Mishimoto · New
Mishimoto Jeep Wrangler 2.4/3.8L Racing Thermostat
MPN MMTS-WRA-03L · Store SKU misMMTS-WRA-03L
Supplier stock checked 11/8/2026, 2:01:47 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
Mishimoto is proud to release a racing thermostat specifically designed for the 2003-2011 Jeep Wrangler TJ/JK.Whether you are cruising down the highway or climbing over boulders, an effective cooling system is extremely critical.Mishimoto racing thermostats promote greater cooling efficiency by significantly decreasing high engine temperatures.Once the engine is fully warmed up, the Mishimoto low-temperature racing thermostat will open at a lower temperature (180 F) compared to standard thermostats (195 F).This allows coolant to flow through the engine sooner, thus reducing and maintaining cooler engine temperatures.Decreased temperatures will result in reduced engine wear and improved reliability.As with all our products, this thermostat includes the Mishimoto lifetime warranty. Engine coolant thermostat designed to regulate coolant flow and maintain optimal operating temperature. Ensures efficient warm-up, prevents overheating, and supports reliable performance with a precise fit. Racing Thermostat, fits Jeep Wrangler 2.4L/3.8L 2003-2011 Jeep Wrangler 2.4L/3.8L Racing Thermostat
Manufacturer fitment & guides
Check MMTS-WRA-03L against the manufacturer’s application information below.
- Supplier application information is withheld while JuiceBuilt checks the exact manufacturer part guide.
Part-specific notes
- California Proposition 65: Y
- Manufacturer information is under review. JuiceBuilt must confirm this part before payment.
