GMB 480-4677 Engine Timing Belt Tensioner Hydraulic Assembly

Engine Timing Belt Tensioner for Volkswagen Applications

This GMB engine timing belt tensioner hydraulic assembly is built for Volkswagen timing belt service where stable belt tension is critical. Part number 480-4677 is manufactured to meet or exceed OEM specifications for a direct-fit replacement on select Cabrio, Jetta, Golf, and Passat models.

Key Features

• Hydraulic timing belt tensioner assembly for engine valve train service
• Built to meet or exceed OEM specifications
• Direct replacement for select Volkswagen timing belt applications
• Cross-references Dayco 85049 for the same application
• Part number 480-4677 for ordering and fitment verification

Detailed Description

GMB 480-4677 is an engine timing belt tensioner hydraulic assembly used to maintain proper timing belt tension in compatible Volkswagen engines. It fits 1993-1998 Volkswagen Golf, 1994-1999 Volkswagen Jetta, 1995-1996 Volkswagen Passat, and 1995-2002 Volkswagen Cabrio. This part is intended for timing belt service where consistent hydraulic tension helps support accurate valve timing and belt control.

For buyers searching for a Volkswagen Golf timing belt tensioner hydraulic assembly, a Volkswagen Jetta timing belt tensioner replacement, or a Volkswagen Cabrio timing belt tensioner assembly, this GMB part number 480-4677 provides an OE-spec replacement option. It also cross-references Dayco 85049 for the same application.

What It Helps Address

• Timing belt slack caused by a worn hydraulic tensioner
• Noise from an aging or weak belt tensioner assembly
• Improper belt tension during timing belt service
• Restoration of stable belt control in Volkswagen engine timing systems
• Replacement of a failed OE-style hydraulic tensioner

Installation Notes and Tips

Install during timing belt service and verify all timing marks before engine start-up. Inspect the belt, idlers, and related timing components at the same time, since wear in one part can affect the rest of the system. Confirm vehicle year, engine configuration, and part number 480-4677 against the application before installation.

Quality Assurance

GMB manufactures this hydraulic tensioner assembly to meet or exceed OEM specifications, supporting consistent fit and function for the listed Volkswagen applications.