New Drive Belt Tensioner For Subaru Impreza Outback WRX 2.0L 2.5L 3.6L - OE 23769AA040 Ensure Optimal Serpentine Belt Performance and Prevent Accessory System Failure This brand new Drive Belt Tensioner Assembly is a precision-engineered direct replacement for OE part number 23769AA040. Designed to maintain proper tension on your Subaru's serpentine belt, this critical component ensures reliable operation of essential engine accessories including the alternator, power steering pump, and air conditioning compressor. A failing tensioner can lead to belt slippage, premature wear, unusual noises, or complete belt failure. Product Specifications: Item Type: Drive Belt Tensioner Assembly .
