How to Maintain and Fix a Thermostat on Jeep Cherokee?

Before servicing or repairing the thermostat, check that the radiator draincock is not loose while the system is under pressure or you could suffer serious burns by coolant leaking from the system. Remove all the coolant from the radiator, stopping when it goes below the thermostat housing and save any unused coolant you find clean. Apply special attention by using only clamp tools designed for constant tension hose clamps such as 6094 or HPC-20 for larger clamps and always use safety glasses while working. Should you have to replace the clamps for constant tension, get ones that have the same identifier as the stamped letter or number you find on the inside curve of the tongue. Unhook the upper hose and the heater hose from the thermostat housing, unplug the wiring connector on the engine coolant temperature sensor and remove the bolts that secure the thermostat housing. Afterward, unfasten the thermostat housing, gasket and thermostat, throwing away the old gasket. Making sure the pellet of the replacement thermostat faces the engine, clean the mating surfaces and ensure the flange's arrow and air bleed hole line up in the recess groove in the engine cylinder head. Secure the gasket and thermostat housing in place, tightening everything evenly so the housing does not crack and adjust the bolts to 20 Nm (15 ft. lbs.). Plug the hoses back on to both the thermostat housing and the coolant temperature sensor. After seating the radiator draincock, carefully fill the cooling system to the right level with your coolant. Engine readiness checks should include turning on and warming the engine and looking for signs of leaks.

How to Install a Thermostat for a 3.8L Engine on Jeep Wrangler?

To install engine coolant thermostat for 3.8L engine, the thermostat has to be positioned in the thermostat housing. Then start the thermostat housing and thermostat assembly to the intake manifold and tighten its bolts to 28 Nm (250 in. lbs.). Throttle body electrical connector and attach radiator upper hose to thermostat housing. Connect the negative battery cable and refill cooling system to correct level. Finally, you are going to install the air filter housing, as prescribed by the applicable service procedures.

