HomeEngine > Valve Train ComponentsGMB 420-3103 Engine Timing Belt Tensioner
Part #: 420-3103

GMB 420-3103 Engine Timing Belt Tensioner

⚙️ 21 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chrysler, Dodge, and Plymouth, Neon
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Reliable Engine Timing Belt Tensioner for Chrysler Neon

The GMB 420-3103 engine timing belt tensioner is designed specifically for Chrysler, Dodge, and Plymouth Neon models. Engineered to maintain optimal tension on serpentine and V-belts, this metal pulley tensioner ensures consistent performance and durability in your vehicle's valve train system.

  • Drive belt pulley diameter: 1 mm
  • Compatible with serpentine and V-belt systems
  • Single pulley groove for precise belt alignment
  • Durable metal pulley construction for long-lasting use

Product Details and Specifications

The GMB 420-3103 timing belt tensioner features a metal pulley with a 1 mm diameter designed to work with both serpentine and V-belt configurations. Its single groove pulley ensures proper belt tracking and tension, which is critical for maintaining engine timing and preventing belt slippage. This tensioner is engineered to meet the specific requirements of Chrysler, Dodge, and Plymouth Neon vehicles, providing a reliable component for the valve train system.

Compatible Vehicles and Applications

This engine timing belt tensioner is compatible with the following makes and models:

  • Chrysler Neon
  • Dodge Neon
  • Plymouth Neon

It is designed to address common issues related to belt tension and alignment, helping to prevent engine timing problems and improve overall engine performance.

Common Issues Addressed by This Timing Belt Tensioner

  • Excessive belt slack causing timing inconsistencies
  • Premature belt wear due to improper tension
  • Noise from belt misalignment or slipping
  • Engine performance issues related to valve timing
  • Potential engine damage from belt failure

Installation Notes and Tips

When installing the GMB 420-3103 timing belt tensioner, ensure the belt is properly aligned within the single groove pulley. Verify that the tensioner maintains correct belt tension throughout the installation process to avoid premature wear. It is recommended to inspect the serpentine and V-belts for wear and replace them if necessary during installation.

Quality Assurance and Warranty

GMB manufactures this timing belt tensioner to meet industry standards for durability and performance. The metal pulley construction provides resistance to wear and heat, contributing to a longer service life. Please refer to GMB's warranty policy for specific coverage details related to the 420-3103 part number.

BrandGMB
Part Number420-3103
Drive Belt Pulley Diameter (1) (mm)1
Pulley / Belt TypeSerpentine & v-belt
Pulley Groove Quantity (1)1
Pulley Material (1)Metal

This part fits 21 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005DodgeNeon2.0LL4N/A
2004DodgeNeon2.0LL4N/A
2003DodgeNeon2.0LL4N/A
2002ChryslerNeon2.0LL4N/A
2002DodgeNeon2.0LL4N/A
2001ChryslerNeon2.0LL4N/A
2001DodgeNeon2.0LL4N/A
2001PlymouthNeon2.0LL4N/A
2000ChryslerNeon2.0LL4N/A
2000DodgeNeon2.0LL4N/A
2000PlymouthNeon2.0LL4N/A
1999DodgeNeon2.0LL4N/A
1999PlymouthNeon2.0LL4N/A
1998DodgeNeon2.0LL4N/A
1998PlymouthNeon2.0LL4N/A
1997DodgeNeon2.0LL4N/A
1997PlymouthNeon2.0LL4N/A
1996DodgeNeon2.0LL4N/A
1996PlymouthNeon2.0LL4N/A
1995DodgeNeon2.0LL4N/A
1995PlymouthNeon2.0LL4N/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:

42031034884320AA84140T43132

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