ACDelco 38159 Professional Automatic Belt Tensioner and Pulley Assembly

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ACDelco GM Original Equipment Drive Belt Idler Pulleys are part of the accessory drive belt system on the front of your engine and are GM-recommended replacements for your vehicleâ‚¬s original components. A pulley can be ribbed or smooth and contains a sealed ball-bearing. The idler pulley is used to divert the drive belt to components such as the alternator, water pump or power steering pump. This original equipment drive belt idler pulley has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Helps repair noisy idler pulley bearing
Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
Original equipment parts are designed to work with your GM vehicle safety systems -- aftermarket replacement parts may not meet the same OE safety regulations, depending on the part type
GM regularly updates production and service part designs to integrate new materials and technologies

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GM Genuine Parts 12669569 LC9 5.3L Drive Belt Idler Pulley, Black

Product Review