GMB 480-8070 Engine Timing Belt Tensioner

Engine Timing Belt Tensioner for Volkswagen and Audi

This GMB engine timing belt tensioner is built for applications that require stable belt control and consistent tension across the timing system. Part number 480-8070 is manufactured to meet or exceed OEM specifications and uses a metal body with a spring activation design for dependable timing belt support.

Key Features

• Metal construction for durability in engine timing applications
• Spring-activated tensioning action
• Flat pulley type for timing belt routing
• 26 mm width and 72 mm outside diameter
• 10.2 mm mounting hole diameter
• Direct replacement style for OE-level fitment requirements

Detailed Description

GMB 480-8070 is an engine timing belt tensioner designed for Volkswagen, Audi, Porsche, Dodge, and Plymouth applications listed in the fitment data. It is a practical OE-style replacement for timing systems that need controlled belt tension to maintain proper camshaft and crankshaft synchronization. This part cross-references Dayco 84019 and Gates T41079 for the same application. Common search terms for this part include Volkswagen Golf timing belt tensioner, Volkswagen Jetta engine timing belt tensioner, and Audi 4000 timing belt tensioner replacement.

What It Helps Address

• Timing belt slack that can affect engine synchronization
• Noise from a worn or weak tensioner assembly
• Uneven belt tracking across the timing drive
• Premature timing belt wear caused by inconsistent tension
• Service replacement for aging OE timing components

Installation Notes and Tips

Verify engine code, belt routing, and mounting dimensions before installation. Confirm the pulley style, mounting hole diameter, and overall dimensions match the original component. For 1997 Volkswagen Golf and 1997 Volkswagen Jetta applications, confirm fitment to VIN 1HV098995. Replace the tensioner during timing belt service to maintain proper belt tension and reduce repeat labor.

Quality Assurance

GMB states this part is manufactured to meet or exceed OEM specifications, supporting OE-level replacement expectations for timing belt service. Part number 480-8070 is listed for a wide range of Volkswagen and Audi applications, including 1985-1998 Volkswagen Golf, 1980-1996 Volkswagen Jetta, and 1980-1987 Audi 4000.