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Dayco 89268 Accessory Drive Belt Tensioner Assembly
| Brand | Dayco 89268 |
|---|---|
| Belt Type | Serpentine |
| Direction | Clock Wise |
| Number of Pulleys | 1 |
| Pulley 1 Diameter | 70 |
| Pulley 1 Flat | Y |
| Pulley 1 Width | 27 |
| Type | Automatic |
| Fits | Chevrolet and GMC · 4 vehicles |
Automatic tensioner. Maintains proper serpentine belt tension for consistent drive performance.
Single-pulley design. Simplifies the accessory drive belt system with one integrated pulley.
Serpentine belt compatible. Built for smooth operation in accessory drive applications.
Cross-references ACDelco 38136, CARQUEST 38136 and Duralast 305268 for the same application. See all 12.
Dayco 89268 Accessory Drive Belt Tensioner Assembly
The Dayco 89268 accessory drive belt tensioner assembly is an automatic serpentine belt tensioner built for consistent belt control in select GM truck applications. It is a direct-fit service part for 2001 Chevrolet Silverado 2500 HD, 2001 Chevrolet Silverado 3500, 2001 GMC Sierra 2500 HD, and 2001 GMC Sierra 3500 models.
Key Features
- Automatic accessory drive belt tensioner assembly for serpentine belt systems
- Clockwise rotation
- Single pulley design
- 70 mm pulley diameter with a 27 mm pulley width
- Flat pulley surface for proper belt tracking
- Direct replacement for select 2001 Chevrolet Silverado and GMC Sierra heavy-duty trucks
Detailed Description
Built for the accessory drive belt system, the Dayco 89268 helps maintain proper serpentine belt tension as engine speed and load change. Its automatic design supports steady belt engagement, while the clockwise rotation and flat 70 mm pulley are specified for the listed applications. This part number 89268 is a fitment-specific replacement for 2001 Chevrolet Silverado 2500 HD and Silverado 3500, as well as 2001 GMC Sierra 2500 HD and Sierra 3500 models.
This part cross-references ACDelco 38136 and Gates 38136 for the same application.
What It Helps Address
- Serpentine belt slack
- Belt squeal from inconsistent tension
- Accessory drive belt tracking issues
- Reduced belt control under changing engine loads
- Wear related to a failing automatic tensioner assembly
Installation Notes and Tips
Verify pulley direction, diameter, and belt routing before installation. Confirm the vehicle application against the listed fitment for 2001 Chevrolet Silverado 2500 HD, Silverado 3500, Sierra 2500 HD, and Sierra 3500 models. Inspect the serpentine belt, idler pulleys, and related accessory drive components at the same time to help ensure proper system operation. Use the correct service procedure for the engine and belt layout on the vehicle.
Quality Assurance
Dayco is a recognized name in belt drive system components, and this tensioner assembly is built to meet the specifications required for the listed GM heavy-duty truck applications.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2001 | Chevrolet | Silverado 2500 HD | 6.6L | V8 | N/A | — |
| 2001 | Chevrolet | Silverado 3500 | 6.6L | V8 | N/A | — |
| 2001 | GMC | Sierra 2500 HD | 6.6L | V8 | N/A | — |
| 2001 | GMC | Sierra 3500 | 6.6L | V8 | N/A | — |
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