How to remove and reinstall the cylinder head in 2.5L four cylinder engine on Jeep Wrangler?

Remove the rocker arms and pushrods, followed by the intake and exhaust manifolds. Take off the drivebelt(s) and unbolt the power steering pump, setting it aside without disconnecting the hoses. For air-conditioned models, remove the bolt securing the air conditioning compressor/alternator bracket to the cylinder head, then unbolt the bracket from the engine and set it aside without disconnecting the hoses. Label and disconnect the wire from the coolant temperature sending unit on the cylinder head, then label the spark plug wires and remove the spark plugs. Remove the ten bolts securing the cylinder head and lift it off the engine, using a prybar if necessary while ensuring no damage to gasket surfaces. If the head is stuck, tap it gently with a soft-face hammer or a block of wood and a hammer to break the seal. Stuff clean shop towels into the cylinders and thoroughly clean the gasket surfaces, removing all traces of gasket material. Run an appropriately sized tap into the bolt holes in the cylinder head and use a die over the bolt threads to remove sealant and corrosion, ensuring all bolt holes are clean and dry. Inspect the cylinder head for cracks and check for warpage. Note that 1987 and 1988 four-cylinder engines use different head gaskets than 1989 and later models, which are not interchangeable and require different tightening torques. The earlier models use stamped steel gaskets, which should have an even coat of gasket sealing compound applied to both sides, while the later models use a composition gasket that should be installed dry. Install the new gasket with the word TOP facing the cylinder head side and place the cylinder head on the engine. Coat the threads of the stud bolt with Loctite Pipe Sealant with Teflon and install the bolts, tightening them in the specified sequence and to the required torque. Reinstall the remaining components in the reverse order of removal, change the oil and filter, refill the cooling system, and run the engine while checking for leaks and proper operation.

