GMB 430-6853 Engine Timing Belt Idler - Upper

Engine Timing Belt Idler for OE-Style Service

The GMB 430-6853 engine timing belt idler is manufactured to meet or exceed OEM specifications for dependable valve train service. Built with a metal pulley and a single groove, it supports timing belt routing on select Saturn, Cadillac, and Saab applications.

Key Features

• Engine timing belt idler for valve train service
• Metal pulley construction for durable operation
• Single-groove pulley design
• Works with serpentine and V-belt pulley types
• Built to meet or exceed OEM specifications
• Part number 430-6853 for easy identification

Application Details

Compatible with select upper-position timing belt applications, including Fits 2001-2005 Saturn L300, Upper; Fits 2003-2004 Cadillac CTS, Upper; Fits 1999-2003 Saab 9-5, Upper; Fits 2001-2003 Saturn LW300, Upper; Fits 2002-2003 Saturn Vue, Upper; Fits 1997-2001 Cadillac Catera, Upper; Fits 2000 Saturn LS2, Upper; Fits 2000 Saturn LW2, Upper; and Fits 1995-1997 Saab 9000, Upper. This part cross-references 24449773 and N306853 for the same application.

What It Helps Address

• Timing belt noise from a worn idler pulley
• Belt tracking issues caused by pulley wear
• Rough or inconsistent pulley rotation
• Service replacement for a damaged upper timing belt idler
• OE-spec replacement needs on Saturn, Cadillac, and Saab engines

Installation Notes and Tips

Verify engine code, belt routing, and upper-position fitment before installation. Inspect the timing belt, tensioner, and adjacent pulleys during service, since worn components can shorten the life of the new idler. Confirm the pulley alignment and torque fasteners to the vehicle manufacturer’s specifications.

Quality Assurance

GMB manufactures this timing belt idler to meet or exceed OEM specifications, supporting consistent fit and function for routine engine maintenance.