OE Quality
60-Day Returns

Gates T43029 Engine Timing Belt Tensioner
Reliable Timing Belt Tensioner for Audi A6 Quattro and A8 Models
The Gates Timing Belt Tensioner T43029 is engineered to maintain optimal tension in the timing belt system of select Audi vehicles. Designed specifically for Audi A6 Quattro, A8, and A8 Quattro models, this tensioner ensures precise timing belt operation and engine performance.
- Constructed from durable aluminum for lightweight strength
- Hydraulic cylinder tensioner type for consistent belt tension
- OE exact comparison rating for direct replacement
- Includes tensioner component only, no pulley included
- Compatible with Audi A6 Quattro, A8, and A8 Quattro models
About the Gates Timing Belt Tensioner Product Line
The Gates Timing Belt Tensioner line focuses on delivering reliable tensioning solutions for engine timing systems. This product line utilizes hydraulic cylinder technology to provide smooth and accurate tension control, reducing wear on the timing belt and related components. The T43029 part is a precise OE equivalent designed to meet factory specifications for Audi engines.
Product Details and Specifications
The T43029 timing belt tensioner features an aluminum construction that balances durability with weight savings, contributing to efficient engine operation. Its hydraulic cylinder design automatically adjusts tension to compensate for belt stretch and wear, maintaining consistent timing belt tension throughout the service life. This tensioner does not include a pulley, focusing solely on the tensioning mechanism. The OE exact rating confirms that this part matches original equipment standards, ensuring compatibility and performance for Audi A6 Quattro, A8, and A8 Quattro vehicles.
Common Applications and Issues Addressed
- Prevents timing belt slack and misalignment
- Reduces risk of engine timing errors and potential damage
- Addresses noise or vibration caused by worn tensioners
- Helps maintain engine efficiency and smooth operation
- Replaces failing or worn factory tensioners in Audi A6 Quattro and A8 models
Installation Notes and Tips
When installing the Gates Timing Belt Tensioner T43029, ensure the timing belt is properly aligned and tensioned according to manufacturer specifications. Use appropriate tools to avoid damage to the hydraulic cylinder mechanism. It is recommended to inspect the entire timing belt system, including pulleys and belt condition, during replacement. Follow Audi service guidelines for torque settings and installation sequence to ensure optimal performance.
Quality Assurance and Warranty
Gates manufactures the T43029 timing belt tensioner to meet stringent quality standards, providing an OE exact replacement for Audi vehicles. While specific warranty details are not provided here, Gates products typically come with manufacturer-backed warranties covering defects in materials and workmanship. Refer to official Gates documentation or authorized distributors for warranty terms.
| Brand | Gates |
| Part Number | T43029 |
| Position | Timing Belt Tensioner |
| Material | Aluminum |
| Tensioner Type | Hydraulic cylinder |
| Pulley Quantity | 0 |
| Contents | Tensioner |
| OE Comparison Rating | Oe exact |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2000 | Audi | A6 Quattro | 4.2L | V8 | GAS | N/A | VIN 085000 & Before; Interference engine application; Timing Belt Tensioner |
| 2000 | Audi | A8 | 3.7L | V8 | GAS | N/A | VIN 4DY016500 & Before; Interference engine application; Timing Belt Tensioner |
| 2000 | Audi | A8 Quattro | 4.2L | V8 | GAS | N/A | VIN 016500 & Before; Interference engine application; Timing Belt Tensioner |
* 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.