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The Gates heater hose is a molded hose that connects the heater to the intake manifold on 1986–1991 Chevrolet G‑Series vans with the 5.7L V8, restoring proper heater circuit routing. Its molded configuration matches the heater-to-manifold path for that engine and model years, serving as an application-specific replacement to keep coolant flowing correctly between the heater and the intake manifold connection.
Gates 86-91 Chevrolet G Series Van V-8 5.7L Heater To Intake Manifold Molded Heater Hose
