Tensioner 12563083 For Buick Chevrolet
The DUHUI Bearing 12563083 drive belt tensioner is an OE-replacement component for a wide range of GM vehicles equipped with 3.1L and 3.4L V6 engines. This tensioner maintains proper serpentine belt tension across the accessory drive system, preventing belt slip and reducing wear on engine components. Manufactured to match original equipment specification 12563083, this tensioner delivers reliable performance for compatible Buick and Chevrolet vehicles.
Technical Specifications
| Specification | Value / Detail |
|---|---|
| DH Code | |
| Part Number | 12563083 |
| Product Type | Belt Tensioner |
| Outside Diameter | 80.00 mm (3.150 inch) |
| Width | 26.00 mm (1.024 inch) |
| Belt Type | Serpentine |
Important: All information on this page is for reference only. Please verify OE numbers, dimensions, and vehicle fitment against your original part before ordering. Contact us for fitment confirmation.
DH Code & OE Numbers & Reference Numbers
DH Code:
OE Numbers:
12563083, 534009410
Reference Numbers (Interchange):
Gates: 38104
Dayco: 89241
ACDelco: 12563083
Vehicle Fitment
BUICK CENTURY: 3.1L 1996-2005
Additional compatible models (verify before ordering):
CHEVROLET: Alero 3.4L V6 1999-2004
PONTIAC: Grand Am 3.4L V6 1999-2004
OLDSMOBILE: Alero 3.4L V6 1999-2004
Engine Compatibility: 3.1L V6 (LG8), 3.4L V6 (LA1)
Please verify OE number, dimensions and vehicle configuration before ordering.
Product Features
- OE-replacement belt tensioner for GM 3.1L and 3.4L V6 applications. Matches OEM specification 12563083.
- 80 mm outside diameter and 26 mm width provide exact fitment for the serpentine belt drive system.
- Spring-loaded automatic tensioning mechanism maintains optimal belt tension as the belt stretches over time.
- Precision-engineered bearing ensures smooth rotation and consistent belt tension.
- Durable construction ensures long service life and reliable performance.
Installation Notes
- Verify the 80 mm outside diameter and 26 mm width match your original tensioner before installation.
- Inspect the serpentine belt for wear or damage before installing the new tensioner.
- Torque the mounting bolt to manufacturer specifications (refer to service manual).
- After installation, verify proper belt tension and check for smooth pulley rotation.
- This tensioner is compatible with GM 60-degree V6 engine families – confirm belt routing matches your vehicle’s specific configuration.
About DUHUI Bearing
Manufactured by DUHUI Bearing – an automotive bearing supplier established in Zhejiang, China, in 2003. DUHUI produces tensioners and automotive bearings to OE specifications. Contact us
