Tensioner Tension Pulley 89017

The DUHUI Bearing 89017 drive belt tensioner pulley is an OE-spec replacement component for the accessory drive belt system on select Mercedes-Benz and Volkswagen Group models. This tensioner pulley maintains proper serpentine belt tension, ensuring reliable alternator, air conditioning compressor, and power steering pump operation. Manufactured to match original equipment specifications including 89017 and 38015, this unit delivers reliable performance for European passenger car applications.
Technical Specifications
| Specification | Value / Detail |
|---|---|
| DH Code | |
| Part Number | 89017 |
| Outer Diameter | 76.00 mm (2.992 inch) |
| Inner Diameter (Bore) | 17.00 mm (0.669 inch) |
| Width | 26.00 mm (1.024 inch) |
| Product Type | Belt Tensioner / Tensioner Pulley |
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: 89017, 38015, LZ7024
Reference Numbers (Interchange):
INA: LZ7024
SKF: VKM31001
GATES: T38194
CONTINENTAL: V-3568
Vehicle Fitment
This drive belt tensioner pulley is compatible with a range of Mercedes-Benz and VW Group models:
MERCEDES-BENZ: Various models equipped with compatible accessory drive systems
VOLKSWAGEN GROUP: Audi, Volkswagen, SEAT, Škoda models with applicable pulley specifications
Please verify OE number, dimensions and vehicle configuration before ordering.
Product Features
- Direct OE replacement for Mercedes-Benz and VW Group applications with 89017 / 38015.
- Designed for accessory drive belt (serpentine belt) tensioning, maintaining proper belt tension for alternator, A/C compressor, and power steering pump operation.
- Cross-references with multiple leading brands including INA LZ7024, SKF VKM31001, and GATES T38194 for easy interchangeability in the aftermarket.
- Precision spring-loaded mechanism automatically adjusts belt tension as the belt stretches over time.
- OE-compatible replacement for original part numbers 89017, 38015, and LZ7024.
Installation Notes
- This tensioner pulley is designed for the accessory drive belt system on compatible European passenger car applications.
- Before removal, locate the OE belt routing diagram under the hood or make a sketch of the belt path.
- Use a long-handled wrench or serpentine belt tool to safely relieve spring tension – never cut or pry the belt off while under tension.
- When replacing the pulley, it is recommended to inspect the serpentine belt for wear and replace it if necessary.
- Ensure the mounting surface is clean and free of debris before installing the new unit.
- Torque mounting bolt to manufacturer specifications – verify appropriate torque for your specific engine application.
- After installation, ensure the belt is properly seated in all pulley grooves and tracking correctly. Start engine briefly, shut off, and recheck belt alignment.
About DUHUI Bearing
Manufactured by DUHUI Bearing – an automotive bearing supplier established in Zhejiang, China, in 2003. DUHUI produces tensioner pulleys and wheel bearing assemblies to OE specifications. Contact us

