GMB 445-7117 Engine Timing Belt Tensioner Hydraulic Assembly

Engine Timing Belt Tensioner for Mazda Applications

This GMB engine timing belt tensioner hydraulic assembly is built to meet or exceed OEM specifications for dependable timing system control. It is a direct-fit service part for select Mazda MPV and Mazda 929 applications, with OE-style construction for accurate belt tension management.

Key Features

• Engine timing belt tensioner hydraulic assembly for valve train service
• Manufactured to meet or exceed OEM specifications
• Metal pulley construction for durability
• Serpentine and V-belt pulley/belt type
• 1 mm drive belt pulley diameter specification as listed
• GMB 445-7117 replacement part for timing belt service

Detailed Description

The GMB 445-7117 is an engine timing belt tensioner hydraulic assembly designed for timing belt applications where stable belt tension is critical. It is listed for 1989-1998 Mazda MPV and 1988-1991 Mazda 929 models, making it a focused fitment option for Mazda timing system repair. The metal pulley and OE-spec manufacturing approach support consistent operation in the engine’s valve train system. This part cross-references Dayco 85003 and Gates T43214 for the same application.

What It Helps Address

• Timing belt slack or inconsistent belt tension
• Noise from a worn hydraulic tensioner assembly
• Timing system service on Mazda MPV and Mazda 929 engines
• Replacement of a worn pulley or tensioning component during belt maintenance
• Restoring proper belt tracking in the engine timing system

Installation Notes and Tips

Verify engine code and timing belt routing before installation. Replace the timing belt and inspect related pulleys, seals, and guides during service to reduce repeat labor. Follow the vehicle service manual for torque values, timing marks, and hydraulic tensioner setup procedures. Fits 1989-1998 Mazda MPV and 1988-1991 Mazda 929, N/A.

Quality Assurance

GMB manufactures this part to meet or exceed OEM specifications for fit and function. Confirm part number 445-7117 against the vehicle application before ordering.