Gates T43028 Engine Timing Belt Tensioner

Gates T43028 Timing Belt Tensioner

The Gates T43028 timing belt tensioner is built for engine timing service on select Audi and Volkswagen applications. It uses an OE-exact fit approach with a hydraulic design to help maintain proper belt tension and support timing belt life during operation.

Key Features

• Brand: Gates PowerGrip Timing Belt Tensioner
• Part number: T43028
• Hydraulic tensioner design for controlled belt tension
• Steel construction
• Smooth/backside contact surface with one pulley
• OE Exact comparison rating for direct-fit replacement
• Engine timing belt tensioner for valve train service

Product Details

Gates PowerGrip timing tensioners are engineered and tested to match OE-quality fit and performance. This T43028 timing belt tensioner is designed to maintain optimal belt tension and reduce the need for a separate tensioning operation during installation. It is a direct replacement choice for timing belt service on 2002-2006 Audi A4, 2002-2005 Audi A4 Quattro, and 2001-2005 Volkswagen Passat applications, including interference-engine configurations listed in the fitment data. The Gates T43028 is also cross-referenced to Dayco 85027 and Dorman - OE Solutions 420-116 for the same application.

What It Helps Address

• Timing belt slack caused by a worn hydraulic tensioner
• Uneven belt loading that can affect camshaft timing stability
• Noisy or inconsistent belt operation from a deteriorated tensioner assembly
• Service issues during timing belt replacement on Audi A4 and Volkswagen Passat engines
• Premature timing belt wear related to improper tension control

Installation Notes and Tips

• Verify engine code, VIN breakpoints, and belt tooth count before ordering.
• Fits 2002-2006 Audi A4, N/A; compatible with interference engines; timing belt tensioner.
• Fits 2002-2005 Audi A4 Quattro, N/A; compatible with interference engines; timing belt tensioner.
• Fits 2001-2005 Volkswagen Passat, N/A; compatible with interference engines; timing belt tensioner.
• Fits 2001 Audi A4, N/A; VIN 8D 1 042385 & after; interference engine application; timing belt tensioner.
• Fits 2001 Audi A4 Quattro, N/A; VIN 8D 1 042385 & after; interference engine application; timing belt tensioner.
• Fits 1999-2000 Audi A4, N/A; w/150 tooth belt; interference engine application; timing belt tensioner.
• Fits 1999-2000 Audi A4 Quattro, N/A; w/150 tooth belt; interference engine application; timing belt tensioner.
• Follow the vehicle service procedure for timing alignment and hydraulic tensioner setup.

Quality Assurance

Gates designs PowerGrip timing tensioners to OE-quality or OE-exact standards and tests them to help maintain belt life and proper tension in service.