Vaico V10-4409 Engine Timing Chain Tensioner

Engine Timing Chain Tensioner for V10 Applications

The Vaico V10-4409 engine timing chain tensioner is an electric-hydraulic valve train component built for specific Audi and Volkswagen V10 applications. It is used on cylinder bank 5-8 timing systems where OE reference 077109087P is specified, helping maintain proper chain tension and camshaft timing control.

Key Features

• Electric-hydraulic operating mode for timing chain tension control
• Rectangular connector shape with 2 poles
• Dimensions: 156 mm length, 114 mm width, 83 mm height
• Engine valve train component for cylinder bank 5-8 applications
• OE reference application: 077109087P
• Vaico part number V10-4409 for direct catalog identification

Product Details

VAICO V10-4409 is a timing chain tensioner for engine valve train systems that require electric-hydraulic actuation. The unit is specified for Audi A6 Quattro, A8 Quattro, RS6, S6, S8, and Volkswagen Touareg and Phaeton applications listed below, with fitment notes calling out cylinder 5-8 or camshaft use depending on the vehicle. If you are sourcing a replacement for an Audi A8 Quattro timing chain tensioner or a Volkswagen Touareg engine timing chain tensioner, this part number should be matched carefully to the OE number and engine configuration.

This part cross-references 2T1070 and TS1070 for the same application.

Vehicle Fitment

• Fits 2004-2007 Volkswagen Touareg, N/A — Grade: Aftermarket; cylinder 5-8; With OE No. 077109087P; VAICO
• Fits 2004-2006 Audi A8 Quattro, N/A — Grade: Aftermarket; cylinder 5-8; With OE No. 077109087P; VAICO
• Fits 2004-2006 Volkswagen Phaeton, N/A — Grade: Aftermarket; cylinder 5-8; With OE No. 077109087P; VAICO
• Fits 2002-2004 Audi A6 Quattro, N/A — Grade: Aftermarket; cylinder 5-8; With OE No. 077109087P; VAICO
• Fits 2003-2004 Audi RS6, N/A — Grade: Aftermarket; cylinder 5-8; With OE No. 077109087P; VAICO
• Fits 2000-2003 Audi A8 Quattro, N/A — Grade: Aftermarket; Camshaft; Cyl.5,6,7,8; With OE No. 077109087P; VAICO
• Fits 2002-2003 Audi S6, N/A — Grade: Aftermarket; cylinder 5-8; With OE No. 077109087P; VAICO
• Fits 2001-2003 Audi S8, N/A — Grade: Aftermarket; Camshaft; Cyl.5,6,7,8; With OE No. 077109087P; VAICO

Common Issues This Part May Address

• Timing chain slack in the cylinder bank 5-8 valve train
• Camshaft timing instability on affected Audi V10 and Volkswagen V10 engines
• Noise from a worn or failing hydraulic chain tensioner
• Incorrect chain control caused by a damaged electric-hydraulic tensioner
• OE-number-matched replacement needs for 077109087P applications

Installation Notes and Tips

Confirm the OE number, engine code, and cylinder-bank application before installation. This Vaico V10-4409 tensioner uses a rectangular 2-pin connector and electric-hydraulic operation, so the electrical connection and oil supply condition should be checked during service. Verify the timing components are aligned correctly before starting the engine after replacement.

Quality Assurance

VAICO supplies aftermarket engine components for European vehicle applications, and this timing chain tensioner is cataloged to the OE reference listed above. Match the part number V10-4409 and the vehicle notes carefully to ensure the correct application for Audi and Volkswagen V10 timing systems.