Gates Radiator Coolant Hose P/N:51722
Keep coolant flowing between the engine and radiator with the Gates Radiator Coolant Hose 21438. It installs as a direct-fit replacement on the 1984-1988 Buick Century, 1985 Buick Electra, 1986-1988 Chevrolet Camaro, 1999-2004 Mitsubishi Diamante, 1985 Oldsmobile 98, 1984-1988 Oldsmobile Cutlass Ciera, 1987-1988 Oldsmobile Cutlass Cruiser, 1992 Plymouth Colt, and 1985-1988 Pontiac Firebird — see the Buyer's Guide tab for the full application list.
Signs the original hose may need replacing include coolant seepage or drips, cracked or hardened rubber, soft or bulging sections, and swelling at the clamp ends. If a failed hose is the cause of coolant loss, this replaces it.
Interchange: 24159L · MH-4438 · MH4438 · C1438 · 14-1854-0 · 1418540 · 71203 · E71203 · 51319702 · 25516661 · 25517352 · 25524330 · MR450959 · KM-2166 · KM2166 · 8150 · 2103
Manufacturer part number 21438.
This part cross-references / interchanges with the following part numbers:
What does this hose do?
It carries engine coolant between the radiator and the cooling system, moving heat away from the engine as part of the vehicle's cooling circuit.
Is this an upper or lower radiator hose?
It is cataloged for the upper and lower radiator hose positions depending on the application. Check the position needed for your specific vehicle.
Which vehicles does the 21438 fit?
Listed applications include the 1984-1988 Buick Century, 1986-1988 Chevrolet Camaro, 1999-2004 Mitsubishi Diamante, and 1985-1988 Pontiac Firebird. See the Buyer's Guide tab for the full list.
How do I know if my coolant hose needs replacing?
Common signs include coolant leaks or drips, cracked or hardened rubber, soft or bulging sections, and swelling near the clamp ends. Diagnose the source of any leak before replacing.
What numbers does this hose interchange with?
It cross-references 24159L, MH-4438, C1438, 14-1854-0, 71203, E71203, 51319702, 25516661, 25517352, 25524330, MR450959, KM-2166, 8150, and 2103.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.