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SKP SK39371 Accessory Drive Belt Tensioner Assembly
Accessory Drive Belt Tensioner for GM V8 Applications
SKP SK39371 is an accessory drive belt tensioner assembly built to maintain proper belt tension for steady engine operation and consistent drive of belt-driven components. It is a direct-fit replacement for select Cadillac, Chevrolet, and GMC trucks and SUVs, including Silverado 1500, Sierra 1500, Tahoe, Yukon, and Escalade applications.
Key Features
- Accessory drive belt tensioner assembly for the belt and cooling system category
- Maintains correct belt tension for reliable accessory drive performance
- Built with high-quality materials for everyday service use
- Tested for fit and function to match the listed applications
- Supports quieter belt operation when the original tensioner is worn
- Cross-references Dayco 89677 and Four Seasons 39371
Detailed Description
SKP SK39371 is an OE-style accessory drive belt tensioner assembly for GM full-size trucks and SUVs. It is listed for 2014-2018 Chevrolet Silverado 1500, 2014-2018 Chevrolet Silverado 2500, 2015-2020 Cadillac Escalade, 2015-2020 Cadillac Escalade ESV, 2015-2020 Chevrolet Tahoe, 2015-2019 GMC Yukon, 2015-2019 GMC Yukon XL, 2015-2018 GMC Sierra, 2014-2018 GMC Sierra 1500, 2018 Chevrolet Cheyenne, and 2019 GMC Sierra 1500 Limited. This part number, SK39371, is also referenced by Dayco 89677 and Four Seasons 39371 for the same application.
Common Issues It Can Help Address
- Belt squeal caused by weak or inconsistent tension
- Visible belt flutter or vibration at idle
- Reduced accessory drive stability on GM V8 platforms
- Noise from a worn tensioner pulley or spring mechanism
- Uneven belt wear from improper belt tracking
Installation Notes and Tips
Verify the vehicle year, make, and model against the listed fitment before ordering. Inspect the serpentine belt, pulleys, and related accessory drive components during replacement, since worn parts can shorten the service life of the new tensioner. Confirm the mounting location and belt routing match the original setup on your Silverado 1500, Sierra 1500, Tahoe, Yukon, or Escalade application.
Quality Assurance
SKP builds this tensioner assembly with quality materials and tests it for proper fit and operation to support dependable belt tension control in the specified GM applications.
This part fits 49 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2020 | Cadillac | Escalade | 6.2L | V8 | GAS | N/A | |
| 2020 | Cadillac | Escalade ESV | 6.2L | V8 | GAS | N/A | |
| 2020 | Chevrolet | Tahoe | 5.3L | V8 | GAS | N/A | |
| 2019 | Cadillac | Escalade | 6.2L | V8 | GAS | N/A | |
| 2019 | Cadillac | Escalade ESV | 6.2L | V8 | GAS | N/A | |
| 2019 | Chevrolet | Tahoe | 5.3L | V8 | GAS | N/A | |
| 2019 | GMC | Sierra 1500 Limited | 5.3L | V8 | N/A | ||
| 2019 | GMC | Yukon | 5.3L | V8 | FLEX | N/A | |
| 2019 | GMC | Yukon XL | 5.3L | V8 | FLEX | N/A | |
| 2018 | Cadillac | Escalade | 6.2L | V8 | GAS | N/A | |
| 2018 | Cadillac | Escalade ESV | 6.2L | V8 | GAS | N/A | |
| 2018 | Chevrolet | Cheyenne | 5.3L | V8 | GAS | N/A | |
| 2018 | Chevrolet | Silverado 1500 | 5.3L | V8 | GAS | N/A | |
| 2018 | Chevrolet | Silverado 2500 | 5.3L | V8 | GAS | N/A | |
| 2018 | Chevrolet | Tahoe | 5.3L | V8 | GAS | N/A | |
| 2018 | GMC | Sierra | 5.3L | V8 | FLEX | N/A | |
| 2018 | GMC | Sierra 1500 | 5.3L | V8 | FLEX | N/A | |
| 2018 | GMC | Yukon | 5.3L | V8 | FLEX | N/A | |
| 2018 | GMC | Yukon XL | 5.3L | V8 | FLEX | N/A | |
| 2017 | Cadillac | Escalade | 6.2L | V8 | GAS | N/A | |
| 2017 | Cadillac | Escalade ESV | 6.2L | V8 | GAS | N/A | |
| 2017 | Chevrolet | Silverado 1500 | 5.3L | V8 | GAS | N/A | |
| 2017 | Chevrolet | Silverado 2500 | 5.3L | V8 | GAS | N/A | |
| 2017 | Chevrolet | Tahoe | 5.3L | V8 | FLEX | N/A | |
| 2017 | GMC | Sierra | 5.3L | V8 | FLEX | N/A | |
| 2017 | GMC | Sierra 1500 | 5.3L | V8 | FLEX | N/A | |
| 2017 | GMC | Yukon | 5.3L | V8 | FLEX | N/A | |
| 2017 | GMC | Yukon XL | 5.3L | V8 | FLEX | N/A | |
| 2016 | Cadillac | Escalade | 6.2L | V8 | GAS | N/A | |
| 2016 | Cadillac | Escalade ESV | 6.2L | V8 | GAS | N/A | |
| 2016 | Chevrolet | Silverado 1500 | 5.3L | V8 | GAS | N/A | |
| 2016 | Chevrolet | Silverado 2500 | 5.3L | V8 | GAS | N/A | |
| 2016 | Chevrolet | Tahoe | 5.3L | V8 | GAS | N/A | |
| 2016 | GMC | Sierra | 5.3L | V8 | GAS | N/A | |
| 2016 | GMC | Sierra 1500 | 5.3L | V8 | FLEX | N/A | |
| 2016 | GMC | Yukon | 5.3L | V8 | FLEX | N/A | |
| 2016 | GMC | Yukon XL | 5.3L | V8 | FLEX | N/A | |
| 2015 | Cadillac | Escalade | 6.2L | V8 | GAS | N/A | |
| 2015 | Cadillac | Escalade ESV | 6.2L | V8 | GAS | N/A | |
| 2015 | Chevrolet | Silverado 1500 | 5.3L | V8 | GAS | N/A | |
| 2015 | Chevrolet | Silverado 2500 | 5.3L | V8 | GAS | N/A | |
| 2015 | Chevrolet | Tahoe | 5.3L | V8 | GAS | N/A | |
| 2015 | GMC | Sierra | 5.3L | V8 | GAS | N/A | |
| 2015 | GMC | Sierra 1500 | 5.3L | V8 | FLEX | N/A | |
| 2015 | GMC | Yukon | 5.3L | V8 | FLEX | N/A | |
| 2015 | GMC | Yukon XL | 5.3L | V8 | FLEX | N/A | |
| 2014 | Chevrolet | Silverado 1500 | 5.3L | V8 | GAS | N/A | |
| 2014 | Chevrolet | Silverado 2500 | 5.3L | V8 | GAS | N/A | |
| 2014 | GMC | Sierra 1500 | 5.3L | V8 | FLEX | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.