OEM Jeep Thermostat

Engine Coolant Thermostat

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23 Thermostats found

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Jeep Thermostat Housing Part Number: 68253514AA
$199.41 MSRP: $296.00
You Save: $96.59 (33%)
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Product Specifications
- Other Name: Tstat; Engine Coolant Thermostat Housing; Thermostat and Housing Assembly; Thermostat Housing Cover; Thermostat Unit; Thermostat; Engine Coolant Thermostat
- Replaces: 68211186AB, 68211186AA
Fits the following Jeep Models:
- Gladiator | 2021-2023 | 80th Anniversary, Altitude, High Altitude, Overland, Rubicon, Sport, Sport S, Texas Trail, Willys, Willys Sport | 6 Cyl 3.0 L DIESEL
- Grand Cherokee | 2014-2019 | High Altitude, Limited, Overland, Summit, Trailhawk | 3.0L V6, 6 Cyl 3.0 L DIESEL
- Wrangler | 2020-2023 | Unlimited 80th Anniversary, Unlimited Freedom, Unlimited High Altitude, Unlimited Islander, Unlimited Rubicon, Unlimited Sahara, Unlimited Sahara Altitude, Unlimited Sport, Unlimited Sport Altitude, Unlimited Sport S, Unlimited Willys, Unlimited Willys Sport | 6 Cyl 3.0 L DIESEL
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Jeep Thermostat Housing Part Number: 68273161AA
$60.93 MSRP: $91.10
You Save: $30.17 (34%)
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Product Specifications
- Other Name: Thermostat; Engine Coolant Thermostat; Thermostat Housing Cover; Thermostat, Coolant
- Replaces: 4666140AA
Fits the following Jeep Models:
- Wrangler | 2007-2011 | 70th Anniversary, Rubicon, Sahara, Sport, Unlimited 70th Anniversary, Unlimited Rubicon, Unlimited Sahara, Unlimited Sport, Unlimited X, X, X-S | 3.8L V6, 6 Cyl 3.8 L GAS
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Jeep Thermostat (Not Including Gaskets) Part Number: 52028186AC
$38.42 MSRP: $56.25
You Save: $17.83 (32%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Engine Coolant Thermostat
- Replaces: 52028186AB
Fits the following Jeep Models:
- Cherokee | 1997-2001 | Classic, Country, Limited, SE, Sport | 4 Cyl 2.5 L GAS, 6 Cyl 4.0 L GAS
- Grand Cherokee | 1997-2004 | Laredo, Limited, Orvis, Special Edition, Sport, TSi | 4.0L V6, 6 Cyl 4.0 L GAS
- Wrangler | 1997-2006 | 65th Anniversary Edition, Rubicon, SE, Sahara, Sport, Unlimited, Unlimited Rubicon, X | 4 Cyl 2.5 L GAS, 4.0L V6, 6 Cyl 4.0 L GAS
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Jeep Front Cover Part Number: 68174083AA
$44.16 MSRP: $56.85
You Save: $12.69 (23%)
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Product Specifications
- Other Name: Thermostat; Engine Coolant Thermostat Housing Gasket; Engine Coolant Thermostat
- Replaces: 52079476AB, 52079476AC, 52079476AD, 52079476AE
Fits the following Jeep Models:
- Commander | 2006-2010 | 65th Anniversary Edition, Base, Limited, Sport | 3.7L V6, 4.7L V8, 6 Cyl 3.7 L GAS, 8 Cyl 4.7 L FLEX, 8 Cyl 4.7 L GAS
- Grand Cherokee | 1999-2010 | 65th Anniversary Edition, Laredo, Limited, Overland, Special Edition, Sport | 3.7L V6, 4.7L V8, 6 Cyl 3.7 L GAS, 8 Cyl 4.7 L FLEX, 8 Cyl 4.7 L GAS
- Liberty | 2002-2012 | 65th Anniversary Edition, Jet, Limited, Renegade, Rocky Mountain Edition, Sport | 3.7L V6, 6 Cyl 3.7 L GAS
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Jeep Thermostat Part Number: 55111016AC
$3.94 MSRP: $5.70
You Save: $1.76 (31%)
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Product Specifications
- Other Name: Engine Coolant Thermostat; Thermostat See Catalog Note
- Replaces: 55111016AA, 55111016AB
Fits the following Jeep Models:
- Compass | 2007-2012 | Base, Latitude, Limited, Sport | 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L GAS
- Patriot | 2007-2015 | Latitude, Latitude X, Limited, Sport | 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L GAS
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Jeep THERMOSTA Part Number: 68676481AA
$39.84 MSRP: $58.25
You Save: $18.41 (32%)
Ships in 1-2 Business Days
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Fits the following Jeep Models:
- Compass | 2013-2017 | 75th Anniversary, Altitude, High Altitude, Latitude, Limited, Sport | 2.0L L4, 2.4L L4, 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L GAS
