Tensioner Tension Pulley 12597934 For Chevrolet
The DUHUI Bearing 12597934 drive belt idler pulley is an OE-replacement component for Chevrolet Uplander and other GM vehicles equipped with 3.5L and 3.9L V6 engines. This idler pulley routes and stabilizes the serpentine belt in its correct position, preventing belt misalignment and reducing wear on engine components. Manufactured to match original equipment specification 12597934, this pulley delivers reliable performance for compatible GM vehicles.
Technical Specifications
| Specification | Value / Detail |
|---|---|
| DH Code | |
| Part Number | 12597934 |
| Product Type | Drive Belt Idler Pulley |
| Outside Diameter | 76.00 mm (2.992 inch) |
| Width | 38.00 mm (1.496 inch) |
| Bearing Bore Inside Diameter | 17.00 mm (0.669 inch) |
| Contact Surface | Smooth |
| Material | Steel |
| 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:
12597934, 12590374
Reference Numbers (Interchange):
ACDelco: 15-4989
Dayco: 89160
Continental: 49157
Dorman: 419-668
Vehicle Fitment
CHEVROLET: Impala 2006-2011 (3.5L, 3.9L), Malibu 2006-2010 (3.5L, 3.9L), Monte Carlo 2006-2007 (3.5L, 3.9L), Uplander 2006-2008 (3.9L)
BUICK: Lucerne 2009-2011 (3.9L), Terraza 2006-2007 (3.9L)
PONTIAC: G6 2006-2010 (3.5L, 3.9L), Montana 2006 (3.9L)
SATURN: Aura 2007-2008 (3.5L), Relay 2006-2007 (3.9L), Vue 2008-2010 (3.5L)
Please verify OE number, dimensions and vehicle configuration before ordering.
Product Features
- OE-replacement idler pulley for GM 3.5L and 3.9L V6 applications. Matches OEM specification 12597934.
- 76 mm outside diameter and 38 mm width provide exact fitment for the serpentine belt drive system.
- 17 mm bearing bore matches original equipment specifications.
- Smooth contact surface design ensures proper belt routing and stability.
- Steel construction with sealed ball bearing ensures durability and long service life.
Installation Notes
- Verify the 76 mm outside diameter and 38 mm width match your original idler pulley before installation.
- Inspect the serpentine belt for wear or damage before installing the new pulley.
- Torque the mounting bolt to manufacturer specifications (refer to service manual).
- After installation, verify proper belt routing and check for smooth pulley rotation.
- This idler pulley is designed for GM 3.5L and 3.9L engines – 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
