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MMTS-WRA-87L Racing Thermostat Fits Jeep Wrangler 2.5L/4.0L/4.2L 1987-2006

MMTS-WRA-87L Racing Thermostat Fits Jeep Wrangler 2.5L/4.0L/4.2L 1987-2006

Q: Does this fit other vehicles besides the jeep?

Hello, These fit quite a few vehicles. We have the full list available here: https://mishimoto.com/media/additionalpdfs/mmts-wra-87l-additional-fitments.pdf For additional questions or concerns, please reach out to Support@Mishimoto.com! Thanks, Justin T. Mishimoto Automotive

Q: will this fit a 2004 jeep grand cherokee laredo

Yes, this should fit as long as you have the 2.5L, 4.0L, or 4.2L engine in your vehicle.

Q: Does this fit 92 Dodge Ram d350 diesel 12v Cummins?

No, it will not fit, but this one will: https://www.amazon.com/dp/B09GL3C3Y2?ref=myi_title_dp

Q: I installed this thermostat in my 2003 Jeep wrangler 4.0. I now have p1281 code engine running cold for too long. Has anyone had the same issue?

Yes I had this same issue every winter after replacing my thermostat in my 2003 Jeep wrangler 4.0. I had the check engine light and p1281 code (engine running cold for too long). It was annoying and should be explained in the comments prior to people purchasing the product.

Product ID: 2616982

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Details

Brand
Mishimoto
Model Name
MMTS-WRA-87L
Controller Type
Mechanical
Special Feature
Programmable
Color
Black

🚙Fits Jeep Wrangler 1987-2006

🌡️180°F low activation temp

🛡️Lifetime warranty

Frequently Bought Together

Mishimoto MMTS-WRA-87L Racing Thermostat Compatible With Jeep Wrangler 2.5L/4.0L/4.2L 1987-2006

FEL-PRO 35630 Engine Coolant Thermostat Housing Gasket for Jeep Grand Cherokee

Dorman 902-306 Engine Coolant Thermostat Housing Compatible with Select Dodge / Jeep Models

Description

🌡️ Stay cool, drive hotter — race-ready cooling for your Jeep Wrangler!

DURABILITY YOU CAN TRUST - Crafted from premium aluminum with a high-quality seal
PEACE OF MIND GUARANTEED - Backed by Mishimoto’s lifetime warranty for ultimate reliability
COOLER ENGINE LONGER LIFE - Activates at 180°F vs. OEM 195°F for earlier coolant flow
TAILORED FOR JEEP WRANGLERS - Perfect fit for 2.5L, 4.0L, and 4.2L engines from '87 to '06
BUILT FOR EXTREME CONDITIONS - Optimized for warm climates and heavy towing demands

The Mishimoto MMTS-WRA-87L Racing Thermostat is engineered to improve engine cooling efficiency by opening at a lower temperature (180°F) than standard thermostats, reducing engine wear and enhancing reliability. Designed specifically for Jeep Wrangler 2.5L, 4.0L, and 4.2L engines from 1987 to 2006, it excels in warm climates and under extreme driving conditions. Made from durable aluminum and backed by a lifetime warranty, this thermostat ensures your engine stays cooler, longer.

Specifications

Brand	Mishimoto
Model Name	MMTS-WRA-87L
Controller Type	Mechanical knob
Special Feature	Programmable
Color	Black
Specific Uses For Product	Jeep Wrangler 2.5L/4.0L/4.2L engines
Temperature Control Type	Manual
Connectivity Technology	None or Not Applicable
Included Components	high-quality thermostat seal
Power Source	Hardwire
Item Weight	0.04 Kilograms
Material	Aluminum
Shape	Rectangular
Display Type	analog
Control Type	Dial Control
Control Method	Touch
Connectivity Protocol	None or Not Applicable
Mounting Type	Engine Bay Mount
Style	automotive
Backlight	No
Specification Met	Not Obtainable
UPC	748666007598
Global Trade Identification Number	00748666007598
Manufacturer	Mishimoto
Item Weight	1.44 ounces
Product Dimensions	6.35 x 6.35 x 6.35 inches
Item model number	MMTS-WRA-87L
Is Discontinued By Manufacturer	No
Manufacturer Part Number	MMTS-WRA-87L
OEM Part Number	83501426AD
Special Features	Programmable

Have a Question? See What Others Asked

Does this fit other vehicles besides the jeep?

will this fit a 2004 jeep grand cherokee laredo

Does this fit 92 Dodge Ram d350 diesel 12v Cummins?

I installed this thermostat in my 2003 Jeep wrangler 4.0. I now have p1281 code engine running cold for too long. Has anyone had the same issue?

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