GMB 480-5630 Engine Timing Idler - Upper

GMB 480-5630 Engine Timing Idler

The GMB 480-5630 engine timing idler is built for upper timing system applications where stable belt routing and consistent pulley operation matter. Manufactured to meet or exceed OEM specifications, it is a direct-fit replacement for select Audi and Volkswagen models.

Key Features

• Engine timing idler for upper timing applications
• Metal pulley construction for durability
• Serpentine and V-belt pulley type
• 1 mm drive belt pulley diameter specification
• 1-groove pulley design
• Built to meet or exceed OEM specifications
• Part number: 480-5630

Fitment and Application

Compatible with upper timing system applications on select vehicles, including Fits 2005-2009 Audi A4, Upper; Fits 2005-2009 Audi A4 Quattro, Upper; Fits 2006-2008 Audi A3, Upper; Fits 2006-2007 Audi A3 Quattro, Upper; Fits 2008 Audi TT, Upper; Fits 2009-2013 Audi TT Quattro, Upper; Fits 2006-2008 Volkswagen Bora, Upper; Fits 2006-2008 Volkswagen Jetta, Upper; Fits 2006-2008 Volkswagen Passat, Upper; Fits 2007-2009 Volkswagen Eos, Upper; and Fits 2012-2013 Volkswagen Golf R, Upper. This part cross-references Gates T42148 and Dorman - Conduct-Tite 85606 for the same application.

What This Part Helps Address

• Worn or noisy timing idler pulley operation
• Improper belt tracking at the upper timing path
• Replacement needs during timing system service
• Metal pulley wear from extended use
• Fitment-specific replacement for Audi A4, Audi TT, and Volkswagen Golf R applications

Installation Notes and Tips

Verify the upper position and pulley specifications against the original part before installation. Inspect the surrounding timing components, belt routing, and mounting surfaces during service to help ensure proper alignment and smooth operation. Confirm vehicle application by year, make, and model, especially on Audi A4, Audi A4 Quattro, and Volkswagen Jetta platforms.

Quality Assurance

GMB states this timing idler is manufactured to meet or exceed OEM specifications, supporting OE-style fit and function for the listed applications. Part number 480-5630 is intended for direct replacement use on the confirmed vehicle fitments above.