Cooling Parts for Jeep CJ5
Water Pumps, Thermostats, Radiators & Belts for Reliable Engine Cooling (1972-1983).
Why the Cooling System in the Jeep CJ5 Develops Weak Points Over the Decades.
The cooling system of the Jeep CJ5 from model years 1972 to 1983 is the lifeline of every engine under the hood – whether the 2.5-liter four-cylinder, the 3.8- and 4.2-liter six-cylinders, or the powerful 5.0-liter V8. After decades in service, typical weak points appear: the water pump loses pumping capacity, and gaskets at the pump housing and thermostat housing become brittle and start leaking. Radiator hoses harden, crack, or burst under pressure, while the radiator itself loses cooling capacity due to scale and rust buildup. The fan clutch's temperature control weakens over time, serpentine belts fray or snap, and the fan shroud can suffer corrosion damage. Anyone driving their CJ5 off-road or in high temperatures should inspect the entire cooling system regularly – overheating can otherwise quickly lead to costly engine damage.
- Water Pumps & Gaskets: The matching water pump for each engine variant and the individual water pump gasket for repairs.
- Thermostat & Housing: The thermostat with 82° opening temperature and the complete thermostat housing set including gasket.
- Radiator Hoses: The lower radiator hose and the upper radiator hose matched to your engine.
- Radiator & Accessories: The 3-core radiator and the matching radiator fan shroud for optimal airflow.
- Fan Clutch & Belts: The fan clutch for temperature-controlled fan speed and the serpentine belt driving the accessories.
- Air Intake Hose: The air intake tube to the air cleaner for correct intake routing.
American Brand Quality for Your Cooling System.
Most of the range comes from Crown Automotive – water pumps, radiator hoses and the fan clutch all carry their name. OEM-grade water pumps and serpentine belts are supplied by Gates, thermostat housings by Dorman, and the radiator plus fan shroud by Omix. The temperature sending unit comes from Standard Ignition – all American brands with decades of cooling-system expertise.
Your Partner for CJ5 Cooling.
Whether it's a single gasket or a complete cooling system overhaul – we're happy to advise on engine variant, coolant capacity, torque specs and the correct installation order, including compatibility questions for the related Jeep CJ6, CJ7 and CJ8 models. Your order ships from our warehouse as fast as possible after purchase, so you're back on the trail in no time.