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DaycoPart #: 89225
Dayco 89225 Accessory Drive Belt Tensioner Assembly
⚙️ 75 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$42.45Free Shipping
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✅OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet and GMC, G30, G3500, Astro, G10, G20, G1500, G2500, and Safari
🔄Easy Returns — Return within 60 days for a full refund
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Not what you need? Click here for all Accessory Drive Belt Tensioner Assembly options
Overview of Dayco Accessory Drive Belt Tensioner Assembly 89225
The Dayco 89225 accessory drive belt tensioner assembly is designed for reliable serpentine belt tensioning in select Chevrolet and GMC vehicles. This automatic tensioner ensures consistent belt tension and smooth operation for your vehicle's accessory drive system.
- Compatible with Chevrolet Astro, GMC G10, G20, G30, and Safari models
- Serpentine belt type tensioner assembly
- Clockwise direction operation
- Single pulley design with a 90mm diameter
- Pulley width of 27mm with a flat surface
- Automatic tensioner type for maintenance-free performance
Detailed Product Description
The Dayco 89225 accessory drive belt tensioner assembly is engineered to maintain optimal tension on serpentine belts in Chevrolet Astro and GMC G-series vans including G10, G20, G30, and Safari models. Featuring a single pulley with a 90mm diameter and 27mm width, this tensioner supports smooth belt tracking and reduces wear. The pulley’s flat surface design helps maintain proper belt alignment, while the automatic tensioner mechanism adjusts tension dynamically to accommodate belt stretch and engine vibrations. The clockwise direction of operation matches the original equipment specifications for these vehicles, ensuring proper fit and function.
Common Applications and Problem Resolution
- Prevents belt slippage and squealing noises
- Reduces premature belt wear and extends belt life
- Maintains consistent accessory drive performance
- Eliminates manual tension adjustments
- Addresses issues related to belt misalignment and tension loss
Installation Notes and Tips
- Verify vehicle compatibility with Chevrolet Astro or GMC G10, G20, G30, or Safari before installation
- Ensure the serpentine belt is properly routed according to manufacturer specifications
- Use appropriate tools to release tension safely during removal and installation
- Inspect the belt and other drive components for wear when replacing the tensioner
- Follow torque specifications for mounting bolts to avoid damage
Quality Assurance and Warranty
Dayco manufactures the 89225 accessory drive belt tensioner assembly to meet or exceed OEM standards for durability and performance. This part undergoes rigorous quality control to ensure reliable operation in Chevrolet and GMC vehicles. Warranty coverage details should be confirmed with the original product documentation or authorized distributors.
| Brand | Dayco |
| Part Number | 89225 |
| Belt Type | Serpentine |
| Direction | Clock Wise |
| Number of Pulleys | 1 |
| Pulley 1 Diameter | 90 |
| Pulley 1 Flat | Y |
| Pulley 1 Width | 27 |
| Type | Automatic |
This part fits 75 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1996 | Chevrolet | G30 | 4.3L | V6 | N/A | Compatible with vehicles containing air conditioning. |
| 1996 | Chevrolet | G30 | 5.7L | V8 | N/A | Compatible with vehicles containing air conditioning. |
| 1996 | GMC | G3500 | 5.7L | V8 | N/A | Compatible with vehicles containing air conditioning. |
