HomeEngine > Valve Train ComponentsGMB 420-8820 Engine Timing Belt Tensioner
Part #: 420-8820

GMB 420-8820 Engine Timing Belt Tensioner

⚙️ 91 vehicles fit this part
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🚗Fitment: Chrysler, Dodge, and Plymouth, 600, Aries, Caravan, Charger, Dakota, Daytona, Expo, Lancer, Laser, LeBaron, New Yorker, Rampage, Reliant, Shadow, Sundance, TC3, Town & Country, Turismo, Turismo 2.2, and Voyager
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Reliable Engine Timing Belt Tensioner for Chrysler, Dodge, and Plymouth

The GMB 420-8820 engine timing belt tensioner is designed to maintain optimal tension on serpentine and V-belts in various Chrysler, Dodge, and Plymouth models. Engineered with a durable metal pulley and a single groove, this tensioner supports smooth belt operation and helps prevent premature wear.

  • Compatible with Chrysler, Dodge, and Plymouth vehicles including Caravan, Charger, Dakota, LeBaron, and Voyager
  • Metal pulley construction for enhanced durability and heat resistance
  • Single groove pulley designed for serpentine and V-belt applications
  • Drive belt pulley diameter: 1 mm
  • Part number 420-8820 ensures precise fit and function

Product Features and Specifications

The GMB 420-8820 engine timing belt tensioner features a metal pulley with a single groove, suitable for both serpentine and V-belt drive systems. The pulley diameter is specified as 1 mm, providing the correct tensioning surface for compatible belts. This tensioner is engineered to maintain consistent belt tension, reducing slippage and extending belt life. It is compatible with a range of Chrysler, Dodge, and Plymouth models such as the Aries, Caravan, Charger, Dakota, Daytona, LeBaron, New Yorker, and Voyager.

Applications and Common Issues Addressed

  • Maintains proper tension on serpentine and V-belts to prevent belt slippage
  • Reduces noise caused by loose or worn belts
  • Prevents premature belt wear and potential engine timing issues
  • Helps avoid engine overheating due to belt failure
  • Supports smooth operation of engine accessories driven by belts

Installation Notes and Tips

When installing the GMB 420-8820 tensioner, ensure the belt is properly aligned with the single groove pulley. Verify belt tension according to manufacturer specifications for your specific Chrysler, Dodge, or Plymouth model. It is recommended to inspect the belt and related components for wear during installation. Proper installation will help maintain engine performance and prevent belt-related failures.

Quality Assurance and Warranty

GMB manufactures the 420-8820 engine timing belt tensioner to meet OEM standards for fit and function. The metal pulley construction provides durability under typical engine operating conditions. While specific warranty details are not provided, GMB products are generally backed by quality assurance protocols to ensure reliable performance in compatible Chrysler, Dodge, and Plymouth vehicles.

BrandGMB
Part Number420-8820
Drive Belt Pulley Diameter (1) (mm)1
Pulley / Belt TypeSerpentine & v-belt
Pulley Groove Quantity (1)1
Pulley Material (1)Metal

