HomeEngine > Valve Train ComponentsGMB 448-8900 Engine Timing Belt Tensioner
Part #: 448-8900

GMB 448-8900 Engine Timing Belt Tensioner

⚙️ 16 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Dodge, Mitsubishi, and Plymouth, Colt, Eclipse, Laser, and Mirage
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Reliable Engine Timing Belt Tensioner for Dodge, Mitsubishi, and Plymouth

The GMB 448-8900 engine timing belt tensioner is designed to maintain optimal tension on serpentine and V-belts in select Dodge, Mitsubishi, and Plymouth vehicles. Engineered with a durable metal pulley, this tensioner supports smooth belt operation and helps prevent premature wear.

  • Compatible with Dodge Colt, Mitsubishi Eclipse, Laser, and Mirage models
  • Metal pulley construction for enhanced durability
  • Single groove pulley designed for serpentine and V-belt systems
  • Drive belt pulley diameter: 1 mm
  • Part number 448-8900 for precise identification

Product Features and Specifications

The GMB 448-8900 timing belt tensioner features a metal pulley with a single groove, suitable for both serpentine and V-belt configurations. The pulley diameter is specified at 1 mm, ensuring compatibility with the belt systems used in the listed vehicle models. This tensioner is engineered to maintain consistent belt tension, which is critical for proper engine timing and accessory function.

Application and Compatibility

This engine timing belt tensioner is compatible with several vehicle makes and models, including Dodge Colt, Mitsubishi Eclipse, Laser, and Mirage. It is specifically designed to work with the belt systems in these vehicles, providing reliable tension control for the timing belt and accessory belts.

  • Maintains proper tension on serpentine and V-belts
  • Prevents belt slippage and misalignment
  • Reduces risk of engine timing issues
  • Helps avoid premature belt wear and failure
  • Supports smooth engine operation and accessory performance

Installation Notes and Tips

When installing the GMB 448-8900 timing belt tensioner, ensure the belt is properly aligned with the single groove metal pulley. Verify belt tension according to the vehicle manufacturer’s specifications for Dodge Colt, Mitsubishi Eclipse, Laser, or Mirage models. Proper installation is essential to maintain engine timing accuracy and prevent belt damage.

Quality Assurance and Warranty

GMB manufactures the 448-8900 timing belt tensioner to meet industry standards for durability and performance. While specific warranty details are not provided, GMB products typically undergo rigorous quality control to ensure reliable operation in compatible vehicles.

BrandGMB
Part Number448-8900
Drive Belt Pulley Diameter (1) (mm)1
Pulley / Belt TypeSerpentine & v-belt
Pulley Groove Quantity (1)1
Pulley Material (1)Metal

This part fits 16 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1994MitsubishiEclipse1.8LL4N/A
1994PlymouthLaser1.8LL4N/A
1993MitsubishiEclipse1.8LL4N/A
1993PlymouthLaser1.8LL4N/A
1992MitsubishiEclipse1.8LL4N/A
1992PlymouthLaser1.8LL4N/A
1991MitsubishiEclipse1.8LL4N/A
1991PlymouthLaser1.8LL4N/A
1990DodgeColt1.8LL4N/A
1990MitsubishiEclipse1.8LL4N/A
1990PlymouthLaser1.8LL4N/A
1989DodgeColt1.8LL4N/A
1988DodgeColt1.6LL4N/A
1988MitsubishiMirage1.6LL4N/A
1987DodgeColt1.6LL4N/AFrom 01/1987
1987MitsubishiMirage1.6LL4N/AFrom 01/1987

* 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:

448890084023MD109958T41056

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