Heater Hose Fitting, 1/2″ NPT to 3/4″ & 5/8″ Barb (2-Pack) | Water Pump & Intake
Leak-Free Coolant Connections: The precise 1/2″ NPT to 3/4″ or 5/8″ barb design secures hoses at the water pump and intake manifold, maintaining steady flow for the heater core and engine cooling. Compatible with Most Engines: Fits 1/2″ NPT ports on SBC, BBC, and SBF engines; includes 3/4″ & 5/8″ barb adapters for secure coolant flow in Chevy models.