The Gates coolant crossover hose for 2007–2013 Chevrolet Silverado 5.3L V8 serves as the air‑bleed crossover pipe, routing coolant between engine circuits. Made to match the intended Silverado 5.3L configuration, this replacement hose helps evacuate trapped air and preserves proper coolant flow across the engine and heater system during routine servicing.

Gates 07-13 Chevrolet Silverado V-8 5.3L Coolant Air Bleed Crossover Pipe Heater Hose