HomeEngine > Valve Train ComponentsGMB 445-8670 Engine Timing Belt Tensioner Pulley
Part #: 445-8670

GMB 445-8670 Engine Timing Belt Tensioner Pulley

⚙️ 32 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford and Mazda, 626, Millenia, MX-3, MX-6, and Probe
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Reliable Engine Timing Belt Tensioner Pulley for Ford and Mazda

The GMB 445-8670 engine timing belt tensioner pulley is designed to maintain proper tension on serpentine and V-belts in select Ford and Mazda vehicles. Engineered with a durable metal pulley, this component supports smooth belt operation and helps prevent premature wear.

  • Compatible with Ford 626, Probe and Mazda Millenia, MX-3, MX-6 models
  • Metal pulley construction for enhanced durability
  • Single groove design suitable for serpentine and V-belt systems
  • Drive belt pulley diameter designed for precise fitment
  • Part number 445-8670 ensures correct replacement part

Product Details and Specifications

The GMB 445-8670 tensioner pulley features a metal pulley with a single groove, engineered to accommodate both serpentine and V-belt configurations. The pulley diameter is optimized to maintain consistent belt tension, reducing slippage and noise. This part is specifically designed for use in the valve train components of Ford and Mazda engines, ensuring compatibility with models such as the Ford 626 and Probe, as well as the Mazda Millenia, MX-3, and MX-6. The robust metal construction provides resistance to wear and heat, contributing to longer service life under demanding engine conditions.

Common Applications and Problem Resolution

  • Maintains proper tension on timing belts to prevent belt slippage
  • Reduces belt noise caused by misalignment or wear
  • Prevents premature belt or pulley failure due to material fatigue
  • Ensures smooth operation of serpentine and V-belt drive systems
  • Replaces worn or damaged tensioner pulleys in Ford and Mazda engines

Installation Notes and Tips

When installing the GMB 445-8670 tensioner pulley, ensure the belt is properly aligned within the single groove to avoid uneven wear. Verify compatibility with your specific Ford or Mazda model before installation. It is recommended to inspect the entire belt drive system for wear and replace any components showing signs of damage. Proper torque specifications should be followed to secure the pulley without causing damage to the mounting hardware.

Quality Assurance and Warranty

GMB manufactures the 445-8670 tensioner pulley to meet strict quality standards, using durable metal materials for reliable performance. While specific warranty details are not provided, GMB parts typically undergo rigorous testing to ensure fit, form, and function for the intended Ford and Mazda applications.

BrandGMB
Part Number445-8670
Drive Belt Pulley Diameter (1) (mm)1
Pulley / Belt TypeSerpentine & v-belt
Pulley Groove Quantity (1)1
Pulley Material (1)Metal

This part fits 32 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2002Mazda6262.5LV6N/A
2002MazdaMillenia2.5LV6N/A
2001Mazda6262.5LV6N/A
2001MazdaMillenia2.5LV6N/A
2000Mazda6262.5LV6N/A
2000MazdaMillenia2.5LV6N/A
1999Mazda6262.5LV6N/A
1999MazdaMillenia2.5LV6N/A
1998Mazda6262.5LV6N/A
1998MazdaMillenia2.5LV6N/A
1997FordProbe2.5LV6N/A
1997Mazda6262.5LV6N/A
1997MazdaMillenia2.5LV6N/A
1997MazdaMX-62.5LV6N/A
1996FordProbe2.5LV6N/A
1996Mazda6262.5LV6N/A
1996MazdaMillenia2.5LV6N/A
1996MazdaMX-62.5LV6N/A
1995FordProbe2.5LV6N/A
1995Mazda6262.5LV6N/A
1995MazdaMillenia2.5LV6N/A
1995MazdaMX-31.8LV6N/A
1995MazdaMX-62.5LV6N/A
1994FordProbe2.5LV6N/A
1994Mazda6262.5LV6N/A
1994MazdaMX-31.8LV6N/A
1994MazdaMX-62.5LV6N/A
1993FordProbe2.5LV6N/A
1993Mazda6262.5LV6N/A
1993MazdaMX-31.8LV6N/A
1993MazdaMX-62.5LV6N/A
1992MazdaMX-31.8LV6N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

445867085292KL0112750T41034

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.