Gates 51392 Radiator Coolant Hose - Upper or Upper - Engine To Radiator

Gates 51392 Molded Coolant Hose

Gates 51392 is a molded radiator coolant hose built to OEM-quality specifications for upper, lower, bypass, heater, and other coolant routing applications. Made from EPDM, it is shaped for a precise fit and reliable coolant transfer in the engine cooling system.

The Gates Molded Coolant Hose line is engineered as a direct replacement option for a wide range of radiator hose applications, helping reduce the time spent sourcing OE dealer parts. This hose is a practical choice for drivers and technicians servicing vehicles that use a molded coolant hose with a 1.31-inch end, a 2-inch end, and a 38.2-inch centerline length.

Key Features

• Part number 51392
• EPDM construction for cooling-system use
• Molded shape for application-specific routing
• End 1 inside diameter: 1.31 in. (33 mm)
• End 2 inside diameter: 2 in. (51 mm)
• Centerline length: 38.2 in. (970 mm)
• No spring included

Product Details

This radiator coolant hose is part of Gates’ Molded Coolant Hose product line, which covers multiple coolant system positions including upper, lower, bypass, and heater hose applications. Gates 51392 is built for vehicles that require a molded hose profile rather than a universal straight hose, making it a strong match for service work where routing and fit are critical. This part cross-references Monroe Shocks & Struts (e.g., 0533731001, F11517) for the same application.

Compatible With select vehicle cooling-system applications, including Honda Civic fitment searches where the correct molded radiator hose profile is required. Gates 51392 also appears in searches for molded coolant hose replacement, EPDM radiator hose, and OEM-style coolant hose service parts.

Common Problems It Can Address

• Cracked or split radiator hose material
• Coolant leaks at a molded hose section
• Collapsed hose routing under heat and pressure
• Incorrect fit from a generic straight hose
• Cooling-system service on a worn OE hose

Installation Notes and Tips

Verify end diameters, centerline length, and hose routing before installation. Match the molded shape to the original hose path and inspect adjoining clamps, necks, and coolant connections for wear or corrosion. Drain coolant safely before removal and refill the system according to the vehicle service procedure after installation.

Quality Assurance

Gates manufactures molded coolant hoses to OEM-quality specifications for radiator and heater circuit service. Part number 51392 is built as a replacement hose for cooling-system repairs where accurate fit and material compatibility matter.