[Vehicle Fitment]: Compatible with Cadillac Escalade EXT 2003-2006; Compatible with Chevrolet Avalanche 1500/2500 2003-2006, Silverado 1500/2500/3500 2003-2006, Silverado 1500/3500 Classic 2007, Silverado 1500 HD 2003 2005-2006, Silverado 1500/2500 HD Classic 2007; Compatible with GMC Sierra 1500/3500 2003-2006, Sierra 1500/3500 Classic 2007, Sierra 1500 HD 2003 2007, Sierra 1500/2500 HD Classic 2007, Sierra 2500 2007, Sierra 2500 HD 2003-2006; Compatible with Hummer H2 2003-2007 [Reference Number]: 88986838, 89019301, 89019320, GM3126130, 700191 [Attention Note]: It only fits the model without Automatic Temperature Control & without Custom Center Console; It only fits clamp-type blowers, doesn't fit mounting holes.
