Tensioner 12585551 For Opel
The DUHUI Bearing 12585551 drive belt tensioner is an OE-replacement component for Opel GT 2.0L Ecotec applications. 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 specifications including 12585551, 12595289, and 12560345, this tensioner delivers reliable performance for compatible General Motors vehicles.
Technical Specifications
| Specification | Value / Detail |
|---|---|
| DH Code | |
| Part Number | 12585551 |
| Product Type | Belt Tensioner |
| Bearing Bore Inside Diameter | 17.00 mm (0.669 inch) |
| Outside Diameter | 65.00 mm (2.559 inch) |
| Pulley Width | 24.00 mm (0.945 inch) |
| Mount Hole Diameter | 8.30 mm (0.327 inch) |
| Belt Type | Serpentine |
| Material | Aluminum / Steel |
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:
12585551, 12560345, 12595289, 12568980, 12555425
Reference Numbers (Interchange):
Dayco: 89339
TRQ: BPA03784
ACDelco: 12585551
Continental: 49403
Gates: 36220
Vehicle Fitment
OPEL GT Convertible (M07): 2.0 (G67) 2007-2011
CADILLAC CTS: 2004-2007
PONTIAC SOLSTICE: 2006-2009
SATURN SKY: 2007-2010
Please verify OE number, dimensions and vehicle configuration before ordering.
Product Features
- OE-replacement belt tensioner for Opel GT 2.0L applications. Matches OEM specifications including 12585551, 12595289, and 12560345.
- 65 mm outside diameter and 17 mm bearing bore provide exact fitment for the accessory drive system.
- 24 mm pulley width ensures proper belt contact and tension distribution.
- Aluminum and steel construction ensures durability and consistent belt tension across the engine operating range.
- Automatic tensioning mechanism maintains optimal belt tension as the belt stretches over time.
Installation Notes
- Verify the 65 mm outside diameter and 17 mm bearing bore match your original tensioner before installation.
- Inspect the serpentine belt for wear or glazing 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 Ecotec LNF and LHU 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
