Cooling Parts Jeep CJ5
Water Pump, Radiator Cap & Fan Blade for Reliable Engine Cooling (1955–1971).
Why the Cooling System in the Jeep CJ5 Develops Weak Points Over the Decades.
The cooling system of the Jeep CJ5 from 1955 to 1971 runs on either the rugged 4-134cui F-Head engine or later six-cylinder units, depending on model year – and after decades of service it's especially prone to wear. The water pump loses sealing integrity through constant rotation and heat exposure, bearing play develops, and the gasket becomes brittle or tears. The radiator cap gradually loses its sealing pressure over time, meaning the cooling system can no longer build the necessary pressure and coolant evaporates prematurely. The fan blade wears down too, with blades bending or rivets loosening, noticeably reducing cooling performance. Since many of these vehicles today are driven mainly in summer and off-road, a fully functional cooling system is essential to reliably prevent engine damage from overheating.
- Water Pump: The complete water pump including gasket with single pulley for the 4-134cui engine.
- Water Pump Gaskets: The individual water pump gasket for the 4-134cui engine as well as the water pump gasket for later CJ, Wrangler and Cherokee engines.
- Radiator Cap: The 7 Lbs. radiator cap for vehicles with a side-mounted radiator.
- Fan Blade: The radiator fan blade with an 18-inch diameter for later CJ5 model years.
American Brand Quality for Your Cooling System.
All cooling parts in this category come from Crown Automotive – one of the best-known names in the American aftermarket for classic Jeep and Willys vehicles. Whether it's the water pump, gasket, radiator cap, or fan blade, Crown Automotive manufactures every part to OEM specification, bringing dependable American engineering to your restoration.
Your Partner for Jeep CJ5 Cooling System Parts.
If you have questions about the correct water pump variant for your engine (F-Head or L-Head), the right torque spec for the radiator cap, or compatibility with earlier CJ and Willys model years, we're happy to advise you personally and can also help with bleeding the cooling system after a water pump replacement. Your order ships from our warehouse as fast as possible, so you can get your cooling system back in shape quickly.