1. Basic Information

• Item: Starter Drive Gear
• Function: Meshes with the engine flywheel to transfer starter torque for smooth engine startup.
• Model: XH - 609

2. Compatibility

• Brands/Models:
  • Chevrolet: W3500, 4500, 5500 Trucks (1999 – 2001)；
  • Isuzu: Trucks (2001 – 1999) with 3.9L, 4.8L diesel engines.

3. OEM Reference Codes

4. Specifications

• Teeth (T): 11
• G Dimension: 40.5
• Length (L): 146
• Splines (SPL): 10
• Diameter (D): 57
• Rotation Direction: Counter - clockwise (CCW)