Gates 20582 Radiator Coolant Hose - Lower or Upper

Gates 20582 Molded Coolant Hose

The Gates 20582 molded coolant hose is an EPDM radiator coolant hose built for upper, lower, bypass, heater, and other coolant routing applications that require OEM-style dimensions. It is shaped for direct replacement use on select Chevrolet, GMC, and Pontiac vehicles, including lower hose applications on classic Blazer, C10 Suburban, C20 Suburban, and Jimmy models.

Key Features

• EPDM construction for coolant-system service
• Molded hose profile for formed routing and proper fit
• 1.75 in. inside diameter at both ends
• 19.5 in. centerline length
• No spring, no modular sections, and no quick-connect fittings
• Built to OEM-quality specifications for radiator hose replacement
• Gates 20582 part number for easy identification

Product Details

Gates Molded Coolant Hose line covers a wide range of radiator and heater hose applications with formed shapes that match original routing requirements. Part number 20582 is a molded EPDM hose with equal 1.75-inch ends and a 19.5-inch centerline length, making it suitable for coolant paths that need a preformed bend rather than a universal straight hose. This hose is listed for lower-position applications on 1967-1970 Chevrolet C10 Suburban and C20 Suburban models, 1969-1970 Chevrolet Blazer, and 1970 GMC Jimmy, plus upper-position applications on 1963 Pontiac Bonneville, Catalina, and Grand Prix. This part cross-references Dayco 70575 for the same application.

What It Helps Address

• Cracked or aged radiator coolant hose material
• Improper hose routing on formed coolant lines
• Leaks at the radiator hose connection points
• Replacement needs for lower hose applications on classic Chevrolet and GMC trucks/SUVs
• Replacement needs for upper hose applications on 1963 Pontiac full-size models

Installation Notes

Verify the vehicle year, make, model, and hose position before ordering. This hose is listed for cut-to-fit use on certain Chevrolet and GMC lower-hose applications without air conditioning or without X.C., so confirm the original routing and trim only as required by the vehicle listing. Check end diameters and centerline length against the removed hose before installation. For best results, inspect clamps, radiator necks, and adjoining coolant components during service.

Quality Assurance

Gates manufactures this molded coolant hose to OEM-quality specifications for radiator and heater hose replacement. The Gates 20582 is part of the brand’s molded coolant hose line, which is offered across a broad range of replacement applications.