ACDelco 12691804 GM Original Equipment Drive Belt Tensioner Assembly

The ACDelco 12691804 is a GM Original Equipment drive belt tensioner assembly designed to maintain proper tension on the serpentine belt system. This genuine OEM component ensures consistent belt tension throughout the engine's operating range, preventing belt slippage and premature wear while reducing noise and vibration.

Key Features:

• GM Original Equipment quality and direct fit for specific GM applications
• Maintains optimal serpentine belt tension automatically
• Precision-engineered spring mechanism for consistent performance
• Durable construction designed to withstand extreme engine temperatures
• Includes complete tensioner assembly for straightforward installation

Drive belt tensioners are critical wear components that should be inspected regularly and replaced when signs of bearing noise, arm wobble, or insufficient tension appear. This genuine ACDelco tensioner ensures proper belt operation for accessories including the alternator, power steering pump, air conditioning compressor, and water pump.