Tensioner Tension Pulley 12570869 For Cadillac
The DUHUI Bearing 12570869 tensioner pulley is an OE-replacement idler pulley designed for Cadillac SRX and STS with the 4.6L Northstar V8 engine. This belt idler pulley maintains proper belt tension across the accessory drive system, preventing belt slip and reducing wear on engine components. Manufactured to match original equipment specifications including 12570869 and 12604688, this tensioner pulley delivers reliable performance for compatible Cadillac applications.
Technical Specifications
| Specification | Value / Detail |
|---|---|
| DH Code | |
| Part Number | 12570869 |
| Product Type | Belt Tensioner Pulley / Idler Pulley |
| Application | Accessory Drive System |
| Pulley Outside Diameter | 70.00 mm (2.756 inch) |
| Pulley Width | 24.00 mm (0.945 inch) |
| Bearing Inner Diameter | 17.00 mm (0.669 inch) |
| Bearing Width | 17.50 mm (0.689 inch) |
| Vehicle Application | Cadillac SRX 4.6L AWD |
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:
12570869, 12604688
Reference Numbers (Interchange):
GM: 12570869, 12604688
Vehicle Fitment
CADILLAC SRX: 4.6L V8 Northstar 2004-2009
CADILLAC SRX: 4.6L V8 AWD 2003-2009
CADILLAC STS: 4.6L V8 2005-2010
Engine Compatibility: GM Northstar LH2 (4.6L V8)
Please verify OE number, dimensions and vehicle configuration before ordering.
Product Features
- OE-replacement tensioner idler pulley for Cadillac 4.6L Northstar applications. Matches OEM specifications 12570869 and 12604688.
- 70.00 mm outer diameter and 24.00 mm width provide exact fitment for the accessory drive system.
- 17.00 mm bearing inner diameter with 17.50 mm bearing width ensures proper mounting and smooth rotation.
- Precision-engineered bearing ensures smooth rotation and long service life.
- Durable construction withstands accessory drive loads and operating conditions.
Installation Notes
- Verify the 70.00 mm outer diameter matches your original tensioner pulley before installation.
- Check that the 17.00 mm bearing inner diameter and 24.00 mm pulley width are correct for your application.
- Inspect the serpentine belt for wear or damage before installing the new tensioner pulley.
- Torque the mounting bolt to manufacturer specifications (refer to service manual).
- After installation, verify proper belt tension and check for smooth rotation.
About DUHUI Bearing
Manufactured by DUHUI Bearing – an automotive bearing supplier established in Zhejiang, China, in 2003. DUHUI produces tensioner pulleys and automotive bearings to OE specifications. Contact us