Genuine Jeep Wrangler Cylinder Head

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47 Cylinder Heads found

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Jeep Wrangler Head&Valve-Cylinder
Part Number: 68141352AD
$1005.25 MSRP: $1215.00
You Save: $209.75 (18%)
ADD TO CART
Product Specifications
- Other Name: Head Cylinder With Valves; Cylinder Head
- Replaces: RL141352AD, RL141352AE, RL141352AC, RL141352AB, 68141352AC, 68141352AB, 68141352AE
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2012-2018 Jeep Wrangler | Rubicon, Rubicon 4WD, Sahara, Sahara 4WD, Sport, Sport 4WD, Unlimited Rubicon, Unlimited Rubicon 4WD, Unlimited Sahara 4WD, Unlimited Sport 4WD | 6 Cyl 3.6L
View related parts
Jeep Wrangler Cylinder Head
Part Number: 68141353AA
$981.05 MSRP: $1190.00
You Save: $208.95 (18%)
ADD TO CART
Product Specifications
- Other Name: Head Assembly Engine Cylinder
- Replaced by: 68141353AC
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2012 Jeep Wrangler | Rubicon, Sahara, Sport, Unlimited Rubicon, Unlimited Sahara 4WD, Unlimited Sport 4WD | 6 Cyl 3.6L
View related parts
Jeep Wrangler Head&Valve-Cylinder
Part Number: 68214829AA
$2010.65 MSRP: $2450.00
You Save: $439.35 (18%)
ADD TO CART
Product Specifications
- Other Name: Head Cylinder With Valves
- Replaced by: 68641999AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2014-2015 Jeep Wrangler
View related parts
Jeep Wrangler Cylinder Head
Part Number: RL141353AB
$981.05 MSRP: $1190.00
You Save: $208.95 (18%)
ADD TO CART
Product Specifications
- Other Name: Head Assembly Engine Cylinder Warning: Cylinder Heads Are Shipped Without Oil Gallery Bolts/Plugs, Bolt/Plug Kit 68154699AA Must Be Used Or Trouble Codes Will Be Set.
- Replaced by: 68141353AC
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2012 Jeep Wrangler | Rubicon, Sahara, Sport, Unlimited Rubicon, Unlimited Sahara 4WD, Unlimited Sport 4WD | 6 Cyl 3.6L
View related parts
Jeep Wrangler Engine Cylinder Head
Part Number: RL141353AA
$981.05 MSRP: $1190.00
You Save: $208.95 (18%)
ADD TO CART
Product Specifications
- Other Name: Head Assembly Engine Cylinder
- Replaced by: 68141353AC
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2013 Jeep Wrangler | Rubicon, Sahara, Sport, Unlimited Rubicon, Unlimited Sahara 4WD, Unlimited Sport 4WD | 6 Cyl 3.6L
View related parts
Jeep Wrangler Head&Valve-Cylinder
Part Number: 68214828AB
$2005.15 MSRP: $2435.00
You Save: $429.85 (18%)
ADD TO CART
Product Specifications
- Other Name: Head Cylinder With Valves; Cylinder Head
- Replaced by: 68641998AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2016-2018 Jeep Wrangler
View related parts
Jeep Wrangler Head&Valve-Cylinder
Part Number: 68141352AE
$1005.25 MSRP: $1215.00
You Save: $209.75 (18%)
ADD TO CART
Product Specifications
- Other Name: Head Cylinder With Valves
- Replaced by: 68141352AD
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2014-2015 Jeep Wrangler | Rubicon, Sahara, Sahara 4WD, Sport, Unlimited Rubicon, Unlimited Sahara 4WD, Unlimited Sport 4WD | 6 Cyl 3.6L
View related parts
Jeep Wrangler Head&Valve-Cylinder
Part Number: 68214828AA
$2005.15 MSRP: $2435.00
You Save: $429.85 (18%)
ADD TO CART
Product Specifications
- Other Name: Head Cylinder With Valves
- Replaced by: 68641998AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2014-2015 Jeep Wrangler
View related parts
Jeep Wrangler Head&Valve-Cylinder
Part Number: 68214829AB
$2010.65 MSRP: $2450.00
You Save: $439.35 (18%)
ADD TO CART
Product Specifications
- Other Name: Head Cylinder With Valves; Cylinder Head
- Replaced by: 68641999AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2016-2018 Jeep Wrangler
View related parts
Jeep Wrangler Head&VALV-Cylinder
Part Number: 68293288AB
$763.25 MSRP: $921.00
You Save: $157.75 (18%)
ADD TO CART
Product Specifications
- Other Name: Cylinder Head
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2021-2025 Jeep Wrangler | Rubicon 4WD, Sport 4WD, Unlimited Rubicon 4WD, Unlimited Sahara 4WD, Unlimited Sport 4WD | 6 Cyl 3.6 L GAS, 6 Cyl 3.6 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.6L
View related parts
Jeep Wrangler Head&VALV-Cylinder
Part Number: R3602014AA
$734.65 MSRP: $1100.00
You Save: $365.35 (34%)
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2014 Jeep Wrangler | Rubicon, Sahara, Sport, Unlimited Rubicon, Unlimited Sahara 4WD, Unlimited Sport 4WD | 6 Cyl 3.6L
View related parts
Jeep Wrangler Head&VALV-Cylinder
Part Number: 68293289AB
$739.05 MSRP: $892.00
You Save: $152.95 (18%)
ADD TO CART
Product Specifications
- Other Name: Cylinder Head
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2021-2025 Jeep Wrangler | Rubicon 4WD, Sport 4WD, Unlimited Rubicon 4WD, Unlimited Sahara 4WD, Unlimited Sport 4WD | 6 Cyl 3.6 L GAS, 6 Cyl 3.6 L MILD HYBRID EV-GAS (MHEV), 6 Cyl 3.6L
View related parts
Jeep Wrangler Engine Cylinder Head
Part Number: 68280511AD
$1062.45 MSRP: $1285.00
You Save: $222.55 (18%)
ADD TO CART
Product Specifications
- Other Name: Head-Engine Cylinder; Cylinder Head
- Replaces: 68280511AA, 68086556AA, 68278049AA, 68280511AC, RL086556AA, 68280511AB
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2022-2024 Jeep Wrangler | 8 Cyl 6.4 L GAS
View related parts
Jeep Wrangler Cylinder Head
Part Number: 68490101AA
$763.75 MSRP: $912.00
You Save: $148.25 (17%)
ADD TO CART
Product Specifications
- Other Name: Head-Cylinder; Cylinder Head
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2021-2023 Jeep Wrangler | Unlimited Rubicon 4WD, Unlimited Sahara 4WD, Unlimited Sport 4WD | 6 Cyl 3.0 L DIESEL, 6 Cyl 3.0L Diesel
View related parts
Jeep Wrangler Cylinder Head
Part Number: 68438243AA
$1297.00 MSRP: $1540.00
You Save: $243.00 (16%)
ADD TO CART
Product Specifications
- Other Name: Head-Cylinder
- Replaced by: 68575940AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2019-2021 Jeep Wrangler | Rubicon 4WD, Sport 4WD, Unlimited Rubicon 4WD, Unlimited Sahara 4WD, Unlimited Sport 4WD, Unlimited Sport RHD 4WD | 4 Cyl 2.0L
View related parts
Jeep Wrangler Cylinder Head
Part Number: 68490100AA
$763.25 MSRP: $929.00
You Save: $165.75 (18%)
ADD TO CART
Product Specifications
- Other Name: Head-Cylinder
- Replaced by: 68490099AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2020 Jeep Wrangler | Unlimited Rubicon 4WD, Unlimited Sahara 4WD, Unlimited Sport 4WD | 6 Cyl 3.0L Diesel
View related parts
Jeep Wrangler Head&VALV-Cylinder
Part Number: R3620112AA
$738.45 MSRP: $862.00
You Save: $123.55 (15%)
Product Specifications
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2012 Jeep Wrangler | Rubicon, Sahara, Sport, Unlimited Rubicon, Unlimited Sahara 4WD, Unlimited Sport 4WD | 6 Cyl 3.6L
View related parts
Jeep Wrangler Cylinder Head
Part Number: R5633411AB
$902.63 MSRP: $1070.00
You Save: $167.37 (16%)
Product Specifications
- Other Name: Head Cylinder
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
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
View related parts
Jeep Wrangler Cylinder Head
Part Number: R5424847
$1179.40 MSRP: $1395.00
You Save: $215.60 (16%)
Product Specifications
- Other Name: Head Cylinder; Cylinder Head
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2005-2006 Jeep Wrangler | SE | 4 Cyl 2.4L
View related parts
Jeep Wrangler Cylinder Head
Part Number: 68543575AA
$822.81 MSRP: $959.00
You Save: $136.19 (15%)
Product Specifications
- Other Name: HEAD-CYLINDER; Cylinder Head
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2022-2023 Jeep Wrangler | 6 Cyl 3.0 L DIESEL

