When the plastic original equipment HVAC cooling hose quick connector becomes brittle from heat and abrasion, and cracks, leaks and breaks free from the cooling hose, the dealership solution is a similar plastic replacement. Avoid a similar future failure by upgrading your repair with this more rugged Dorman OE FIX metal connector. Designed to match the performance of the factory design but engineered to far exceed its service life, this sturdy and reliable replacement connector is manufactured to precise standards for a seamless fit on specified Cadillac, Chevrolet and GMC vehicles.