1977 Pontiac Grand Prix Heater/A/C Control Valve by Old Air Products®
Vacuum-operated heater valve uses 5/8-inch coolant connections and the factory hose/control layout.
This Old Air Products® heater/A/C control valve is configured for 1977 Pontiac Grand Prix. The valve regulates engine-coolant flow through the heater circuit in response to the factory vacuum control signal. The valve uses 5/8-inch inlet and outlet hose connections with the application-specific vacuum connection arrangement.
• 1977 Pontiac Grand Prix heater/A/C control valve
• Vacuum-operated coolant control
• 5/8-inch inlet and outlet connections
• Old Air Products® part 25-4691
• Factory hose/control layout
WARNING: This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
