BMW Drive Belt Tensioner Pulley - Genuine BMW 11281720039

Ensure optimal performance and longevity for your BMW's accessory drive system with this Genuine BMW Drive Belt Tensioner Pulley (Part Number: 11281720039). This crucial component is designed to maintain precise tension on the serpentine belt, guaranteeing efficient and reliable operation of vital engine accessories such as the alternator, power steering pump, water pump, and air conditioning compressor.

A failing tensioner pulley can lead to annoying belt squeals, premature belt wear, and potential malfunction of the driven components. As an authentic BMW part, this tensioner pulley meets strict OEM specifications, ensuring perfect fitment, superior durability, and factory-grade reliability.

It is a direct replacement for OE numbers 11281720039 and 11281715630. This pulley is specifically engineered for select V12 BMW models, including the 750iL (1988-1998), 850i (1991-1992), 850Ci (1993-1997), and 850CSi (1995). Replace your worn or noisy pulley with this genuine part to restore smooth and quiet operation to your BMW.