HomeEngine > Valve Train ComponentsGMB 480-6420 Engine Timing Belt Idler - Right Lower
Part #: 480-6420

GMB 480-6420 Engine Timing Belt Idler - Right Lower

Right Lower
⚙️ 18 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$24.63Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Volkswagen, Beetle, Golf, and Jetta
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of GMB Engine Timing Belt Idler 480-6420

The GMB 480-6420 engine timing belt idler is designed for Volkswagen vehicles including the Beetle, Golf, and Jetta models. This component plays a critical role in maintaining proper tension and alignment of serpentine and V-belts within the engine's valve train system.

  • Compatible with Volkswagen Beetle, Golf, and Jetta
  • Engine timing belt idler part number 480-6420
  • Metal pulley construction for durability
  • Single groove pulley designed for serpentine and V-belt systems
  • Drive belt pulley diameter of 1 mm

Detailed Product Description

The GMB 480-6420 engine timing belt idler features a metal pulley with a single groove, engineered to accommodate both serpentine and V-belt types. The pulley diameter is specified as 1 mm, ensuring precise fitment and smooth operation within the engine's valve train components. This idler is essential for maintaining the correct tension on the timing belt, which helps prevent slippage and premature wear. Its robust metal construction supports long-term reliability under typical operating conditions found in Volkswagen Beetle, Golf, and Jetta engines.

Common Applications and Problem Solving

  • Maintains proper tension on the timing belt to prevent belt slippage
  • Reduces noise caused by worn or misaligned belt pulleys
  • Prevents premature wear of serpentine and V-belts
  • Supports smooth engine timing and valve train operation
  • Replaces worn or damaged idler pulleys in Volkswagen Beetle, Golf, and Jetta models

Installation Notes and Tips

When installing the GMB 480-6420 engine timing belt idler, ensure the pulley groove aligns correctly with the serpentine or V-belt. Verify that the belt tension is adjusted according to Volkswagen manufacturer specifications to avoid over-tightening or slack. It is recommended to inspect the belt and related components for wear during installation to maintain optimal engine performance.

Quality Assurance and Warranty

GMB manufactures the 480-6420 engine timing belt idler to meet industry standards for durability and performance. The metal pulley construction provides resistance to wear and heat, contributing to the longevity of the part. While specific warranty details are not provided, GMB products typically adhere to quality assurance protocols to ensure reliable operation in Volkswagen Beetle, Golf, and Jetta vehicles.

BrandGMB
Part Number480-6420
Drive Belt Pulley Diameter (1) (mm)1
Pulley / Belt TypeSerpentine & v-belt
Pulley Groove Quantity (1)1
Pulley Material (1)Metal

This part fits 18 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2004VolkswagenGolf1.9LL4Right Lower
2004VolkswagenJetta1.9LL4Right Lower
2003VolkswagenBeetle1.9LL4Right Lower
2003VolkswagenGolf1.9LL4Right Lower
2003VolkswagenJetta1.9LL4Right Lower
2002VolkswagenBeetle1.9LL4Right Lower
2002VolkswagenGolf1.9LL4Right Lower
2002VolkswagenJetta1.9LL4Right Lower
2001VolkswagenBeetle1.9LL4Right Lower
2001VolkswagenGolf1.9LL4Right Lower
2001VolkswagenJetta1.9LL4Right Lower
2000VolkswagenBeetle1.9LL4Right Lower
2000VolkswagenGolf1.9LL4Right Lower
2000VolkswagenJetta1.9LL4Right Lower
1999VolkswagenBeetle1.9LL4Right Lower
1999VolkswagenGolf1.9LL4Right Lower
1999VolkswagenJetta1.9LL4Right Lower
1998VolkswagenBeetle1.9LL4Right Lower

* 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:

038109244B480642085541T42050

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