber for a long life and quiet, dependable performance.





Perfect fit - engineered and tested to match the fit, function and performance of the original tensioner on specified vehicles. It ensures proper belt tension, alignment, and damping for superior performance.
Before placing the order, you can contact us at any time, please check your car model in the Amazon Fitment Filter System in the Top Left Corner, Please View the Compatability Tab Including the Notes, or Send Us a Message to Make Sure It Matches Exactly. Premium quality - passed iso/ts16949 certification, and also improved the weaknesses in the traditional design. During each step of production multiple quality control checks are performed to ensure a long, passed the most stringent original factory standard test, Trouble-free service life. Sincere after-sales service support- we sincerely tell customers who trust us that.

1. ACDelco
#ad
ACDelco GM Original Equipment 12576447 V-Ribbed Serpentine Belt
#adACDelco #ad - Material-Reinforced Rubber. Some acdelco gm original equipment parts may have formerly appeared as GM Genuine Parts OE or ACDelco Professional. Allows for the operation of various pulleys, and drive belt accessories, with the use of a single belt.Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type GM regularly updates production and service part designs to integrate new materials and technologies.
More information #ad
Gm engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle. Creates a secure point of contact with the pulley, which allows for traction.Brand | ACDelco #ad |
Manufacturer | ACDelco #ad |
Height | 0.9 Inches |
Length | 8.6 Inches |
Weight | 0 Pounds |
Width | 3.4 Inches |
Part Number | 12576447 |
Model | 12576447 |
Warranty | Limited Lifetime Warranty (Parts Only). Please see ACDelco.com for more details. |
More information #ad
2. Gates
#ad
Gates K040378 Micro-V Multi V-Groove Belt
#adGates #ad - Country of Origin :China. Package weight :019lbs. Product type :Auto Part. Package dimensions :03 cm l x 8. 9 cm w x 43. 2 cm H.More information #ad
Brand | Gates #ad |
Manufacturer | Gates #ad |
Height | 0 Inches |
Length | 0 Inches |
Weight | 0.1 Pounds |
Width | 0 Inches |
Part Number | K040378 |
Model | K040378 |
Warranty | Please contact retailer/seller for assistance |
More information #ad
3. ACDelco
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ACDelco Professional 4K378 Standard V-Ribbed Serpentine Belt, Original Version
#adACDelco #ad - Its flexible construction allows the belt to withstand billions of topside and backside bends resulting in a long belt life. Outside Circumference-38. 453 inch. Oem equivalent part number: 88932529.Effective length-37. 89 inch. Top width-056 inch. Is the belt of choice by professional technicians, lasting 50% to 60% longer than retail belts low priced belts sold at car part stores. Made with temperature and crack resistant epdm rubber for a long life and quiet, dependable performance.
More information #ad
Able to operate and accept misalignment in the accessory belt drive systems abds far greater than other serpentine belts. Fit type: vehicle specific. Its precision dimension control of rib profile transmits load efficiently throughout the accessory belt drive systems abds allowing components to operate at optimum levels.Brand | ACDelco #ad |
Manufacturer | ACDelco #ad |
Height | 0.5 Inches |
Length | 19.1 Inches |
Weight | 0.01 Pounds |
Width | 0.6 Inches |
Part Number | 4K378 |
Model | 4K378 |
Warranty | Limited Lifetime as long as original purchaser owns vehicle. (Parts Only) |
More information #ad
4. ACDelco
#ad
ACDelco Professional ACK040378HD Serpentine Drive Belt Tensioner Kit
#adACDelco #ad - Professional, premium aftermarket replacement. Includes a serpentine belt, idlers, tensioners, and supporting hardware with detailed installation instructions. Provides the performance and dependability you expect from ACDelco.More information #ad
Does the job right the first time and reduces comebacks by always replacing the serpentine belt, idlers, and tensioners at the same time. Belt Material-Rubber. Has a lineup of parts that include 78 kits covering more than 1, 300 vehicle applications for both import and domestic applications.Brand | ACDelco #ad |
Manufacturer | ACDelco #ad |
Height | 7 Inches |
Length | 7 Inches |
Weight | 1.34 Pounds |
Width | 11 Inches |
Part Number | ACK040378HD |
Model | ACK040378HD |
Warranty | Limited Lifetime Warranty (Parts Only). Please see ACDelco.com for more details. |
More information #ad
5. Sawyer Auto
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A/C Drive Belt Compatible with Chevy Yukon SaVana Express Van Suburban Avalanche Compatible with GMC
