Replaces 89018778, 89019351, 19260762, 52495874, 251946786, 52416100, 22754990, 15850268, 10325408, 10356906, 10397570, 15827470, 15827491, 52497491, 89018653, 89018849, 89018964, 93803635, 93803636, 4P1516, 4P1595, 15-80567, 53-69738, BR532, RU-631, 20340, RU1321, MT1805, BMR34, JA1639, 15-81773, 2-BMR34. Compatible with Buick 04-07 Rainier; Compatible with Isuzu 2003-2006 Ascender; Compatible with Oldsmobile 03-04 Bravada; Compatible with Saab 05-06 9-7x. Compatible with Chevrolet 2003-2006 Avalanche 1500 2500, 03-06 SSR/Silverado 1500 1500 HD 2500 2500 HD 3500/Suburban 1500/Tahoe/Trailblazer EXT, 03-04 Silverado 2500; Compatible with GMC 2003-2006 Envoy/Envoy XL, 04-05 Envoy XUV, 03-06 Sierra 1500/1500 HD, 03-04 Sierra 2500, 03-06 Sierra 2500 HD/3500/Yukon/Yukon XL 1500 2500; Compatible with Cadillac 2003-2006 Escalade/Escalade ESV/Escalade EXT. NITOYO AC Blower Motor Resistor Kit HVAC Blower Control Module adjusts resistance to precisely regulate blower motor speed, maintaining stable AC system operation while preventing overheating and circuit breaks. Designed for direct OEM replacement with simple installation, it offers 12-month warranty as a cost-effective solution. NITOYO AC Blower Motor Resistor Kit combines robust ABS plastic with sturdy metal cooling fins, delivering exceptional heat dissipation and structural integrity for reliable performance under prolonged high-current loads, ensuring long-term durability