Tensioner 12580196 For Cadillac
The DUHUI Bearing 12580196 drive belt tensioner is an OE-replacement component for a wide range of GM trucks and SUVs built on the GMT800 platform, including the Cadillac Escalade, Chevrolet Silverado, and GMC Sierra. 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 12580196, this tensioner delivers reliable performance for compatible GM vehicles.
Technical Specifications
| Specification | Value / Detail |
|---|---|
| DH Code | |
| Part Number | 12580196 |
| Product Type | Drive Belt Tensioner |
| Mount Hole Diameter | 11.50 mm (0.453 inch) |
| Pulley Center Bore Diameter | 12.00 mm (0.472 inch) |
| Pulley Width | 21.08 mm (0.830 inch) |
| Pulley Outside Diameter | 60.96 mm (2.400 inch) |
| Material | Steel, Aluminum |
| 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:
12580196, 12562065, 12565372
Reference Numbers (Interchange):
ACDelco: 12580196
Continental: 49150
Autotecnica: GM1413171
Dorman: 419-109
Vehicle Fitment
CADILLAC ESCALADE: 2002-2008
Additional compatible models (verify before ordering):
BUICK: Rainier 2004-2007
CHEVROLET: Avalanche 2002-2008, Express 2003-2008, Silverado 1500 1999-2008, Silverado 2500 1999-2008, Silverado 3500 2001-2008, SSR 2003-2006, Suburban 2000-2008, Tahoe 2000-2008, Trailblazer 2003-2009
GMC: Envoy 2003-2009, Savana 2003-2008, Sierra 1500 1999-2008, Sierra 2500 1999-2008, Sierra 3500 2001-2008, Yukon 2000-2008, Yukon Denali 2001-2008
HUMMER: H2 2003-2008
ISUZU: Ascender 2003-2008
OLDSMOBILE: Bravada 2003-2004
SAAB: 9-7X 2005-2009
Engine Compatibility: 5.3L V8, 6.0L V8 – LM7, LQ4, LQ9
Please verify OE number, dimensions and vehicle configuration before ordering.
Product Features
- OE-replacement belt tensioner for GM GMT800 platform vehicles. Matches OEM specification 12580196.
- Mount hole diameter of 11.5 mm and pulley center bore of 12 mm ensure exact fitment to the engine accessory drive system.
- Spring-loaded automatic tensioning mechanism maintains optimal belt tension as the belt stretches over time.
- Steel and aluminum construction ensures durability and consistent belt tension across the engine operating range.
- Precision-engineered bearing ensures smooth rotation and long service life.
Installation Notes
- Verify the mount hole diameter (11.5 mm) and pulley center bore (12 mm) 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 the GM LS-family V8 engines on the GMT800 platform – 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
