GMB 445-8530 Engine Timing Idler

Brand GMB 445-8530
Drive Belt Pulley Diameter (1) (mm) 1
Pulley / Belt Type Serpentine & v-belt
Pulley Groove Quantity (1) 1
Pulley Material (1) Metal
Fits Mazda · 14 vehicles

OE-spec construction. Manufactured to meet or exceed OEM specifications.

Metal pulley. Built for dependable belt tracking and smooth operation.

Serpentine and V-belt. Compatible with both belt styles for versatile use.

Cross-references Dorman - Conduct-Tite 85216, Gates T42011 and 4458530 for the same application. See all 5.

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Engine Timing Idler for Mazda MPV and 929

GMB 445-8530 is an engine timing idler built to meet or exceed OEM specifications. It is a metal pulley with a single groove and a serpentine & V-belt pulley type, making it a direct-fit service part for select Mazda applications.

Key Features

  • Engine timing idler for timing system service
  • Metal pulley construction for durable operation
  • Single-groove pulley design
  • Serpentine & V-belt pulley type
  • Built to meet or exceed OEM specifications
  • GMB 445-8530 for select Mazda MPV and Mazda 929 applications

Detailed Description

This GMB timing idler is engineered for Mazda MPV and Mazda 929 models that require a replacement idler pulley in the engine timing system. The metal pulley design and OEM-spec construction support consistent belt tracking and dependable operation in timing-related service. If you are replacing a worn timing idler on a 1989-1998 Mazda MPV or a 1988-1991 Mazda 929, GMB 445-8530 provides a direct replacement option for the specified applications.

This part cross-references Gates T42011 and Dorman - Conduct-Tite 85216 for the same application.

What It Helps Fix

  • Timing belt noise from a worn idler pulley
  • Belt tracking issues caused by pulley wear
  • Rough pulley rotation in the engine timing system
  • Service replacement for aging Mazda MPV and Mazda 929 timing components
  • Loss of proper belt guidance in serpentine and V-belt setups

Installation Notes and Tips

Verify the vehicle year and model before installation. Fits 1989-1998 Mazda MPV, N/A. Fits 1988-1991 Mazda 929, N/A. Confirm pulley alignment and belt routing during timing system service, and inspect related belts and tensioning components for wear before reassembly.

Quality Assurance

GMB manufactures this timing idler to meet or exceed OEM specifications for fit and function. Part number 445-8530 is built for the listed Mazda applications and follows the brand’s OE-level replacement standard.

This part fits 14 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1998MazdaMPV3.0LV6N/A—
1997MazdaMPV3.0LV6N/A—
1996MazdaMPV3.0LV6N/A—
1995MazdaMPV3.0LV6N/A—
1994MazdaMPV3.0LV6N/A—
1993MazdaMPV3.0LV6N/A—
1992MazdaMPV3.0LV6N/A—
1991Mazda9293.0LV6N/A—
1991MazdaMPV3.0LV6N/A—
1990Mazda9293.0LV6N/A—
1990MazdaMPV3.0LV6N/A—
1989Mazda9293.0LV6N/A—
1989MazdaMPV3.0LV6N/A—
1988Mazda9293.0LV6N/A—
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dorman - Conduct-Tite — 85216Gates — T420114458530JE1512730TBT470B