Tensioner 11281433571 For BMW

The DUHUI Bearing 11281433571 drive belt tensioner is an OE-replacement component for BMW 3 Series E46 and other compatible BMW models equipped with M52, M54, and M56 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 11281433571, this tensioner delivers reliable performance for compatible BMW vehicles.
Technical Specifications
| Specification | Value / Detail |
|---|---|
| DH Code | |
| Part Number | 11281433571 |
| Product Type | Belt Tensioner |
| Width | 26.00 mm (1.024 inch) |
| Outer Diameter | 70.00 mm (2.756 inch) / 78.00 mm (3.071 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:
11281433571, 1433571
Reference Numbers (Interchange):
BMW: 11281433571, 11281742857
Continental: 49018
Gates: T39215
Dayco: 89082
Vehicle Fitment
BMW 3 SERIES (E46): 316i, 318i, 320i, 323i, 325i, 328i, 330i 1998-2005
Additional compatible models (verify before ordering):
BMW: 5 Series (E39) 1998-2003, X5 (E53) 2000-2006, Z3 1999-2002, Z4 2003-2005
Engine Compatibility: M52, M52TU, M54, M56
Please verify OE number, dimensions and vehicle configuration before ordering.
Product Features
- OE-replacement belt tensioner for BMW 3 Series E46 applications. Matches OEM specification 11281433571.
- 70 mm and 78 mm outer diameter options provide exact fitment for the serpentine belt drive system.
- 26 mm width ensures proper belt alignment and tension distribution.
- 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.
Installation Notes
- Verify the width (26 mm) and outer diameter (70 mm or 78 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 the BMW E46 service manual).
- After installation, verify proper belt tension and check for smooth pulley rotation.
- This tensioner is compatible with BMW M52, M54, and M56 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

