Gates 23877 Radiator Coolant Hose - Heater - Outlet Assembly

Gates Molded Coolant Hose for OE-Style Cooling Service

The Gates 23877 molded coolant hose is built for specific vehicle applications and follows OEM-style routing with integrated modular features. It is a direct-fit radiator coolant hose for the heater outlet assembly on select Ford Expedition and Lincoln Navigator models.

Key Features

• Gates Molded Coolant Hose line for application-specific cooling system service
• Part number 23877
• EPDM, plastic, and steel construction for coolant system use
• Molded hose design with one branch and three female quick connectors
• Centerline length: 16 in. (164 mm / 6.47 in.)
• End inside diameter: 0.62 in. (16 mm) at each end
• Modular hose assembly with OE-style integrated components

Product Details

Gates Molded Coolant Hose 23877 is part of the brand’s modular coolant hose line, which is built for specific applications and mirrors original equipment-style layouts. This hose includes integrated branch and quick-connect features that match the routing and connection style used on the vehicle cooling circuit. It is listed for the heater - outlet assembly on 2009-2010 Ford Expedition and 2009-2010 Lincoln Navigator models.

This part cross-references Dorman OE Solutions 626-584 for the same application.

Common Cooling System Issues It Can Address

• Cracked or leaking heater outlet hose connections
• Damaged quick-connect fittings at the coolant line
• Improper hose routing from a previous repair
• Coolant seepage at molded branch sections
• Heat-related hose deterioration in the engine bay

Installation Notes and Tips

Verify the hose routing, connector style, and end diameters before installation. This hose is listed for the heater - outlet assembly on 2009-2010 Ford Expedition and 2009-2010 Lincoln Navigator, so confirm the vehicle’s cooling layout matches the original part before replacement. Inspect mating connectors and adjacent cooling components for wear, contamination, or damage before reconnecting the system.

Quality Assurance

Gates is an established automotive aftermarket supplier with a focus on modular coolant hose assemblies that follow OE-style specifications and integrated component layouts for application-specific fitment.