Gates 23931 Radiator Coolant Hose - Heater Inlet

Gates 23931 Molded Coolant Hose

Gates 23931 is a molded radiator coolant hose built for specific rear-heater applications on select Chrysler, Dodge, and Volkswagen vehicles. It follows OEM-style routing and integrates a female quick connector and branch section for a direct-fit cooling system repair.

The Gates Molded Coolant Hose line is engineered for application-specific replacement, with molded construction and integrated OE-style components where required. This hose uses EPDM, plastic, and steel materials to match the demands of modern coolant circuits.

Key Features

• Molded radiator coolant hose for heater inlet service
• Application-specific design for rear-heater configurations
• Integrated branch and female quick connector
• EPDM, plastic, and steel construction
• Centerline length: 10.75 in. (273 mm)
• End 1 inside diameter: 0.63 in. (16 mm)
• End 2 inside diameter: 0.63 in. (16 mm)
• No spring included

Product Details

Gates 23931 is a modular coolant hose assembly made for vehicles that require a molded heater inlet hose with OE-style integrated components. It is listed for 2008-2009 Chrysler Town & Country, 2008-2009 Dodge Grand Caravan, and 2009 Volkswagen Routan with rear heater equipment. This part cross-references Dorman OE Solutions 626-307 for the same application.

What It Helps Address

• Coolant leaks at a cracked or aged heater inlet hose
• Restricted coolant flow caused by hose deterioration
• Fitment issues from using a non-molded replacement hose
• Connection problems at the quick-connect interface
• Rear heater service on Chrysler Town & Country, Dodge Grand Caravan, and Volkswagen Routan

Installation Notes

Verify the vehicle’s rear-heater configuration before ordering. Match the molded shape, branch layout, and quick-connector style to the original hose routing. Inspect adjoining coolant fittings and sealing surfaces during replacement, and confirm the hose is seated fully before refilling and bleeding the cooling system.

Quality Assurance

Gates is a recognized automotive aftermarket supplier with a focus on modular coolant hose assemblies that mirror OE-style component integration for specific applications.