| 1995 | Chevrolet | Astro | N/A | Compatible with vehicles containing air conditioning. | ||
| 1995 | Chevrolet | G10 | 4.3L | V6 | N/A | Compatible with vehicles containing air conditioning. |
| 1995 | Chevrolet | G10 | 5.0L | V8 | N/A | Compatible with vehicles containing air conditioning. |
| 1995 | Chevrolet | G20 | 4.3L | V6 | N/A | Compatible with vehicles containing air conditioning. |
| 1995 | Chevrolet | G20 | 5.7L | V8 | N/A | Compatible with vehicles containing air conditioning. |
| 1995 | Chevrolet | G20 | 5.0L | V8 | N/A | Compatible with vehicles containing air conditioning. |
| 1995 | Chevrolet | G30 | 4.3L | V6 | N/A | Compatible with vehicles containing air conditioning. |
| 1995 | Chevrolet | G30 | 5.7L | V8 | N/A | Compatible with vehicles containing air conditioning. |
| 1995 | GMC | G1500 | 4.3L | V6 | N/A | Compatible with vehicles containing air conditioning. |
| 1995 | GMC | G1500 | 5.0L | V8 | N/A | Compatible with vehicles containing air conditioning. |
| 1995 | GMC | G2500 | 4.3L | V6 | N/A | Compatible with vehicles containing air conditioning. |
| 1995 | GMC | G2500 | 5.7L | V8 | N/A | Compatible with vehicles containing air conditioning. |
| 1995 | GMC | G2500 | 5.0L | V8 | N/A | Compatible with vehicles containing air conditioning. |
| 1995 | GMC | G3500 | 4.3L | V6 | N/A | Compatible with vehicles containing air conditioning. |
| 1995 | GMC | G3500 | 5.7L | V8 | N/A | Compatible with vehicles containing air conditioning. |
| 1995 | GMC | Safari | N/A | Compatible with vehicles containing air conditioning. | ||
| 1994 | Chevrolet | Astro | N/A | Compatible with vehicles containing air conditioning. | ||
| 1994 | Chevrolet | G10 | 4.3L | V6 | N/A | Compatible with vehicles containing air conditioning. |
| 1994 | Chevrolet | G10 | 5.0L | V8 | N/A | Compatible with vehicles containing air conditioning. |
| 1994 | Chevrolet | G20 | 4.3L | V6 | N/A | Compatible with vehicles containing air conditioning. |
| 1994 | Chevrolet | G20 | 5.7L | V8 | N/A | Compatible with vehicles containing air conditioning. |
| 1994 | Chevrolet | G20 | 5.0L | V8 | N/A | Compatible with vehicles containing air conditioning. |
| 1994 | Chevrolet | G30 | 4.3L | V6 | N/A | Compatible with vehicles containing air conditioning. |
| 1994 | Chevrolet | G30 | 5.7L | V8 | N/A | Compatible with vehicles containing air conditioning. |
| 1994 | GMC | G1500 | 4.3L | V6 | N/A | Compatible with vehicles containing air conditioning. |
| 1994 | GMC | G1500 | 5.0L | V8 | N/A | Compatible with vehicles containing air conditioning. |
| 1994 | GMC | G2500 | 4.3L | V6 | N/A | Compatible with vehicles containing air conditioning. |
| 1994 | GMC | G2500 | 5.7L | V8 | N/A | Compatible with vehicles containing air conditioning. |
| 1994 | GMC | G2500 | 5.0L | V8 | N/A | Compatible with vehicles containing air conditioning. |
| 1994 | GMC | G3500 | 4.3L | V6 | N/A | Compatible with vehicles containing air conditioning. |
| 1994 | GMC | G3500 | 5.7L | V8 | N/A | Compatible with vehicles containing air conditioning. |
| 1994 | GMC | Safari | N/A | Compatible with vehicles containing air conditioning. | ||
| 1993 | Chevrolet | Astro | N/A | Compatible with vehicles containing air conditioning. | ||
| 1993 | Chevrolet | G10 | 4.3L | V6 | N/A | Compatible with vehicles containing air conditioning. |
| 1993 | Chevrolet | G10 | 5.7L | V8 | N/A | Compatible with vehicles containing air conditioning. |
| 1993 | Chevrolet | G10 | 5.0L | V8 | N/A | Compatible with vehicles containing air conditioning. |
