OER Parts offers a wide selection of Brake Components for your 2004 GMC Canyon. OER Parts offers 2004 GMC Canyon Brake Lines & Hoses, 2004 GMC Canyon Brackets, 2004 GMC Canyon Brake Valves, 2004 GMC Canyon Clips, 2004 GMC Canyon Distribution Block, 2004 GMC Canyon Fittings and Tees, 2004 GMC Canyon Rubber Hoses, 2004 GMC Canyon Shields, and 2004 GMC Canyon Steel Lines.