Description: Material: Made of high quality plastic, rugged and not easily damaged.Fitment: For Chevrolet Silverado 1500/2500/3500; for Chevy Silverado 2500 HD; for Chevy ; for Chevy Avalanche 1500/2500; for Suburban 1500/2500; for GMC Sierra 1500; for Oldsmobile 2003-2004, and more.Function: This blower motor resistor controls the fan speed in your AC and heating system. If your vehicles air conditioner no longer blows or if you can no longer adjust the air flow with your air conditioning controls, it may be time to replace your vehicles blower motor resistor.Easily install into your AC blower motor. Perfectly with the old car, can be replaced directly, and replaced without complicated steps. Located under the dash panel on the paenger side. Simply remove the screws, unplug the electrical connector on the resistor and the pigtail that secure the blower motor resistor from the blower, remove the resistor or heater control relay aembly, and install the new resistor in place.Replaces part numbers: 1580567, 93803636, 52413530, 52409643, 52495874, 89018778, 89018964, 4P1516, 15-80567. Specification: Size:10x8x8cm/3.94x3.15x3.15inchesWeight: 200g Package Includes: 1 Piece Blower Motor Resistor Note: 1.Please check compatibility chart, part photos, part number above carefully to make sure it is what you need.2.Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.