Genuine Holden Timing Belt Tensioner GM12644510 – Colorado RG 2.8L Duramax Diesel

The Genuine Holden GM12644510 Timing Belt Tensioner Assembly is an OEM replacement component designed for Holden Colorado models fitted with the 2.8L Duramax diesel engine.

The timing belt tensioner is a critical component of the engine timing system, maintaining the correct tension on the timing belt to ensure accurate camshaft and crankshaft synchronization. A worn or faulty tensioner can cause belt noise, incorrect timing, engine damage, or catastrophic timing belt failure.

Manufactured to Genuine Holden specifications, this tensioner provides reliable operation and precise timing belt control.

Specifications:

• Brand: Genuine Holden / GM
• Part Number: GM12644510
• Description: Timing Belt Tensioner Assembly
• Type: Engine Timing Component
• Fitment: Direct OEM Replacement
• Genuine GM Product