GMB 480-3603 Engine Timing Belt Tensioner

Engine Timing Belt Tensioner for OE-Style Fitment

This GMB engine timing belt tensioner is manufactured to meet or exceed OEM specifications for dependable belt control in the engine timing system. Built with a metal pulley and a serpentine & V-belt pulley type, it supports consistent belt tracking for select Volkswagen and Audi applications.

Compatible With 2011-2018 Volkswagen Amarok, 2012-2017 Volkswagen Crafter Van, 2015 Audi Q3, and 2012-2014 Volkswagen Passat applications. Part number 480-3603 is also referenced for related OE-style replacement needs.

Key Features

• Engine timing belt tensioner for valve train and belt drive service
• Manufactured to meet or exceed OEM specifications
• Metal pulley construction for durability
• Serpentine & V-belt pulley type
• Single-groove pulley design
• Direct-fit replacement for select Volkswagen and Audi vehicles

Detailed Description

GMB 480-3603 is an engine timing belt tensioner engineered for vehicles that require stable belt tension and accurate pulley operation. The metal pulley and single-groove design support consistent belt alignment in timing-related service, while the OE-spec manufacturing standard helps maintain the original fit and function expected in factory-style repairs. This part number 480-3603 is a practical choice for technicians and owners servicing Volkswagen Amarok, Volkswagen Crafter Van, Audi Q3, and Volkswagen Passat applications.

This part cross-references 03L109243B and N803603 for the same application.

What It Helps Address

• Timing belt slack or inconsistent belt tension
• Belt noise caused by worn tensioner components
• Poor pulley tracking in the engine belt drive
• Service replacement for worn OE-style tensioner assemblies
• Fitment-specific repair needs on Volkswagen Amarok, Crafter Van, Passat, and Audi Q3 models

Installation Notes and Tips

Verify engine code and application details before installation, since timing components must match the exact vehicle configuration. Inspect the belt path, pulley surfaces, and adjacent timing components during service, and replace any worn parts found in the same repair interval. Confirm proper belt routing and tension after installation to maintain correct operation.

Quality Assurance

GMB states this timing belt tensioner is manufactured to meet or exceed OEM specifications, supporting OE-style fit and function for the listed applications.