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Mishimoto MMTS-WRA-87L Racing Thermostat Low-Temp 180°F Jeep Wrangler 2.5L/4.0L/4.2L 1987-2006

(Jeep Grand Cherokee 1993-2004, Wrangler 1997-2006, Cherokee 1975-95, CJ7 1976-86, CJ5 1975-83, Comanche 1986-92, Grand Wagoneer 1984-91, 1993 + 478 more models)

Manufacturer

Picture for manufacturer Mishimoto

Part Number

MMTS-WRA-87L
21 reviews
Sale Price

$34.95

In Stock (10+)

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The Mishimoto MMTS-WRA-87L is a performance racing thermostat engineered to improve the cooling efficiency of Jeep Wrangler engines. Designed as a direct-fit replacement, this low-temperature thermostat opens at 180°F — significantly earlier than the stock thermostat's 195°F opening point — allowing coolant to circulate through the engine sooner and maintain lower, more stable operating temperatures.

By reducing sustained high engine temperatures, this thermostat helps minimize engine wear, improve long-term reliability, and protect your Wrangler's 2.5L, 4.0L, or 4.2L engine during demanding off-road use or extended highway driving. It is a bolt-in replacement requiring no modifications for compatible applications.

Key Features:

  • Low-temperature opening point: 180°F (vs. OEM 195°F standard)
  • Promotes greater coolant flow for reduced and more consistent engine temperatures
  • Reduces engine wear by preventing sustained high heat buildup
  • Direct-fit replacement — no cutting or modification required
  • Compatible with Jeep Wrangler 2.5L, 4.0L, and 4.2L engines (1987–2006)
  • Backed by the Mishimoto Lifetime Warranty

Like all Mishimoto cooling products, the MMTS-WRA-87L is covered by Mishimoto's renowned lifetime warranty, giving you lasting confidence in your cooling system upgrade.

Products specifications

Fits

Jeep Grand Cherokee 1993-2004, Wrangler 1997-2006, Cherokee 1975-95, CJ7 1976-86, CJ5 1975-83, Comanche 1986-92, Grand Wagoneer 1984-91, 1993, J10 1975-88, Wagoneer 1975-90, J20 1975-88, Scrambler 1981-85, Commando 1972, CJ6 1975 + 472 more models

Prop 65

WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov

Material

Aluminum

TechSpec Mishimoto Activation Temperature (F)

180

Install Difficulty

2

TechSpec OEM Activation Temperature (F)

195

TechSpec Applications

Click here for additional fitments

TechSpec Includes

(1) Mishimoto Thermostat--Mishimoto Lifetime Warranty

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The box might have a part of instructions missing. That's probably not the merchant's fault. I can find instructions on the Internet, anyway

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