| 1993 | Chevrolet | G20 | 4.3L | V6 | N/A | Compatible with vehicles containing air conditioning. |
| 1993 | Chevrolet | G20 | 5.7L | V8 | N/A | Compatible with vehicles containing air conditioning. |
| 1993 | Chevrolet | G20 | 5.0L | V8 | N/A | Compatible with vehicles containing air conditioning. |
| 1993 | Chevrolet | G30 | 4.3L | V6 | N/A | Compatible with vehicles containing air conditioning. |
| 1993 | Chevrolet | G30 | 5.7L | V8 | N/A | Compatible with vehicles containing air conditioning. |
| 1993 | GMC | G1500 | 4.3L | V6 | N/A | Compatible with vehicles containing air conditioning. |
| 1993 | GMC | G1500 | 5.7L | V8 | N/A | Compatible with vehicles containing air conditioning. |
| 1993 | GMC | G1500 | 5.0L | V8 | N/A | Compatible with vehicles containing air conditioning. |
| 1993 | GMC | G2500 | 4.3L | V6 | N/A | Compatible with vehicles containing air conditioning. |
| 1993 | GMC | G2500 | 5.7L | V8 | N/A | Compatible with vehicles containing air conditioning. |
| 1993 | GMC | G2500 | 5.0L | V8 | N/A | Compatible with vehicles containing air conditioning. |
| 1993 | GMC | G3500 | 4.3L | V6 | N/A | Compatible with vehicles containing air conditioning. |
| 1993 | GMC | G3500 | 5.7L | V8 | N/A | Compatible with vehicles containing air conditioning. |
| 1993 | GMC | Safari | N/A | Compatible with vehicles containing air conditioning. | ||
| 1992 | Chevrolet | Astro | N/A | Compatible with vehicles containing air conditioning. | ||
| 1992 | Chevrolet | G10 | 4.3L | V6 | N/A | Compatible with vehicles containing air conditioning. |
| 1992 | Chevrolet | G10 | 5.7L | V8 | N/A | Compatible with vehicles containing air conditioning. |
| 1992 | Chevrolet | G10 | 5.0L | V8 | N/A | Compatible with vehicles containing air conditioning. |
| 1992 | Chevrolet | G20 | 4.3L | V6 | N/A | Compatible with vehicles containing air conditioning. |
| 1992 | Chevrolet | G20 | 5.7L | V8 | N/A | Compatible with vehicles containing air conditioning. |
| 1992 | Chevrolet | G20 | 5.0L | V8 | N/A | Compatible with vehicles containing air conditioning. |
| 1992 | Chevrolet | G30 | 4.3L | V6 | N/A | Compatible with vehicles containing air conditioning. |
| 1992 | Chevrolet | G30 | 5.7L | V8 | N/A | Compatible with vehicles containing air conditioning. |
| 1992 | GMC | G1500 | 4.3L | V6 | N/A | Compatible with vehicles containing air conditioning. |
| 1992 | GMC | G1500 | 5.7L | V8 | N/A | Compatible with vehicles containing air conditioning. |
| 1992 | GMC | G1500 | 5.0L | V8 | N/A | Compatible with vehicles containing air conditioning. |
| 1992 | GMC | G2500 | 4.3L | V6 | N/A | Compatible with vehicles containing air conditioning. |
| 1992 | GMC | G2500 | 5.7L | V8 | N/A | Compatible with vehicles containing air conditioning. |
| 1992 | GMC | G2500 | 5.0L | V8 | N/A | Compatible with vehicles containing air conditioning. |
| 1992 | GMC | G3500 | 4.3L | V6 | N/A | Compatible with vehicles containing air conditioning. |
| 1992 | GMC | G3500 | 5.7L | V8 | N/A | Compatible with vehicles containing air conditioning. |
| 1992 | GMC | Safari | N/A | Compatible with vehicles containing air conditioning. | ||
| 1991 | Chevrolet | Astro | N/A | Compatible with vehicles containing air conditioning. | ||
| 1991 | GMC | Safari | N/A | Compatible with vehicles containing air conditioning. | ||
| 1990 | Chevrolet | Astro | 4.3L | V6 | N/A | Compatible with vehicles containing air conditioning. |
| 1990 | GMC | Safari | 4.3L | V6 | N/A | Compatible with vehicles containing air conditioning. |
* 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:
38107
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.