HomeEngine > Valve Train ComponentsGMB 430-6743 Engine Timing Belt Tensioner Pulley
Part #: 430-6743

GMB 430-6743 Engine Timing Belt Tensioner Pulley

⚙️ 27 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Cadillac, Saab, and Saturn, 9-5, 9000, Catera, CTS, L300, LS2, LW2, LW300, and Vue
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Reliable Engine Timing Belt Tensioner Pulley for Cadillac, Saab, and Saturn

The GMB 430-6743 engine timing belt tensioner pulley is designed to maintain proper tension on serpentine and V-belts in select Cadillac, Saab, and Saturn vehicles. Engineered with a durable metal pulley, this component ensures consistent belt alignment and smooth operation for your vehicle's valve train system.

  • Compatible with Cadillac CTS, Catera, LS2, and LW2 models
  • Fits Saab 9-5 and 9000 series vehicles
  • Suitable for Saturn L300, LW300, and Vue models
  • Metal pulley construction for enhanced durability
  • Single groove design for serpentine and V-belt applications
  • Drive belt pulley diameter designed for precise fit and function

Product Features and Specifications

The GMB 430-6743 tensioner pulley features a metal pulley with a single groove, engineered to accommodate both serpentine and V-belt types. The pulley diameter is optimized to maintain proper belt tension and reduce wear on the belt and associated components. This part is specifically designed for use in the valve train system, ensuring reliable timing belt operation and engine performance.

Applications and Common Issues Addressed

  • Maintains correct tension on timing belts to prevent slippage
  • Reduces belt noise caused by misalignment or wear
  • Prevents premature belt and pulley wear in Cadillac, Saab, and Saturn models
  • Helps avoid engine timing issues related to belt tension loss
  • Supports smooth engine operation by stabilizing belt movement

Installation Notes and Tips

When installing the GMB 430-6743 tensioner pulley, ensure the belt type matches the pulley groove design (serpentine or V-belt). Proper alignment is critical to avoid belt damage and ensure optimal tension. It is recommended to inspect the belt and related components for wear during installation and replace if necessary. Use manufacturer torque specifications to secure the pulley.

Quality Assurance and Warranty

GMB manufactures this timing belt tensioner pulley to meet OEM standards for fit and function. The metal pulley construction provides durability under normal operating conditions. While specific warranty details are not provided, GMB parts typically come with a limited warranty against defects in materials and workmanship. Verify warranty terms with the supplier or manufacturer.

BrandGMB
Part Number430-6743
Drive Belt Pulley Diameter (1) (mm)1
Pulley / Belt TypeSerpentine & v-belt
Pulley Groove Quantity (1)1
Pulley Material (1)Metal

This part fits 27 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2005SaturnL3003.0LV6N/A
2004CadillacCTS3.2LV6N/A
2004SaturnL3003.0LV6N/A
2003CadillacCTS3.2LV6N/A
2003Saab9-53.0LV6N/A
2003SaturnL3003.0LV6N/A
2003SaturnLW3003.0LV6N/A
2003SaturnVue3.0LV6N/A
2002Saab9-53.0LV6N/A
2002SaturnL3003.0LV6N/A
2002SaturnLW3003.0LV6N/A
2002SaturnVue3.0LV6N/A
2001CadillacCatera3.0LV6N/A
2001Saab9-53.0LV6N/A
2001SaturnL3003.0LV6N/A
2001SaturnLW3003.0LV6N/A
2000CadillacCatera3.0LV6N/A
2000Saab9-53.0LV6N/A
2000SaturnLS23.0LV6N/A
2000SaturnLW23.0LV6N/A
1999CadillacCatera3.0LV6N/A
1999Saab9-53.0LV6N/A
1998CadillacCatera3.0LV6N/A
1997CadillacCatera3.0LV6N/A
1997Saab90003.0LV6N/A
1996Saab90003.0LV6N/A
1995Saab90003.0LV6N/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:

4306743N306743

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