2018 Jeep Wrangler Engine Parts

This table covers the camshafts that open the valves. Read more

11 Camshaft parts for the 2018 Jeep Wrangler come from 2 brands — MOPAR and MELLING. The "Popular" part is MELLING CKMC1443.

This table covers the Connecting Rod bolts. Read more

One part is listed for the 2018 Jeep Wrangler — MOPAR 6509128AA.

This table covers lower / conversion gasket sets for oil-pan and related joints. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration. Read more

5 Conversion / Lower Gasket Set parts for the 2018 Jeep Wrangler come from 4 brands — MOPAR, AJUSA, MAHLE / CLEVITE and 1 other brand. The "Popular" part is MOPAR 68297851AB.

Part numbers include MOPAR 68297851AB, AJUSA 54308900 and MAHLE / CLEVITE CS55401, among others listed above.

This table covers the crankshafts that turn piston motion into rotation. Read more

2 Crankshaft parts for the 2018 Jeep Wrangler come from 2 brands — ENGINETECH and MOPAR.

This group includes ENGINETECH 191020 and MOPAR 5184251AI.

This table covers the main bearings that support the crankshaft in the block. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly. Read more

MOPAR supplies the 7 Crankshaft Main Bearing parts for the 2018 Jeep Wrangler. MOPAR 5184088AH carries the "Popular" badge.

This group includes MOPAR 5184088AH, MOPAR 5184105AI and MOPAR 68242631AA and the remaining parts above.

This table covers the sleeves used to restore a grooved crankshaft seal surface. Read more

One part is listed for the 2018 Jeep Wrangler — BCA NS99177.

This table covers the front and rear seals that keep oil in at the crankshaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

6 Crankshaft Seal parts are listed for the 2018 Jeep Wrangler, from MOPAR, AJUSA, FEL-PRO and 1 other brand. AJUSA 15084500 carries the "Popular" badge.

This group includes AJUSA 15084500, MOPAR 68433335AA and FEL-PRO BS40822 and the remaining parts above.

This table covers the cylinder heads that close the top of the block. Read more

MOPAR supplies the 6 Cylinder Head parts for the 2018 Jeep Wrangler. MOPAR R3620112AA carries the "Popular" badge.

This group includes MOPAR R3620112AA, MOPAR R3602014AA and MOPAR 68293289AB and the remaining parts above.

This table covers the Cylinder Head Alignment Dowel pins. Read more

This group shows a single part: MOPAR 6100997.

This table covers the bolts that clamp the cylinder head to the block. Read more

5 Cylinder Head Bolt parts for the 2018 Jeep Wrangler come from 5 brands — FEL-PRO, AJUSA, APEX and 2 other brands. The "Popular" part is FEL-PRO ES72467.

Part numbers include FEL-PRO ES72467, AJUSA 81062400 and APEX AHB1312, among others listed above.

This table covers the head gaskets that seal the block to the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

13 Cylinder Head Gasket parts for the 2018 Jeep Wrangler come from 5 brands — MOPAR, AJUSA, APEX and 2 other brands. The "Popular" part is APEX AHG1391L.

This table covers multi-piece gasket sets for a cylinder-head job. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration. Read more

4 Cylinder Head Gasket Set parts for the 2018 Jeep Wrangler come from 4 brands — AJUSA, MAHLE / CLEVITE, MOPAR and 1 other brand.

Listed part numbers: AJUSA 52574600, MAHLE / CLEVITE HS55401 and MOPAR 68370039AC, plus the other parts above.

This table covers the Cylinder Head plugs. Typical signs include a leak at the drain or glow-plug hole, or a plug that has rounded off. Replace the crush washer and torque to the spec in the notes. Read more

One part is listed for the 2018 Jeep Wrangler — MOPAR 4556020AB.

This table covers the gaskets that seal the Cylinder Head Side Cover. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

4 Cylinder Head Side Cover Gasket parts for the 2018 Jeep Wrangler come from MOPAR.

Part numbers include MOPAR 4893805AB, MOPAR 4893804AC and MOPAR 4893805AC, among others listed above.