- Patriot | 2013-2017 | 75th Anniversary, Latitude, Limited, Sport | 2.0L L4, 2.4L L4, 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L GAS
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Jeep Thermostat Housing Part Number: 68211424AA
$99.05 MSRP: $147.00
You Save: $47.95 (33%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Thermostat
Fits the following Jeep Models:
- Renegade | 2015-2018 | 75th Anniversary, Altitude, Latitude, Sport | 4 Cyl 1.4 L GAS
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Jeep Thermostat Part Number: 52028898AJ
$69.58 MSRP: $91.75
You Save: $22.17 (25%)
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Product Specifications
- Replaces: 52028898AE, 52028898AI
Fits the following Jeep Models:
- Commander | 2006-2010 | Limited, Overland, Sport | 5.7L V8, 8 Cyl 5.7 L GAS
- Grand Cherokee | 2005-2023 | High Altitude, Laredo, Limited, Limited X, Overland, Overland Summit, SRT, SRT8, Summit, Summit Reserve, Trackhawk, Trailhawk | 5.7L V8, 6.1L V8, 6.2L V8, 6.4L V8, 8 Cyl 5.7 L GAS, 8 Cyl 6.1 L GAS, 8 Cyl 6.2 L GAS, 8 Cyl 6.4 L GAS
- Grand Cherokee L | 2021-2024 | Overland, Summit, Summit Reserve | 8 Cyl 5.7 L GAS
- Grand Wagoneer | 2022-2023 | Base, Obsidian, Series I, Series II, Series III, Series III Obsidian | 8 Cyl 6.4 L GAS
- Wagoneer | 2022-2023 | Base, Series I, Series I Carbide, Series II, Series II Carbide, Series III, Series III Carbide | 8 Cyl 5.7 L MILD HYBRID EV-GAS (MHEV)
- Wrangler | 2021-2024 | Freedom, Rubicon, Sport, Sport S, Unlimited Freedom, Unlimited High Altitude, Unlimited High Altitude 4xe, Unlimited High Tide, Unlimited Rubicon, Unlimited Rubicon 392, Unlimited Rubicon 4xe, Unlimited Sahara, Unlimited Sahara 4xe, Unlimited Sahara Altitude, Unlimited Sport, Unlimited Sport Altitude, Unlimited Sport S, Unlimited Willys, Unlimited Willys 4xe, Unlimited Willys Sport, Willys, Willys Sport | 2.0L L4, 3.0L V6, 3.6L V6, 6.4L V8, 8 Cyl 6.4 L GAS
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Jeep Thermostat Part Number: 68361650AH
$56.32 MSRP: $80.95
You Save: $24.63 (31%)
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Product Specifications
- Other Name: THERMOSTA
- Replaces: 68361650AD, 68361650AE, 68361650AF, 68361650AG
Fits the following Jeep Models:
- Grand Wagoneer | 2022-2025 | Base, Obsidian, Series I, Series II, Series III, Series III Obsidian | 3.0L V6, 6 Cyl 3.0 L GAS, 6.4L V8
- Grand Wagoneer L | 2023-2025 | Base, Obsidian, Series II, Series III, Series III Obsidian | 3.0L V6, 6 Cyl 3.0 L GAS
- Wagoneer | 2023-2025 | Base, Carbide, Series II, Series III | 3.0L V6, 5.7L V8, 6 Cyl 3.0 L GAS
- Wagoneer L | 2023-2025 | Base, Carbide, Series II, Series III | 3.0L V6, 6 Cyl 3.0 L GAS
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Jeep Thermostat Housing Part Number: 5048757AA
$143.74 MSRP: $214.00
You Save: $70.26 (33%)
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Product Specifications
- Other Name: Thermostat; Engine Coolant Thermostat
Fits the following Jeep Models:
- Grand Cherokee | 2022-2025 | 30th Anniversary 4xe, 4xe, Anniversary Edition 4xe | 4 Cyl 2.0 L PLUG-IN HYBRID EV-GAS (PHEV)
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Jeep Thermostat Housing Part Number: 5048714AA
$151.61 MSRP: $226.00
You Save: $74.39 (33%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Thermostat
Fits the following Jeep Models:
- Wrangler | 2021-2025 | Unlimited High Altitude 4xe, Unlimited Rubicon 4xe, Unlimited Rubicon X 4xe, Unlimited Sahara 4xe, Unlimited Sport S 4xe, Unlimited Willys 4xe | 4 Cyl 2.0 L PLUG-IN HYBRID EV-GAS (PHEV)
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Jeep Thermostat And Housing Part Number: 5048424AD
$165.08 MSRP: $245.00
You Save: $79.92 (33%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Thermostat And Housing
- Replaces: 5048424AA, 5048424AB, 5048424AC
Fits the following Jeep Models:
- Wrangler | 2018-2025 | 80th Anniversary, Freedom, Islander, Rubicon, Rubicon X, Sport, Sport S, Unlimited 80th Anniversary, Unlimited Freedom, Unlimited High Altitude, Unlimited Islander, Unlimited Rubicon, Unlimited Rubicon X, Unlimited Sahara, Unlimited Sahara Altitude, Unlimited Sport, Unlimited Sport Altitude, Unlimited Sport S, Unlimited Willys, Unlimited Willys Sport, Willys, Willys Sport | 2.0L L4, 4 Cyl 2.0 L GAS, 4 Cyl 2.0 L MILD HYBRID EV-GAS (MHEV)
