GM Genuine Parts Accessory Drive Belt Idler Pulleys are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These accessory drive belt idler pulleys are part of the accessory drive belt system on the front of your engine. 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. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE). ⚠ <bold>WARNING:</bold> Cancer and Reproductive Harm - <Underline>https://www.P65Warnings.ca.gov</Underline> 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 Package Dimensions: 3.09 x 3.06 x 3.06 inches Package Weight: 1.02 lb Package Quantity: 1 UPC: 021625823584 ACDelco Market Indicator CA - L0: Y ACDelco Market Indicator US - L0: Y Belt Type: Serpentine Color: Black Features & Benefits - Bullet 1: Helps repair noisy idler pulley bearing Features & Benefits - Bullet 2: Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE) Features & Benefits - Bullet 3: GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle Features & Benefits - Bullet 4: 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 Features & Benefits - Bullet 5: GM regularly updates production and service part designs to integrate new materials and technologies Height (in): 2.05 in Length (in): 10.65 in Material: Steel Meets or Exceeds Original Equipment Manufacture Specifications: Yes Mount Hole Diameter (in): 0.472in Mount Hole Diameter (mm): 12mm Mount Hole Quantity: 1 Outside Diameter: 2.99 IN Outside Diameter: 76 MM Product Description: GM Genuine Parts Accessory Drive Belt Idler Pulleys are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These accessory drive belt idler pulleys are part of the accessory drive belt system on the front of your engine. 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. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE). ⚠ <bold>WARNING:</bold> Cancer and Reproductive Harm - <Underline>https://www.P65Warnings.ca.gov</Underline> Volume (cu in): 64.4cu in Weight (lb): 0.78 lb Width: 2.95 IN Country of Origin: US