This table covers the block heaters that warm the coolant or oil in cold weather. Read more

3 Engine Block Heater parts are listed for the 2018 Jeep Wrangler, from KAT'S HEATERS and MOPAR.

Listed part numbers: KAT'S HEATERS 28814, KAT'S HEATERS 11814 and MOPAR 4609325.

This table covers the Engine covers. Read more

10 Engine Cover parts for the 2018 Jeep Wrangler come from MOPAR. The "Popular" part is MOPAR 6MA00RXFAA.

This table covers full gasket kits covering the joints opened in an engine rebuild. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration. Read more

4 Engine Kit Gasket Set parts for the 2018 Jeep Wrangler come from 2 brands — MOPAR and AJUSA.

This group includes AJUSA 50525900, MOPAR 68294134AC and MOPAR 68297850AC and the remaining parts above.

This table covers the exhaust valves that let combustion gas out of the cylinder. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one. Read more

5 Exhaust Valve parts are listed for the 2018 Jeep Wrangler, from MOPAR, ENGINETECH, MELLING and 1 other brand. ENGINETECH V4483 carries the "Popular" badge.

Listed part numbers: ENGINETECH V4483, MELLING V3462 and MOPAR 5048022AA, plus the other parts above.

This table covers the Expansion plugs. Typical signs include a leak at the drain or glow-plug hole, or a plug that has rounded off. Replace the crush washer and torque to the spec in the notes. Read more

6 Expansion Plug parts for the 2018 Jeep Wrangler come from MOPAR. The "Popular" part is MOPAR 68060349AA.

Listed part numbers: MOPAR 68060349AA, MOPAR 6512292AA and MOPAR 5096861AB, plus the other parts above.

This table covers the crankshaft pulleys / harmonic balancers at the front of the engine. Read more

6 Harmonic Balancer parts for the 2018 Jeep Wrangler come from 6 brands — SKP, ATP, DAYCO and 3 other brands. The "Popular" part is ATP 102343.

The Economy section lists 1 option from SKP — the catalog's value-priced group. SKP SK594405 is listed in this group.

In the Standard Replacement grade, ATP, DAYCO, DORMAN and 2 other brands supply 5 parts: built to original-equipment specification. A representative part number is ATP 102343.

Part numbers include ATP 102343, SKP SK594405 and DAYCO PB1707N, among others listed above.

This table covers the Intake manifolds. Typical signs include an exhaust tick, a vacuum leak, or a gasket that has burned through. Replace the gaskets and hardware; a warped flange will leak with a new gasket alone. Read more

7 Intake Manifold parts are listed for the 2018 Jeep Wrangler, from MOPAR, SKP and VAICO. MOPAR 5281803AA carries the "Popular" badge.

Part numbers include MOPAR 5281803AA, MOPAR 5184199AF and MOPAR 68141333AC, among others listed above.

This table covers the Intake Manifold bolts. Read more

2 Intake Manifold Bolt parts for the 2018 Jeep Wrangler come from 2 brands — DORMAN and MOPAR.

Listed part numbers: DORMAN 32128 and MOPAR 6104124AA.

This table covers the gaskets between the intake manifold and the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

11 Intake Manifold Gasket parts for the 2018 Jeep Wrangler come from 7 brands — MOPAR, SKP, MAHLE / CLEVITE and 4 other brands. The "Popular" part is APEX AMS13121.

The Economy section: 3 options from SKP and AUTOTECNICA. AUTOTECNICA CY1420930 is listed in this group.

Standard Replacement: 8 parts, from MOPAR, MAHLE / CLEVITE, APEX and 2 other brands. A representative part number is APEX AMS13121.