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Jeep Thermostat Housing Part Number: 68498366AA
$180.15 MSRP: $265.00
You Save: $84.85 (33%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Thermostat; Engine Coolant Thermostat Housing; Thermostat Housing Cover
- Replaces: 68479675AA, 68439166AA
Fits the following Jeep Models:
- Renegade | 2019-2023 | 80th Anniversary, Altitude, High Altitude, Latitude, Limited, Red, Sport, Trailhawk, Upland | 1.3L L4, 4 Cyl 1.3 L GAS
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Jeep Thermostat Part Number: 52028185AC
$18.30 MSRP: $26.80
You Save: $8.50 (32%)
ADD TO CART
Product Specifications
- Other Name: Engine Coolant Thermostat
- Replaces: 52028185AB, 4494469, 52028185
Fits the following Jeep Models:
- Grand Cherokee | 1993-1998 | 5.9 Limited, Base, Laredo, Limited, Orvis, SE, TSi | 5.2L V8, 5.9L V8, 8 Cyl 5.2 L GAS, 8 Cyl 5.9 L GAS
- Grand Wagoneer | 1993 | 5.2L V8
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Jeep Thermostat Part Number: 53010552AC
$38.42 MSRP: $56.25
You Save: $17.83 (32%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Engine Coolant Thermostat
- Replaces: 53010552AA
Fits the following Jeep Models:
- Liberty | 2002-2005 | Sport | 2.4L L4, 4 Cyl 2.4 L GAS
- Wrangler | 2003-2006 | SE | 2.4L L4, 4 Cyl 2.4 L GAS
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Jeep Thermostat Housing Part Number: 53010923AB
$56.08 MSRP: $83.55
You Save: $27.47 (33%)
ADD TO CART
Product Specifications
- Other Name: Housing - Thermostat; Engine Coolant Thermostat Housing; Thermostat Housing Cover; Housing Thermostat
- Replaces: 53010923AA
Fits the following Jeep Models:
- Grand Cherokee | 2018-2021 | Trackhawk | 6.2L V8, 8 Cyl 6.2 L GAS
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Jeep THERMOSTA Part Number: 68676480AA
$57.42 MSRP: $85.95
You Save: $28.53 (34%)
ADD TO CART
Fits the following Jeep Models:
- Compass | 2012-2017 | 75th Anniversary, Altitude, High Altitude, Latitude, Limited, Sport | 2.0L L4, 2.4L L4, 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L GAS
- Patriot | 2012-2017 | 75th Anniversary, Latitude, Limited, Sport | 2.0L L4, 2.4L L4, 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L GAS
View related parts
Jeep Thermostat Part Number: 83501426AD
$34.16 MSRP: $49.20
You Save: $15.04 (31%)
Product Specifications
- Other Name: Thermostat - Engine Coolant; Engine Coolant Thermostat
- Replaces: 83501426AC, 52001797
Fits the following Jeep Models:
- CJ7 | 1984-1986 | Base, Laredo, Renegade | 6 Cyl 4.2 L GAS
- Cherokee | 1987-1996 | Base, Briarwood, Chief, Classic, Country, Laredo, Limited, Pioneer, SE, Sport | 4 Cyl 2.5 L GAS, 6 Cyl 4.0 L GAS
- Comanche | 1987-1992 | Base, Chief, Eliminator, Laredo, Pioneer | 4 Cyl 2.5 L GAS, 6 Cyl 4.0 L GAS
- Grand Cherokee | 1993-1996 | Base, Laredo, Limited, Orvis, SE | 6 Cyl 4.0 L GAS
- Grand Wagoneer | 1984-1991 | Base, Limited | 6 Cyl 4.2 L GAS, 8 Cyl 5.9 L GAS
- J10 | 1984-1988 | Base | 6 Cyl 4.2 L GAS, 8 Cyl 5.9 L GAS
- J20 | 1984-1988 | Base | 8 Cyl 5.9 L GAS
- Scrambler | 1984-1986 | Base, Laredo, Renegade, SR | 6 Cyl 4.2 L GAS
- Wagoneer | 1987-1990 | Base, Limited | 6 Cyl 4.0 L GAS
- Wrangler | 1987-1995 | Base, Islander, Laredo, Renegade, Rio Grande, S, SE, Sahara, Sport | 4 Cyl 2.5 L GAS, 6 Cyl 4.0 L GAS, 6 Cyl 4.2 L GAS
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Jeep Thermostat Part Number: 55111017AB
Product Specifications
- Other Name: Engine Coolant Thermostat; Thermostat See Catalog Note
- Replaces: 55111017AA, 68003583AA
Fits the following Jeep Models:
- Compass | 2007-2013 | Base, Latitude, Limited, Sport | 2.4L L4, 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L GAS
- Patriot | 2007-2012 | Latitude, Latitude X, Limited, Sport | 2.4L L4, 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L GAS
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Jeep Thermostat Part Number: 5142601AA
Product Specifications
- Other Name: Thermostat - Engine Coolant
Fits the following Jeep Models:
- Liberty | 2005-2006 | Limited, Sport | 4 Cyl 2.8 L DIESEL

