5.7 Hemi Thermostat 2003-2025 Mishimoto MMTS-JED-06L

Mishimoto thermostat for the 5.7 Hemi (2003-2025). Listed for one application: 5.7 Hemi engines, 2003-2025, in Dodge, Ram, Chrysler, Jeep applications. Confirm your engine code and year against this listing before ordering.

What it does

The thermostat controls when coolant flows to the radiator and sets operating temperature. Stuck closed it overheats the engine; stuck open it never warms up, hurting mileage and setting a P0128. A new thermostat at the correct rating restores stable temperature.

Fits

• Dodge vehicles with the 5.7 Hemi engine, 2003-2025
• Ram vehicles with the 5.7 Hemi engine, 2003-2025
• Chrysler vehicles with the 5.7 Hemi engine, 2003-2025
• Jeep vehicles with the 5.7 Hemi engine, 2003-2025

Fixes

• P0128 coolant temperature below regulating range
• overheating with a cool radiator
• a slow warm-up and poor heater output

What's included

• the thermostat (and housing / seal where the listing says so)

Specifications

• Brand: Mishimoto
• Part number: MMTS-JED-06L
• Shipping weight: 0.8 lb
• Condition: new
• Product type: Thermostat

Cross-reference

Replaces or interchanges with Mishimoto MMTS-JED-06L for the 5.7 Hemi. Check the part number stamped on your original before ordering.

Free shipping on orders of $70 or more; everything else ships with calculated shipping at the part's real weight. Questions on fitment? Ask a tech before you buy.