How to Replace a Thermostat?

Before replacing the thermostat, check the coolant level, drive belt tension, and temperature gauge. Disconnect the battery cable and drain the cooling system. Follow the upper radiator hose to the engine to locate the thermostat housing. Remove the bolts and detach the housing cover. Note how the thermostat is installed and remove it. Clean the housing and cover, then install the new thermostat. Install the cover and bolts, then reattach the hose and tighten the clamp.

Genuine Jeep Wrangler Thermostat

Engine Coolant Thermostat

Enter your vehicle info to find more parts and verify fitment

Select Vehicle by VIN
Select Vehicle by Model

Select by VIN

Enter your VIN for the most accurate results.

Select by Model

-- Select Make --

-- Select Model --

-- Select Year --

9 Thermostats found

View related parts
Jeep Wrangler THRMOSTAT
Part Number: 52028186AB
- Other Name: THERMOSTAT 195 Degrees
- Replaced by: 52028186AC
$35.47 MSRP: $52.10
You Save: $16.63 (32%)

Add to Cart
More Info
Fits the following Vehicles:
2003-2006 Jeep Wrangler | Rubicon, Sahara, SE, Sport, Unlimited, Unlimited Rubicon, X | 6 Cyl 4.0L
Less Info
View related parts
Jeep Wrangler THRMOSTAT
Part Number: 4666140AA
- Other Name: Thermostat
- Replaced by: 68273161AA
$35.47 MSRP: $52.10
You Save: $16.63 (32%)

Add to Cart
More Info
Fits the following Vehicles:
2007-2011 Jeep Wrangler | 70th Anniversary, Rubicon, Sahara, Sport, Unlimited Rubicon, Unlimited Sahara 2WD, Unlimited Sahara 4WD, Unlimited Sport 2WD, Unlimited Sport 4WD, Unlimited X 2WD, Unlimited X 4WD, Unlimited X RHD 4WD, X, X RHD | 6 Cyl 3.8L
Less Info
View related parts
Jeep Wrangler THRMOSTAT
Part Number: 53010552AA
- Other Name: Thermostat
- Replaced by: 53010552AC
$35.47 MSRP: $52.10
You Save: $16.63 (32%)

Add to Cart
More Info
Fits the following Vehicles:
2003-2006 Jeep Wrangler | SE | 4 Cyl 2.4L
Less Info
View related parts
Jeep Wrangler TSTAT
Part Number: 68253514AA
- Other Name: Thermostat; Thermostat Housing
- Replaces: 68211186AB, 68211186AA
$205.74 MSRP: $271.00
You Save: $65.26 (25%)

Add to Cart
More Info
Fits the following Vehicles:
2020-2021 Jeep Wrangler | Rubicon 4WD, Sport 4WD, Unlimited Rubicon 4WD, Unlimited Sahara 4WD, Unlimited Sport 4WD | 6 Cyl 3.0L Diesel
Less Info
View related parts
Jeep Wrangler THERMOSTA
Part Number: 5048424AB
- Replaced by: 5048424AD
$142.08 MSRP: $214.00
You Save: $71.92 (34%)

Add to Cart
More Info
Fits the following Vehicles:
2018 Jeep Wrangler | Rubicon 4WD, Sport 4WD, Unlimited Rubicon 4WD, Unlimited Sahara 4WD, Unlimited Sport 4WD | 4 Cyl 2.0L
Less Info
View related parts
Jeep Wrangler THERMOSTA
Part Number: 68439522AA
- Replaces: 68319896AA
$167.70 MSRP: $251.00
You Save: $83.30 (34%)

Add to Cart
More Info
Fits the following Vehicles:
2021 Jeep Wrangler
2018-2019 Jeep Wrangler | Rubicon 4WD, Sport 4WD, Unlimited Rubicon 4WD, Unlimited Sahara 4WD, Unlimited Sport 4WD
Less Info
View related parts
Jeep Wrangler THERMOSTA
Part Number: 68332443AA
- Replaces: 68275168AA, 68294290AA
$230.75 MSRP: $336.00
You Save: $105.25 (32%)

Add to Cart
More Info
Fits the following Vehicles:
2021 Jeep Wrangler
2019 Jeep Wrangler | Rubicon 4WD, Sport 4WD, Unlimited Rubicon 4WD, Unlimited Sahara 4WD, Unlimited Sport 4WD
Less Info
View related parts
Jeep Wrangler THERMOSTA
Part Number: 5048424AC
- Replaced by: 5048424AD
$143.10 MSRP: $214.00
You Save: $70.90 (34%)

Add to Cart
More Info
Fits the following Vehicles:
2019 Jeep Wrangler | Rubicon 4WD, Sport 4WD, Unlimited Rubicon 4WD, Unlimited Sahara 4WD, Unlimited Sport 4WD | 4 Cyl 2.0L
Less Info
View related parts
Jeep Wrangler THERMOSTA
Part Number: 5048424AD
- Other Name: Thermostat Housing
- Replaces: 5048424AA, 5048424AC, 5048424AB
$143.10 MSRP: $214.00
You Save: $70.90 (34%)

Add to Cart
More Info
Fits the following Vehicles:
2018-2021 Jeep Wrangler | Rubicon 4WD, Sport 4WD, Unlimited Rubicon 4WD, Unlimited Sahara 4WD, Unlimited Sport 4WD, Unlimited Sport RHD 4WD | 4 Cyl 2.0L
Less Info

Jeep Wrangler Thermostat Parts Questions & Answers

THRMOSTAT
4666140AA
Q: How to Replace a Thermostat?
A: Before replacing the thermostat, check the coolant level, drive belt tension, and temperature gauge. Disconnect the battery cable and drain the cooling system. Follow the upper radiator hose to the engine to locate the thermostat housing. Remove the bolts and detach the housing cover. Note how the thermostat is installed and remove it. Clean the housing and cover, then install the new thermostat. Install the cover and bolts, then reattach the hose and tighten the clamp.