Gates 20869 Radiator Coolant Hose - Upper

Gates 20869 Molded Coolant Hose Overview

The Gates 20869 molded coolant hose is an OEM-style radiator coolant hose built for upper cooling-system applications. Made from EPDM and formed to the correct molded shape, it helps restore proper coolant routing on select Buick, Oldsmobile, Pontiac, and Cadillac vehicles.

Compatible With classic upper hose applications on vehicles such as the Buick Skylark, Buick LeSabre, Oldsmobile Delta 88, and Pontiac LeMans, this Gates molded coolant hose is sized for a 1.5 in. / 38 mm inside diameter at both ends with a 27.9 in. / 709 mm centerline length.

Key Features

• Gates Molded Coolant Hose line for radiator, heater, bypass, and other coolant routing needs
• EPDM construction for coolant-system service
• Molded shape for direct routing in upper hose applications
• 1.5 in. (38 mm) inside diameter at both ends
• 27.9 in. (709 mm) centerline length
• No spring and no quick-connect fittings
• Part number 20869 for catalog and fitment lookup

Product Details

Gates 20869 is part of the Molded Coolant Hose product line, which covers upper, lower, bypass, heater, and other coolant applications with OEM-quality specifications. This hose is shaped for the routing required by select older GM platforms, including Buick Skylark, Buick Century, Buick LeSabre, Buick Regal, Buick Riviera, Oldsmobile 98, Oldsmobile Delta 88, Oldsmobile Omega, Pontiac Grand LeMans, Pontiac LeMans, and Cadillac Seville. The molded design helps match the original hose path, while the EPDM material supports dependable coolant-system service.

This part cross-references Dayco 70715 for the same application.

Common Problems This Hose Can Address

• Cracked or hardened upper radiator hose
• Coolant leaks at the hose body or bends
• Incorrect hose routing after a previous replacement
• Softening or swelling from age and heat exposure
• Fitment issues when a straight hose will not follow the original path

Installation Notes and Tips

Verify the hose shape, end diameters, and centerline length before installation. Confirm the vehicle application by year, make, model, and upper hose position, especially on older Buick, Oldsmobile, Pontiac, and Cadillac cooling systems. Inspect hose necks, clamps, and adjacent cooling components for wear before installing the new hose.

Fits 1967-1968 Oldsmobile 98, Upper; 1967-1968 Oldsmobile Delta 88, Upper; 1968 Buick Skylark, Upper; 1970 Buick Skylark, Upper; 1971-1974 Buick LeSabre, Upper; 1971-1972 Buick Skylark, Upper; 1972-1974 Buick Riviera, Upper; 1973-1974 Buick Century, Upper; 1973-1974 Buick Regal, Upper; 1975-1976 Buick Skylark, Upper; 1975-1976 Oldsmobile Omega, Upper; 1976 Cadillac Seville, Upper; 1976 Pontiac Grand LeMans, Upper; 1976 Pontiac LeMans, Upper; 1979 Cadillac Seville, Upper.

Quality Assurance

Gates manufactures this molded coolant hose to OEM-quality specifications for replacement cooling-system service. The Gates 20869 is built as a direct-fit molded hose for the listed applications and is backed by Gates' established aftermarket hose engineering.