This manual heater climate control unit is designed for use in 2003-2006 Chevrolet Silverado, Tahoe, GMC Sierra, and Yukon vehicles. It is a reliable replacement part with interchangeable part numbers 15132072, 15136888, 15136889, 10370034, and more. This unit is ideal for those who want to maintain the temperature of their car's interior, and it comes with a superseded part number AC A/C AIR-CONDITIONING BLOWER VENT FAN DEFROST. Please note that this product is compatible with AVALANCHE 4X4 SUBURBAN YUKON TAHOE 1500 2500 TRUCK PICK UP SUV