OE Quality
60-Day Returns

INA ED-91052 Engine Timing Belt Tensioner Hydraulic Assembly
Reliable Engine Timing Belt Tensioner for Audi and Volkswagen
The INA ED-91052 Engine Timing Belt Tensioner Hydraulic Assembly is designed to maintain optimal tension in the timing belt system of select Audi and Volkswagen models. This component ensures precise timing belt operation, contributing to engine performance and longevity.
- Hydraulic assembly for consistent tension control
- Compatible with Audi A4, A4 Quattro, A6, A6 Quattro, Allroad Quattro, S4, and Volkswagen Passat
- Durable construction to withstand engine operating conditions
- Direct replacement for original equipment part number ED-91052
- Supports proper valve train timing and reduces belt slippage
Product Details and Functionality
The INA ED-91052 timing belt tensioner hydraulic assembly is engineered to provide stable and accurate tension to the timing belt, which is critical for synchronizing the camshaft and crankshaft rotation. This tensioner uses hydraulic pressure to adjust tension dynamically, compensating for belt stretch and wear over time. It is specifically designed for use in various Audi and Volkswagen models, including the Audi A4 and A6 series with Quattro all-wheel drive, as well as the Volkswagen Passat. Proper tensioning helps prevent premature belt failure and maintains engine timing integrity.
Compatible Vehicles and Applications
- Audi A4 and A4 Quattro
- Audi A6 and A6 Quattro
- Audi Allroad Quattro
- Audi S4
- Volkswagen Passat
Common Issues Addressed by This Timing Belt Tensioner
- Eliminates timing belt slack that can cause engine misfires
- Prevents premature timing belt wear and potential breakage
- Reduces noise caused by improper belt tension
- Maintains accurate valve timing for optimal engine performance
- Helps avoid costly engine damage due to timing belt failure
Installation Notes and Tips
When installing the INA ED-91052 tensioner, ensure the timing belt is properly aligned and tensioned according to manufacturer specifications. It is recommended to replace the timing belt and tensioner assembly simultaneously to maintain system integrity. Use appropriate tools to avoid damage to the hydraulic assembly during installation. Verify tensioner operation after installation by rotating the engine manually before starting.
Quality Assurance and Warranty
INA manufactures this timing belt tensioner hydraulic assembly to meet or exceed OEM standards for fit and function. The part number ED-91052 is a direct replacement designed for durability and reliable performance. While specific warranty details are not provided, INA products typically come with manufacturer-backed quality assurance to support long-term use in Audi and Volkswagen vehicles.
This part fits 50 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2005 | Audi | Allroad Quattro | 2.7L | V6 | N/A | INA Global Number 533 0034 200; Adjuster |
| 2005 | Volkswagen | Passat | 2.8L | V6 | N/A | INA Global Number 533 0034 200; Adjuster |
| 2004 | Audi | A6 Quattro | 2.7L | V6 | N/A | INA Global Number 533 0034 200; Adjuster |
| 2004 | Audi | Allroad Quattro | 2.7L | V6 | N/A | INA Global Number 533 0034 200; Adjuster |
| 2004 | Volkswagen | Passat | 2.8L | V6 | N/A | INA Global Number 533 0034 200; Adjuster |
| 2003 | Audi | A6 Quattro | 2.7L | V6 | N/A | INA Global Number 533 0034 200; Adjuster |
| 2003 | Audi | Allroad Quattro | 2.7L | V6 | N/A | INA Global Number 533 0034 200; Adjuster |
| 2003 | Volkswagen | Passat | 2.8L | V6 | N/A | INA Global Number 533 0034 200; Adjuster |
| 2002 | Audi | A6 Quattro | 2.7L | V6 | N/A | INA Global Number 533 0034 200; Adjuster |
| 2002 | Audi | Allroad Quattro | 2.7L | V6 | N/A | INA Global Number 533 0034 200; Adjuster |