This part fits 91 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1988ChryslerDaytona2.2LL4N/A
1988ChryslerLeBaron2.2LL4N/A
1988ChryslerNew Yorker2.2LL4N/A
1988ChryslerTown & Country2.2LL4N/A
1988Dodge6002.2LL4N/A
1988DodgeAries2.2LL4N/A
1988DodgeDakota2.2LL4N/A
1988DodgeDaytona2.2LL4N/A
1988DodgeLancer2.2LL4N/A
1988DodgeShadow2.2LL4N/A
1988PlymouthExpo2.2LL4N/A
1988PlymouthReliant2.2LL4N/A
1988PlymouthSundance2.2LL4N/A
1987ChryslerDaytona2.2LL4N/A
1987ChryslerLeBaron2.2LL4N/A
1987ChryslerNew Yorker2.2LL4N/A
1987ChryslerTown & Country2.2LL4N/A
1987Dodge6002.2LL4N/A
1987DodgeAries2.2LL4N/A
1987DodgeCaravan2.2LL4N/A
1987DodgeCharger2.2LL4N/A
1987DodgeDakota2.2LL4N/A
1987DodgeDaytona2.2LL4N/A
1987DodgeLancer2.2LL4N/A
1987DodgeShadow2.2LL4N/A
1987PlymouthExpo2.2LL4N/A
1987PlymouthReliant2.2LL4N/A
1987PlymouthSundance2.2LL4N/A
1987PlymouthTurismo2.2LL4N/A
1987PlymouthVoyager2.2LL4N/A
1986ChryslerDaytona2.2LL4N/A
1986ChryslerLaser2.2LL4N/A
1986ChryslerLeBaron2.2LL4N/A
1986ChryslerNew Yorker2.2LL4N/A
1986ChryslerTown & Country2.2LL4N/A
1986Dodge6002.2LL4N/A
1986DodgeAries2.2LL4N/A
1986DodgeCaravan2.2LL4N/A
1986DodgeCharger2.2LL4N/A
1986DodgeDaytona2.2LL4N/A
1986DodgeLancer2.2LL4N/A
1986PlymouthReliant2.2LL4N/A
1986PlymouthTurismo2.2LL4N/A
1986PlymouthTurismo 2.22.2LL4N/A
1986PlymouthVoyager2.2LL4N/A
1985ChryslerDaytona2.2LL4N/A
1985ChryslerLaser2.2LL4N/A
1985ChryslerLeBaron2.2LL4N/A
1985ChryslerNew Yorker2.2LL4N/A
1985ChryslerTown & Country2.2LL4N/A
1985Dodge6002.2LL4N/A
1985DodgeAries2.2LL4N/A
1985DodgeCaravan2.2LL4N/A
1985DodgeCharger2.2LL4N/A
1985DodgeDaytona2.2LL4N/A
1985DodgeLancer2.2LL4N/A
1985PlymouthReliant2.2LL4N/A
1985PlymouthTurismo2.2LL4N/A
1985PlymouthTurismo 2.22.2LL4N/A
1985PlymouthVoyager2.2LL4N/A
1984ChryslerDaytona2.2LL4N/A
1984ChryslerLaser2.2LL4N/A
1984ChryslerLeBaron2.2LL4N/A
1984ChryslerNew Yorker2.2LL4N/A
1984ChryslerTown & Country2.2LL4N/A
1984Dodge6002.2LL4N/A
1984DodgeAries2.2LL4N/A
1984DodgeCaravan2.2LL4N/A
1984DodgeCharger2.2LL4N/A
1984DodgeDaytona2.2LL4N/A
1984DodgeRampage2.2LL4N/A
1984PlymouthReliant2.2LL4N/A
1984PlymouthTurismo2.2LL4N/A
1984PlymouthTurismo 2.22.2LL4N/A
1984PlymouthVoyager2.2LL4N/A
1983ChryslerLeBaron2.2LL4N/A
1983ChryslerNew Yorker2.2LL4N/A
1983ChryslerTown & Country2.2LL4N/A
1983Dodge6002.2LL4N/A
1983DodgeAries2.2LL4N/A
1983DodgeCharger2.2LL4N/A
1983DodgeRampage2.2LL4N/A
1983PlymouthReliant2.2LL4N/A
1983PlymouthTurismo2.2LL4N/A
1983PlymouthTurismo 2.22.2LL4N/A
1982ChryslerLeBaron2.2LL4N/A
1982ChryslerTown & Country2.2LL4N/A
1982DodgeAries2.2LL4N/A
1982DodgeRampage2.2LL4N/A
1982PlymouthReliant2.2LL4N/A
1982PlymouthTC32.2LL4N/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:

4208820520346984006T41000

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