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Jeep Thermostat

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Jeep Thermostat Parts and Q&A

Thermostat (Not Including Gaskets)
52028186AC
Q: How to Maintain and Fix a Thermostat on Jeep Cherokee?
A:
Before servicing or repairing the thermostat, check that the radiator draincock is not loose while the system is under pressure or you could suffer serious burns by coolant leaking from the system. Remove all the coolant from the radiator, stopping when it goes below the thermostat housing and save any unused coolant you find clean. Apply special attention by using only clamp tools designed for constant tension hose clamps such as 6094 or HPC-20 for larger clamps and always use safety glasses while working. Should you have to replace the clamps for constant tension, get ones that have the same identifier as the stamped letter or number you find on the inside curve of the tongue. Unhook the upper hose and the heater hose from the thermostat housing, unplug the wiring connector on the engine coolant temperature sensor and remove the bolts that secure the thermostat housing. Afterward, unfasten the thermostat housing, gasket and thermostat, throwing away the old gasket. Making sure the pellet of the replacement thermostat faces the engine, clean the mating surfaces and ensure the flange's arrow and air bleed hole line up in the recess groove in the engine cylinder head. Secure the gasket and thermostat housing in place, tightening everything evenly so the housing does not crack and adjust the bolts to 20 Nm (15 ft. lbs.). Plug the hoses back on to both the thermostat housing and the coolant temperature sensor. After seating the radiator draincock, carefully fill the cooling system to the right level with your coolant. Engine readiness checks should include turning on and warming the engine and looking for signs of leaks.
Thermostat Housing
68273161AA
Q: How to Install a Thermostat for a 3.8L Engine on Jeep Wrangler?
A:
To install engine coolant thermostat for 3.8L engine, the thermostat has to be positioned in the thermostat housing. Then start the thermostat housing and thermostat assembly to the intake manifold and tighten its bolts to 28 Nm (250 in. lbs.). Throttle body electrical connector and attach radiator upper hose to thermostat housing. Connect the negative battery cable and refill cooling system to correct level. Finally, you are going to install the air filter housing, as prescribed by the applicable service procedures.