Gates 21324 Radiator Coolant Hose - Lower

Gates 21324 Molded Lower Coolant Hose

The Gates 21324 molded coolant hose is built for lower radiator hose service on a wide range of GM and Jeep applications. Made from EPDM and formed to OEM-style dimensions, it supports a direct replacement for vehicles that need a shaped coolant hose with the correct end sizes and centerline length.

Key Features

• EPDM construction for coolant system durability
• Molded design for proper routing in tight engine bays
• End 1 inside diameter: 1.5 in. (38 mm)
• End 2 inside diameter: 1.75 in. (44 mm)
• Centerline length: 19.8 in. (503 mm)
• No spring, no branch, and no quick-connect fittings
• Lower radiator coolant hose application

Product Details

Gates Molded Coolant Hose line is engineered for upper, lower, bypass, heater, and other coolant routing needs using OEM-quality specifications. Part number 21324 is a molded lower hose that follows the factory-style shape needed for proper fitment in vehicles such as the Chevrolet Camaro, Pontiac Firebird, and Jeep CJ7. This hose is also listed for Buick Regal, Chevrolet Monte Carlo, Oldsmobile Cutlass, Pontiac Grand Prix, and related applications where the lower coolant hose route matches the molded profile.

This part cross-references Dayco 71131 for the same application.

Vehicle Fitment

• Fits 1985-1992 Chevrolet Camaro, lower
• Fits 1982-1984 Chevrolet Camaro, lower; radiator and HVAC compatible coolant and heater hose
• Fits 1985-1986 Chevrolet Astro, lower
• Fits 1982-1987 Chevrolet El Camino, lower
• Fits 1982-1983 Chevrolet Malibu, lower
• Fits 1982-1988 Chevrolet Monte Carlo, lower
• Fits 1985-1992 Pontiac Firebird, lower
• Fits 1982-1984 Pontiac Firebird, lower; HVAC heater hose with A/C, fits serpentine belt application
• Fits 1982-1983 Pontiac Firebird, lower; W/X.C. - radiator coolant hose
• Fits 1983 Pontiac Firebird, lower
• Fits 1982-1987 Pontiac Grand Prix, lower
• Fits 1983-1986 Pontiac Bonneville, lower
• Fits 1982-1987 Buick Regal, lower
• Fits 1985-1987 Oldsmobile Cutlass, lower
• Fits 1982-1984 Oldsmobile Cutlass Calais, lower
• Fits 1982-1983 Oldsmobile Cutlass Cruiser, lower
• Fits 1982-1983 Oldsmobile Cutlass Supreme, lower
• Fits 1985-1987 Oldsmobile Cutlass Supreme, lower
• Fits 1985-1987 Oldsmobile Cutlass Salon, lower
• Fits 1987 Oldsmobile Cutlass Salon, lower; Eng. VIN H
• Fits 1985 Chevrolet Camaro, lower; radiator and HVAC compatible coolant and heater hose
• Fits 1983-1986 Jeep CJ7, lower
• Fits 1983-1985 Jeep Scrambler, lower
• Fits 1983-1986 GMC Safari, lower

Installation Notes

Verify the hose routing, end diameters, and centerline length against the original part before installation. Some listed applications note special cooling or HVAC configurations, including vehicles with or without air conditioning and certain engine or serpentine belt setups. Confirm the lower hose path and trim only if the vehicle listing specifically calls for it.

Quality Assurance

Gates manufactures this molded coolant hose to OEM-quality specifications for replacement use in factory-style cooling systems. The EPDM construction and molded shape are selected to support consistent fitment in the specified Chevrolet Camaro, Pontiac Firebird, and Jeep applications.