Gates 20983 Radiator Coolant Hose - Upper

Gates 20983 Molded Coolant Hose Overview

The Gates 20983 molded coolant hose is an OE-style radiator coolant hose built for upper cooling-system routing on select Pontiac and Ford applications. Made from EPDM and formed to the correct molded shape, it supports a direct replacement for vehicles that need a precise coolant hose fit, including Pontiac Firebird, Pontiac GTO, Pontiac LeMans, Pontiac Tempest, Pontiac Bonneville, Pontiac Catalina, Pontiac Grand Prix, and Ford LTD applications.

Gates Molded Coolant Hose line covers upper, lower, bypass, heater, and other coolant routing needs with OEM-quality specifications. Part number 20983 is part of that molded hose family, giving buyers a replacement option for radiator hose service without needing to source the original dealer part.

Key Features

• Brand: Gates Molded Coolant Hose
• Part number: 20983
• Material: EPDM rubber for coolant-system use
• Molded hose construction for formed routing
• End inside diameter: 1.5 in. / 38 mm at both ends
• Centerline length: 31 in. / 787 mm
• Contains spring: No
• Quick connect fittings: 0

Detailed Product Description

Gates 20983 is a molded radiator coolant hose engineered for upper hose applications where the hose must follow a specific factory-style path. The EPDM construction is suited for coolant service, while the molded profile helps maintain routing and clearance in the engine bay. This hose is listed for upper-position use on multiple Pontiac models, including Pontiac Firebird, Pontiac GTO, Pontiac LeMans, Pontiac Tempest, Pontiac Bonneville, Pontiac Catalina, and Pontiac Grand Prix, plus 1969 Ford LTD upper hose applications noted as cut-to-fit for vehicles without air conditioning.

This part cross-references Four Seasons 20983 and Dayco 70480 for the same application.

What This Hose Helps Address

• Cracked or deteriorated upper radiator hose material
• Coolant leaks at the hose body or connection points
• Incorrect hose routing from a previous replacement
• Heat-related hose swelling, softening, or collapse
• Service replacement for aging Pontiac and Ford cooling systems

Installation Notes and Tips

• Verify the vehicle’s year, make, model, and upper-hose routing before installation.
• Check both hose ends for the listed 1.5 in. / 38 mm inside diameter.
• Inspect clamps, necks, and adjoining cooling-system components before reuse.
• For listed cut-to-fit applications, trim only as required for the vehicle configuration.
• Confirm clearance around belts, pulleys, and fan components after installation.

Quality Assurance

Gates manufactures this molded coolant hose to OEM-quality specifications for replacement use in cooling-system service. The Gates molded coolant hose line is built to cover a wide range of radiator, heater, bypass, and related coolant applications.