Cooling System & Parts for Jeep CJ2A

Cooling System Components & Hardware for Jeep CJ2A: Hoses, Radiators, Thermostats, Gaskets & More.

Protect your classic Go-Devil engine from overheating during trail rides and historic displays. We offer a comprehensive catalog for the early civilian Jeep cooling circuit – from reliable mechanical water pumps to factory-correct radiators by MD Juan.
  • Heat Exchange: Museum-grade replacement MD Juan radiators (without shroud) and matching radiator fan shrouds.
  • Coolant Flow: Heavy-duty mechanical water pumps including high-durability backing seals by Crown.
  • Thermal Control: Factory-style thermostat housings by Omix and matching housing gaskets by Crown Automotive.
  • Hose Routings: Pre-formed, durable replacement lower coolant hoses engineered by Omix.

Lower Radiator Hose for 2,2 L L-Head Go Devil Engine. Jeep CJ / Willys MB / M38 / M38A1 / Ford GPW  (1941-1952).
Only fits for 2.2L 4-134 L-Head Go Devil Engine.
27,90 EUR
incl. 19% tax excl. Shipping costs
Radiator Shroud Jeep Willys MB CJ2A 42-49
Radiator Shroud 4-134 L-Head Engine
79,90 EUR
incl. 19% tax excl. Shipping costs
MD Juan Radiator Engine Cooling Jeep Willys CJ2A (1945-1949)
This radiator without Shroud acts as a cooling system component and efficiently regulates the engine temperature.
599,90 EUR
incl. 19% tax excl. Shipping costs
Thermostat Housing Gasket for 2.2L Go Devil L-Head engine. Jeep CJ / Willys MB / M38 / M38A1 / Ford GPW (1941-1953).
Only fits for 2.2L 4-134 L-Head Go Devil Engine.
2,50 EUR
incl. 19% tax excl. Shipping costs
Thermostat Housing for 2.2L L-Head Go Devil engine. Jeep CJ / Willys MB / M38 / M38A1 / Ford GPW (1941-1953).
Only fits 2.2L 4-134 L-Head Go Devil Engine.
43,90 EUR
incl. 19% tax excl. Shipping costs
Water Pump Gasket Jeep CJ + Willys 41-71 with 4-134 cui
SOLD OUT
3,90 EUR
incl. 19% tax excl. Shipping costs
Water Pump Jeep CJ + Willys 41-71 with 4-134 cui
Water Pump incl. Gasket with Single Pulley
139,90 EUR
incl. 19% tax excl. Shipping costs
1 to 7 (from a total of 7)

Preserving Flatfender Thermal Efficiency: Premium Cooling Solutions for Your Jeep CJ2A.

The factory cooling layout of the 1946–1949 Jeep CJ2A civilian Jeep is vital to keep the iconic 134 Cui side-valve engine („Go-Devil“) running at optimal operating temperatures under hard farm or trail use. When operating your vintage 4x4 at slow crawling speeds or idling during historical classic car shows, proper heat exchange is heavily dependent on a flawless mechanical circuit. A weak water pump impeller, a heavily pitted thermostat housing, or a clogged radiator core can quickly cause localized hot spots and compromise your flathead block. Our specialized online inventory features highly precise replacement components engineered to strict factory standards.


Authentic Styling and New-Era Cooling Capacity: MD Juan, Crown & Omix.

For high-end engine bay restorations, we strictly rely on the historical replication standards of MD Juan. We stock official reproduction MD Juan radiators (shroud-less) along with the period-correct radiator fan shroud to focus your blade airflow perfectly through the cooling matrix.
Restore your engine's internal coolant circulation with replacement mechanical water pumps from Crown Automotive, packed complete with heavy-duty mounting seals. Keep your block's cooling transitions tightly sealed with factory-style thermostat housings from Omix and exact-fit thermostat housing gaskets from Crown. Our range is finalized by heavy-wall lower coolant hoses from Omix, engineered to handle cooling system pressures seamlessly while maintaining that classic vintage look underneath your flatfender hood.


Expert Support for Your Historic Jeep CJ2A Cooling Overhaul.

Overhauling a vintage L-head cooling circuit requires absolute precision regarding fluid chemical compatibility to avoid damaging historical cast-iron blocks and solder materials. Our outstanding customer service is here to guide you through selecting the correct thermostat setups and hose routings tailored to your specific post-war production year. With our fast shipping, your replacement cooling parts will arrive quickly, keeping your classic Jeep CJ2A running strong and road-ready.