This table covers the gaskets that seal the Intake Plenum. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

5 Intake Plenum Gasket parts are listed for the 2018 Jeep Wrangler, from FEL-PRO, APEX, MAHLE / CLEVITE and 2 other brands. FEL-PRO MS97205 carries the "Popular" badge.

This group includes FEL-PRO MS97205, APEX AMS13120 and MAHLE / CLEVITE MS20456 and the remaining parts above.

This table covers the intake valves that let air (and fuel, on port-injected engines) into the cylinder. Typical signs include a circuit that will not hold, a whistle, or a code for this valve. A stuck valve is often debris. Clean the ports before installing the new one. Read more

6 Intake Valve parts are listed for the 2018 Jeep Wrangler, from MOPAR, MELLING, ENGINETECH and 2 other brands. MELLING V3461 carries the "Popular" badge.

Part numbers include MELLING V3461, MOPAR 5184127AC and ENGINETECH V2670, among others listed above.

This table covers the mounts that hold the engine to the chassis. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes. Read more

8 Motor Mount parts are listed for the 2018 Jeep Wrangler, from ANCHOR, DEA / MARMON RIDE CONTROL, PIONEER and 1 other brand. ANCHOR 3514 carries the "Popular" badge.

Part numbers include ANCHOR 3514, ANCHOR 3516 and DEA / MARMON RIDE CONTROL A20052, among others listed above.

This table covers the brackets that mount the Motor Mount. Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners. Read more

MOPAR supplies the 4 Motor Mount Bracket parts for the 2018 Jeep Wrangler.

Listed part numbers: MOPAR 68003504AB, MOPAR 68003505AB and MOPAR 68417580AA, plus the other parts above.

This table covers the Motor Mount Heat insulators. Read more

2 Motor Mount Heat Insulator parts for the 2018 Jeep Wrangler come from MOPAR.

Part numbers include MOPAR 4560199AA and MOPAR 68253159AA.

This table covers the isolators in an engine mount. Read more

4 Motor Mount Isolator parts for the 2018 Jeep Wrangler come from MOPAR.

This group includes MOPAR 5147190AB, MOPAR 5147191AB and MOPAR 68236159AB and the remaining parts above.

This table covers the Motor Mount kits. Read more

One part is listed for the 2018 Jeep Wrangler — ANCHOR 300886.

This table covers the engine oils listed by grade and specification for this engine. Typical signs include a low-oil lamp, knocking after a long interval, or oil that has gone thin and black well before the next service. Match the viscosity and spec in the notes (and on the filler cap). The tables group grades — they are not interchangeable. Read more

34 Oil parts are listed for the 2018 Jeep Wrangler, from VALVOLINE, MOBIL, LIQUI MOLY and 3 other brands. LIQUI MOLY 2208 carries the "Popular" badge. They are grouped as Full Synthetic and High Mileage (>75,000 Miles), with Full Synthetic the largest group at 24 parts from VALVOLINE, LIQUI MOLY, MOBIL and 3 other brands.

This table covers the heat exchangers that cool engine oil. Typical signs include oil at the cooler fittings, or coolant that looks like a milkshake. Pressure-test both circuits after a cooler swap — a leak here mixes oil and coolant. Read more

One part is listed for the 2018 Jeep Wrangler — STANDARD MOTOR PRODUCTS OFH136.

This table covers the seals at the Oil Cooler Adapter. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

One part is listed for the 2018 Jeep Wrangler — FEL-PRO ES73248.

This table covers the gaskets that seal the Oil Cooler. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

2 Oil Cooler Gasket parts for the 2018 Jeep Wrangler come from 2 brands — AJUSA and MAHLE / CLEVITE.

Part numbers include AJUSA 77016800 and MAHLE / CLEVITE GS33753.

This table covers the Oil Cooler Hose pipes. Read more

MOPAR supplies both parts for the 2018 Jeep Wrangler.

This group includes MOPAR 68285547AB and MOPAR 68092947AD.

This table covers the Oil Cooler Mounting kits. Read more

This group shows a single part: VICTOR REINZ 131001101.