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Jeep Wrangler Cylinder Head

Essentially, the function of the Jeep Wrangler Cylinder Head is to control airflow and sealing within the combustion chamber. The Wrangler Cylinder Head allows the fuel mixture to come in and the exhaust to exit. It also maintains compression, which creates an efficient and reliable power output. A properly torqued Cylinder Head on a Jeep Wrangler, using Torque to Yield bolts that stretch just the once to furnish even clamping, keeps the head gasket tight so coolant, oil, and combustion gases stay where they should be. If warpage or cracks develop, the Jeep will lose compression, misfire, or overheat as leaks form between passages. Common trouble spots include worn guides, valves, seats, and springs that weaken performance or a burnt valve that leaves one cylinder silent. The heavier cast iron and lighter aluminum Cylinder Head designs applied in Wrangler engines over the years help make the vehicle lighter, shed more heat, and use a higher compression ratio for better horsepower and higher performance. Regardless of what it is made from, performance-focused versions feature reinforced areas so the ports can be reshaped for freer flow, helping every Wrangler to make stronger power while keeping the gasket sealed under the Cylinder Head. The focus on the Cylinder Head allows the Jeep to maintain its reliability.

Looking for affordable and high-quality auto parts? Then you have already arrived at the proper online shop. We offer all Jeep Wrangler Cylinder Head at great affordable prices. Moreover, all genuine Jeep Wrangler Cylinder Head come with a manufacturer's warranty. In the long run, you would realize you have saved a lot of trouble and money with OEM parts from here.

Jeep Wrangler Cylinder Head Parts Questions & Experts Answers

Engine Cylinder Head
RL141353AA
Q: How to remove and reinstall the cylinder head in 2.5L four cylinder engine on Jeep Wrangler?
A:
Remove the rocker arms and pushrods, followed by the intake and exhaust manifolds. Take off the drivebelt(s) and unbolt the power steering pump, setting it aside without disconnecting the hoses. For air-conditioned models, remove the bolt securing the air conditioning compressor/alternator bracket to the cylinder head, then unbolt the bracket from the engine and set it aside without disconnecting the hoses. Label and disconnect the wire from the coolant temperature sending unit on the cylinder head, then label the spark plug wires and remove the spark plugs. Remove the ten bolts securing the cylinder head and lift it off the engine, using a prybar if necessary while ensuring no damage to gasket surfaces. If the head is stuck, tap it gently with a soft-face hammer or a block of wood and a hammer to break the seal. Stuff clean shop towels into the cylinders and thoroughly clean the gasket surfaces, removing all traces of gasket material. Run an appropriately sized tap into the bolt holes in the cylinder head and use a die over the bolt threads to remove sealant and corrosion, ensuring all bolt holes are clean and dry. Inspect the cylinder head for cracks and check for warpage. Note that 1987 and 1988 four-cylinder engines use different head gaskets than 1989 and later models, which are not interchangeable and require different tightening torques. The earlier models use stamped steel gaskets, which should have an even coat of gasket sealing compound applied to both sides, while the later models use a composition gasket that should be installed dry. Install the new gasket with the word TOP facing the cylinder head side and place the cylinder head on the engine. Coat the threads of the stud bolt with Loctite Pipe Sealant with Teflon and install the bolts, tightening them in the specified sequence and to the required torque. Reinstall the remaining components in the reverse order of removal, change the oil and filter, refill the cooling system, and run the engine while checking for leaks and proper operation.