Dayco 89077 Pulley Fits Select: 2003-2005 BMW Z4 1994-1995 BMW 540

Dayco No Slack Idler/Tensioner Pulleys are built with smoother surfaces and tighter dimensional tolerances which translates to less vibration and therefore longer belt life. This pulley includes lifetime lubricated ball bearings and double high temperature seals to assure peak bearing performance the most critical element of a pulley s service life. This specific flat serpentine belt driven assembly pulley contains specially formulated glass-filled polymers to insure a high strength cooler running and wear resistant plastic pulley.