#adSawyer Auto #ad - Direct fit replacement. Installs the same as factory unit. Same dimensions as Original Part. Fitment notes: fitment notesa/c front auto/aux contcj2 a/c front manaturally aspiratedux controlCJ3 A/C Front Elec ContC67 Location: Air Conditioning - Compatible with 8 Cylinder 6.More information #ad
2l 2007-2008 cadillac Escalade Accessory Drive Belt.Brand | Sawyer Auto #ad |
Manufacturer | Sawyer Auto #ad |
Part Number | SAB2-6496675 |
More information #ad
6. ACDelco
#ad
ACDelco GM Original Equipment 12626222 V-Ribbed Serpentine Belt
#adACDelco #ad - Helps minimize the load on the engine. Gm-recommended replacement part for your GM vehicle’s original factory component. Offering the quality, reliability, and durability of GM OE. Multi-ribbed to provide less slippage and durable performance. Withstands tension without stretching.More information #ad
Brand | ACDelco #ad |
Manufacturer | ACDelco #ad |
Height | 1.1 Inches |
Length | 22.4 Inches |
Weight | 0.44 Pounds |
Width | 4 Inches |
Part Number | 12626222 |
Model | 12626222 |
Warranty | Limited Lifetime Warranty (Parts Only). Please see ACDelco.com for more details. |
More information #ad
7. ACDelco
#ad
ACDelco Professional 38159 Drive Belt Tensioner Assembly with Pulley
#adACDelco #ad - Fit type: Vehicle Specific. Patented vibration damping system increases tensioner, belt, and accessory component life for long lasting use. Ensures proper belt tension, alignment, and damping for superior performance.More information #ad
Torsional round spring design provides consistent tension and does not allow contamination for enhanced durability. Provides full line coverage for domestic, import, and heavy duty applications.Brand | ACDelco #ad |
Manufacturer | ACDelco #ad |
Height | 3.6 Inches |
Length | 8.8 Inches |
Weight | 1 Pounds |
Width | 4.8 Inches |
Part Number | 38159 |
Model | 38159 |
Warranty | Limited Lifetime Warranty (Parts Only). Please see ACDelco.com for more details. |
More information #ad
8. KEYOOG
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KEYOOG 38159 Drive Belt Tensioner Assembly Location:A/C Fit For 02-08 Cadillac Escalade/Chevy Avalanche Express Silverado Tahoe 1500 /GMC Envoy Savana Sierra Yukon XL 1500 /Hummer H2 OE# 12565372
#adKEYOOG #ad - High-quality raw materials- in order to obtain the excellent performance of the product, KEYOOG Professional Belt Tensioner Features Corrosion Resistant Cast Iron or Aluminum Body Construction to Provide Extra Strength and Long Lasting Durability. Reasonable price- as an auto parts wholesaler, so we can ensure that our price and quality reach a complete balance, we Rely on Big Data to Make Our Products Flow Directly from Manufacturers to Consumers.Perfect fit - engineered and tested to match the fit, function and performance of the original tensioner on specified vehicles. It ensures proper belt tension, alignment, and damping for superior performance.
More information #ad
Easy to install by direct replacement. Don't worry about any questions about the product, do not count on year make and model only, and you will Get an Answer within 24 Hours. We do not need middlemen, allowing you to Buy a Professional Belt Tensioner of Better Quality with the Least Amount of Money. Before placing the order, you can contact us at any time, please check your car model in the Amazon Fitment Filter System in the Top Left Corner, Please View the Compatability Tab Including the Notes, or Send Us a Message to Make Sure It Matches Exactly. Premium quality - passed iso/ts16949 certification, and also improved the weaknesses in the traditional design. During each step of production multiple quality control checks are performed to ensure a long, passed the most stringent original factory standard test, Trouble-free service life. Sincere after-sales service support- we sincerely tell customers who trust us that.
Brand | KEYOOG #ad |
Manufacturer | KEYOOG #ad |
Height | 4.3 Inches |
Length | 4.7 Inches |
Width | 4.7 Inches |
Part Number | KGZQ-38159 |
Model | 38159 89258 49276 419-109 |
More information #ad
9. ACDelco
#ad
ACDelco Professional 38158 Drive Belt Tensioner Assembly with Pulley
#adACDelco #ad - Patented vibration damping system increases tensioner, belt, and accessory component life for long lasting use. Ensures proper belt tension, alignment, and damping for superior performance.More information #ad
Torsional round spring design provides consistent tension and does not allow contamination for enhanced durability. Provides full line coverage for domestic, import, and heavy duty applications. Made from high-quality materials for ultimate durability.Brand | ACDelco #ad |
Manufacturer | ACDelco #ad |
Height | 3.6 Inches |
Length | 8.8 Inches |
Weight | 1 Pounds |
Width | 4.8 Inches |
Part Number | 38158 |
Model | 38158 |
Warranty | Limited Lifetime Warranty (Parts Only). Please see ACDelco.com for more details. |
More information #ad
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