GMB 460-9480 Engine Timing Idler

Engine Timing Idler for OE-Style Timing Service

The GMB 460-9480 engine timing idler is manufactured to meet or exceed OEM specifications for dependable timing system service. Built with a metal pulley and a serpentine & V-belt pulley/belt type, it is a practical replacement for timing-related maintenance on Subaru applications that use this part number.

Key Features

• Engine timing idler for valve train and timing system service
• Metal pulley construction for stable operation
• Serpentine & V-belt pulley/belt type
• 1 mm pulley diameter specification as listed by the manufacturer
• OE-style replacement for Subaru timing service applications
• GMB 460-9480 and 4609480 reference the same part

Detailed Description

GMB 460-9480 is an engine timing idler built for vehicles that require a precise timing component to maintain proper belt routing and tension control. The manufacturer states that this part is made to meet or exceed OEM specifications, making it a direct-fit replacement choice for timing system repairs where accurate pulley performance matters. This part cross-references Gates T42118 for the same application. For Subaru timing service, the 460-9480 part number is commonly searched alongside OE reference 13073AA150.

With its metal pulley design and serpentine & V-belt compatibility, this idler supports consistent belt tracking in engine timing assemblies. If you are servicing a Subaru engine timing system and need a replacement idler pulley, GMB 460-9480 provides a specification-based option that aligns with OE requirements.

Common Issues This Part Can Address

• Noise from a worn or rough timing idler pulley
• Belt tracking problems in the timing system
• Timing service replacement for a damaged idler
• Wear-related pulley surface deterioration
• Maintenance on Subaru engine timing components

Installation Notes and Tips

Inspect the timing belt path, adjacent pulleys, and tensioner condition before installation. Replace any worn timing components at the same time to help maintain proper belt alignment and system operation. Confirm the part number 460-9480 against the original component and verify Subaru engine application details before service.

Quality Assurance

GMB manufactures this timing idler to meet or exceed OEM specifications, supporting specification-driven replacement for engine timing repairs. The 460-9480 part number is also listed as 4609480 for reference consistency.