Specifications Interchange Part Number: 15-40545, 23505629 Other Part Number: 22986662, 84317500 Color: Black, Silver Applicable Models: CHEVROLET SILVERADO 2015-2019 Material: Steel, Copper, Plastic Condition: New Process: CNC Lathe Processing, Forging, Electroplating Way of Installation: Direct Installation Bearing Speed: 5000 rpm Quantity: 1 Mounting Hole Quantity: 1 Terminal Quantity: 2 AltPA-3675-Mm: 115.89 Wire Quantity: 2 Terminal Type: Pin Programming Required: NO Connector Quantity: 1 Mounting Type: Bolt on Voltage: 12V Vintage Part Indicator: N Clutch Maximum Diameter: 4.563 IN Grooves: 4PK Pulley Diameter: 114mm/ 4.49 inch Gross Weight: 1kg/2.2 lb Package Size: 15*15*7cm/0.6*0.6*0.3 inch Bearing Specification: 35*52*20mm/1.38*2.0*0.