| 2002 | Audi | S4 | 2.7L | V6 | N/A | INA Global Number 533 0034 200; Adjuster |
| 2002 | Volkswagen | Passat | 2.8L | V6 | N/A | INA Global Number 533 0034 200; Adjuster |
| 2001 | Audi | A4 | 2.8L | V6 | N/A | INA Global Number 533 0034 200; Adjuster |
| 2001 | Audi | A4 Quattro | 2.8L | V6 | N/A | INA Global Number 533 0034 200; Adjuster |
| 2001 | Audi | A6 | 2.8L | V6 | N/A | INA Global Number 533 0034 200; Adjuster |
| 2001 | Audi | A6 Quattro | 2.7L | V6 | N/A | INA Global Number 533 0034 200; Adjuster |
| 2001 | Audi | A6 Quattro | 2.8L | V6 | N/A | INA Global Number 533 0034 200; Adjuster |
| 2001 | Audi | Allroad Quattro | 2.7L | V6 | N/A | INA Global Number 533 0034 200; Adjuster |
| 2001 | Audi | S4 | 2.7L | V6 | N/A | INA Global Number 533 0034 200; Adjuster |
| 2001 | Volkswagen | Passat | 2.8L | V6 | N/A | INA Global Number 533 0034 200; Adjuster |
| 2000 | Audi | A4 | 2.8L | V6 | N/A | INA Global Number 533 0034 200; Adjuster |
| 2000 | Audi | A4 | 2.8L | V6 | N/A | INA Global Number 533 0034 200; Adjuster; Belt Tensioner |
| 2000 | Audi | A4 Quattro | 2.8L | V6 | N/A | INA Global Number 533 0034 200; Adjuster; Belt Tensioner |
| 2000 | Audi | A4 Quattro | 2.8L | V6 | N/A | INA Global Number 533 0034 200; Adjuster |
| 2000 | Audi | A6 | 2.8L | V6 | N/A | INA Global Number 533 0034 200; Adjuster |
| 2000 | Audi | A6 | 2.8L | V6 | N/A | INA Global Number 533 0034 200; Adjuster; Belt Tensioner |
| 2000 | Audi | A6 Quattro | 2.7L | V6 | N/A | INA Global Number 533 0034 200; Adjuster |
| 2000 | Audi | A6 Quattro | 2.8L | V6 | N/A | INA Global Number 533 0034 200; Adjuster |
| 2000 | Audi | A6 Quattro | 2.8L | V6 | N/A | INA Global Number 533 0034 200; Adjuster; Belt Tensioner |
| 2000 | Audi | S4 | 2.7L | V6 | N/A | INA Global Number 533 0034 200; Adjuster |
| 2000 | Volkswagen | Passat | 2.8L | V6 | N/A | INA Global Number 533 0034 200; Adjuster |
| 1999 | Audi | A4 | 2.8L | V6 | N/A | INA Global Number 533 0034 200; Adjuster |
| 1999 | Audi | A4 | 2.8L | V6 | N/A | INA Global Number 533 0034 200; Adjuster; Belt Tensioner |
| 1999 | Audi | A4 Quattro | 2.8L | V6 | N/A | INA Global Number 533 0034 200; Adjuster |
| 1999 | Audi | A4 Quattro | 2.8L | V6 | N/A | INA Global Number 533 0034 200; Adjuster; Belt Tensioner |
| 1999 | Audi | A6 | 2.8L | V6 | N/A | INA Global Number 533 0034 200; Adjuster; Belt Tensioner |
| 1999 | Audi | A6 | 2.8L | V6 | N/A | INA Global Number 533 0034 200; Adjuster |
| 1999 | Audi | A6 Quattro | 2.8L | V6 | N/A | INA Global Number 533 0034 200; Adjuster |
| 1999 | Audi | A6 Quattro | 2.8L | V6 | N/A | INA Global Number 533 0034 200; Adjuster; Belt Tensioner |
| 1999 | Volkswagen | Passat | 2.8L | V6 | N/A | INA Global Number 533 0034 200; Adjuster |
| 1998 | Audi | A4 | 2.8L | V6 | N/A | INA Global Number 533 0034 200; Adjuster; Belt Tensioner |
| 1998 | Audi | A4 | 2.8L | V6 | N/A | INA Global Number 533 0034 200; Adjuster |
| 1998 | Audi | A4 Quattro | 2.8L | V6 | N/A | INA Global Number 533 0034 200; Adjuster |
| 1998 | Audi | A4 Quattro | 2.8L | V6 | N/A | INA Global Number 533 0034 200; Adjuster; Belt Tensioner |
| 1998 | Audi | A6 | 2.8L | V6 | N/A | INA Global Number 533 0034 200; Adjuster |
| 1998 | Audi | A6 | 2.8L | V6 | N/A | INA Global Number 533 0034 200; Adjuster; Belt Tensioner |
| 1998 | Audi | A6 Quattro | 2.8L | V6 | N/A | INA Global Number 533 0034 200; Adjuster |
| 1998 | Audi | A6 Quattro | 2.8L | V6 | N/A | INA Global Number 533 0034 200; Adjuster; Belt Tensioner |
| 1998 | Volkswagen | Passat | 2.8L | V6 | N/A | INA Global Number 533 0034 200; Adjuster |
| 1997 | Audi | A4 | 2.8L | V6 | N/A | INA Global Number 533 0034 200; Adjuster |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.