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Creates a secure point of contact with the pulley, which allows for traction.


Outside Circumference-38. 453 inch. Able to operate and accept misalignment in the accessory belt drive systems abds far greater than other serpentine belts. Its flexible construction allows the belt to withstand billions of topside and backside bends resulting in a long belt life.





Sincere after-sales service support- we sincerely tell customers who trust us that. We do not need middlemen, so we can ensure that our price and quality Reach a Complete Balance, Allowing You to Buy a Professional Belt Tensioner of Better Quality with the Least Amount of Money.
Reasonable price- as an auto parts wholesaler, 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. Easy to install by direct replacement.

1. ACDelco
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ACDelco GM Original Equipment 12576447 V-Ribbed Serpentine Belt
#adACDelco #ad - Material-Reinforced Rubber. 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.Creates a secure point of contact with the pulley, which allows for traction.
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Gm engineers design and validate OE parts specifically for your Chevrolet, GMC, Buick, or Cadillac vehicle. 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.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
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Gates K040378 Micro-V Multi V-Groove Belt
#adGates #ad - Country of Origin :China. Package dimensions :03 cm l x 8. 9 cm w x 43. 2 cm H. Product type :Auto Part. Package weight :019lbs.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 - Fit type: vehicle specific. Is the belt of choice by professional technicians, lasting 50% to 60% longer than retail belts low priced belts sold at car part stores.Outside Circumference-38. 453 inch. Able to operate and accept misalignment in the accessory belt drive systems abds far greater than other serpentine belts. Its flexible construction allows the belt to withstand billions of topside and backside bends resulting in a long belt life.
More information #ad
Made with temperature and crack resistant epdm rubber for a long life and quiet, dependable performance. Its precision dimension control of rib profile transmits load efficiently throughout the accessory belt drive systems abds allowing components to operate at optimum levels. Oem equivalent part number: 88932529. Top width-056 inch. Effective length-37. 89 inch.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 - Does the job right the first time and reduces comebacks by always replacing the serpentine belt, idlers, and tensioners at the same time. Has a lineup of parts that include 78 kits covering more than 1, 300 vehicle applications for both import and domestic applications.More information #ad
Provides the performance and dependability you expect from ACDelco. Professional, premium aftermarket replacement. Includes a serpentine belt, tensioners, idlers, and supporting hardware with detailed installation instructions. Belt Material-Rubber.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. 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. Same dimensions as Original Part.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 - Multi-ribbed to provide less slippage and durable performance. Gm-recommended replacement part for your GM vehicle’s original factory component. Withstands tension without stretching. Helps minimize the load on the engine. Offering the quality, reliability, and durability of GM OE.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 - Patented vibration damping system increases tensioner, belt, and accessory component life for long lasting use. Provides full line coverage for domestic, import, and heavy duty applications.More information #ad
Ensures proper belt tension, alignment, and damping for superior performance. Torsional round spring design provides consistent tension and does not allow contamination for enhanced durability. Fit type: Vehicle Specific.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
#ad
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 - Don't worry about any questions about the product, do Not Count on Year Make and Model Only, please view the compatability tab including the notes, and You Will Get an Answer within 24 Hours. 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.Sincere after-sales service support- we sincerely tell customers who trust us that. We do not need middlemen, so we can ensure that our price and quality Reach a Complete Balance, Allowing You to Buy a Professional Belt Tensioner of Better Quality with the Least Amount of Money.
More information #ad
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. Reasonable price- as an auto parts wholesaler, 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. Easy to install by direct replacement.
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 - Torsional round spring design provides consistent tension and does not allow contamination for enhanced durability. Ensures proper belt tension, alignment, and damping for superior performance.More information #ad
Provides full line coverage for domestic, import, and heavy duty applications. Made from high-quality materials for ultimate durability. Patented vibration damping system increases tensioner, belt, and accessory component life for long lasting use.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