DunGu Blower Motor Resistor and Wire Harness Kit - Part#s 15 89019088, 973-405, 15-81086, 22807123 - Chevy Silverado, Tahoe, Suburban, Avalanche, GMC Sierra, Yukon, Cadillac Escalade With Manual A/C Restores heating and cooling system to original peak performance Fits models with manual climate control. DOES NOT work on vehicles with automatic climate control. There are multiple options available for these applications. Please verify your resistor has a 4 Bolt Mounting Flange Interchange number: 22807123 89019088 Mounting and connector identical to OE. 60-Days Money Back Guarantee, 1-Year Warranty Coverage for any defect confirmed as manufactuer's defect.