HomeBelts and Cooling > Thermostat and HousingMopar 52028186AC Engine Coolant Thermostat - Radiator
Part #: 52028186AC

Mopar 52028186AC Engine Coolant Thermostat - Radiator

Radiator
10 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Jeep, Grand Cherokee, TJ, and Wrangler
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Mopar Engine Coolant Thermostat 52028186AC

Mopar 52028186AC is an engine coolant thermostat for radiator-mounted cooling systems. It is a direct-fit replacement for select Jeep applications and is specified at 195 degrees for consistent coolant temperature control.

Key Features

  • Engine coolant thermostat for radiator installation
  • 195-degree temperature rating
  • Supersedes part number 52028186AB
  • Fits 2003-2006 Jeep TJ, radiator
  • Fits 2003-2006 Jeep Wrangler, radiator
  • Fits 2003-2004 Jeep Grand Cherokee, radiator

Detailed Description

This Mopar thermostat, part number 52028186AC, is built for Jeep cooling systems that require a 195-degree thermostat in the radiator position. It helps regulate engine operating temperature by opening and closing coolant flow based on temperature demand, supporting stable warm-up and temperature control in daily driving and demanding conditions. This part number 52028186AC also supersedes 52028186AB.

Compatible fitment includes 2003-2006 Jeep TJ, 2003-2006 Jeep Wrangler, and 2003-2004 Jeep Grand Cherokee. If you are searching for a Jeep Wrangler thermostat 195 degrees or a Mopar coolant thermostat for Jeep TJ radiator applications, this part matches the listed vehicles and position.

What It Helps Address

  • Engine running cooler or warmer than expected
  • Delayed warm-up after startup
  • Temperature fluctuation during normal driving
  • Cooling system service on listed Jeep models

Installation Notes and Tips

Install in the radiator thermostat location specified for the vehicle. Verify the replacement matches the 195-degree rating and the listed fitment before installation. Inspect the cooling system, thermostat housing sealing surfaces, and coolant condition during service to help ensure proper operation.

Quality Assurance

Mopar OE replacement parts are built to match factory application requirements for the listed Jeep vehicles. Part number 52028186AC is specified for direct fitment on the applications shown above.

This part fits 10 vehicles. Search below:

YearMakeModelSubmodelDrive TypeLitersCylindersPositionNotes
2006JeepTJ4.0LL6Radiator195 Degrees;Supersedes part # 52028186AB
2006JeepWranglerX4.0LL6Radiator195 Degrees;Supersedes part # 52028186AB
2005JeepTJ4.0LL6Radiator195 Degrees;Supersedes part # 52028186AB
2005JeepWranglerX4.0LL6Radiator195 Degrees;Supersedes part # 52028186AB
2004JeepGrand CherokeeLimited4.0LL6Radiator195 Degrees;Supersedes part # 52028186AB
2004JeepTJ4.0LL6Radiator195 Degrees;Supersedes part # 52028186AB
2004JeepWranglerX4.0LL6Radiator195 Degrees;Supersedes part # 52028186AB
2003JeepGrand CherokeeLimitedAWD4.0LL6Radiator195 Degrees;Supersedes part # 52028186AB
2003JeepTJ4.0LL6Radiator195 Degrees;Supersedes part # 52028186AB
2003JeepWrangler4.0LL6Radiator195 Degrees;Supersedes part # 52028186AB

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.