Jeep J20 Thermostats and Housings
This page brings together thermostats and housings for the Jeep J20, covering model years 1974–1988. The range includes engine coolant thermostats, thermostat housings, water outlets, and complete kits — available as OE replacement and performance-style parts, many sold with gaskets included. Choose your model year above and this page keeps only the thermostats and housings that fit your Jeep J20. Each listing is matched to our vehicle fitment data before it appears here.
Derale Performance 15719 Billet Fluid Control Thermostat Kit 1/2" NPT 180°F
Mishimoto MMTS-WRA-87L Racing Thermostat Low-Temp 180°F Jeep Wrangler 2.5L/4.0L/4.2L 1987-2006
Mishimoto MMTS-MUS-86A Street Thermostat for 1986-1995 Ford Mustang GT/Cobra
What's here for your Jeep J20
- Engine Coolant Thermostats — including OE replacement and performance styles, some sold as kits with gaskets
- Engine Coolant Thermostat Housings — the mounting housing that secures the thermostat in place
- Engine Coolant Water Outlets — the outlet fitting through which coolant exits the engine
- Thermostat and Housing Sets — combination listings covering thermostat, housing, and related hardware together
The widest selection here comes from Motorad, Gates, Dorman, and Standard Motor Products, each offering a range of fitment-specific options for the Jeep J20. Other categories Jeep J20 owners shop for: Jeep J20 Exterior Lights, Jeep J20 Steering Gear and Parts and Jeep J20 Springs and Suspension Parts, or browse all Jeep J20 parts and accessories.