2018 Jeep Grand Cherokee Engine Parts

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

12 Camshaft parts for the 2018 Jeep Grand Cherokee come from 2 brands — MELLING and MOPAR. The "Popular" part is MELLING 23107.

The Heavy Duty / Towing section lists 1 option from MELLING — grouped under the catalog's "Heavy Duty / Towing" designation — the notes column spells out what sets them apart. MELLING 23109 is listed in this group.

The High Performance section lists 6 options from MELLING — engineered beyond original-equipment specification. MELLING 23107 is listed in this group.

In the Standard Replacement grade, MOPAR supplies 2 parts: built to original-equipment specification. A representative part number is MOPAR 5038835AA.

3 further parts sit outside the graded sections, with the same engine-level match.

This table covers the Camshaft bearings. 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

6 Camshaft Bearing parts for the 2018 Jeep Grand Cherokee come from 5 brands — DURA-BOND, ENGINETECH, SEALED POWER and 2 other brands. The "Popular" part is ENGINETECH CC487.

Listed part numbers: ENGINETECH CC487, SEALED POWER 1935M and DURA-BOND PD41, plus the other parts above.

This table covers the Camshaft 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

2 Camshaft Plug parts for the 2018 Jeep Grand Cherokee come from 2 brands — MELLING and MOPAR.

Listed part numbers: MELLING MEP334 and MOPAR 6507663AA.

This table covers the Camshaft Retainer / Thrust plates. Typical signs include warpage, cracks, or a plate that no longer locates the assembly. Confirm which plate the notes describe — backing plates, clutch plates and strike plates are different parts. Read more

2 Camshaft Retainer / Thrust Plate parts are listed for the 2018 Jeep Grand Cherokee, from MELLING and MOPAR.

Listed part numbers: MELLING MD200 and MOPAR 53022178AE.

This table covers the Circular / Semi-Circular 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 Grand Cherokee — ELRING B16450.

This table covers the bearings in the connecting-rod big ends. 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

13 Connecting Rod Bearing parts for the 2018 Jeep Grand Cherokee come from 3 brands — MAHLE / CLEVITE, KING ENGINE BEARINGS and ENGINETECH. The "Popular" part is MAHLE / CLEVITE CB1808HXN.

The High Performance section: 4 options from MAHLE / CLEVITE and KING ENGINE BEARINGS. MAHLE / CLEVITE CB1808HXN is listed in this group.

Standard Replacement: 8 parts, from MAHLE / CLEVITE, ENGINETECH and KING ENGINE BEARINGS. A representative part number is ENGINETECH BB111J.

1 further part sits outside the graded sections, with the same engine-level match.

This table covers the Connecting Rod bolts. Read more

MOPAR supplies both parts for the 2018 Jeep Grand Cherokee.

Part numbers include MOPAR 6508955AA and MOPAR 6508245AA.

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

13 Conversion / Lower Gasket Set parts for the 2018 Jeep Grand Cherokee come from 8 brands — AJUSA, FEL-PRO, APEX and 5 other brands. The "Popular" part is FEL-PRO CS26738.

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

2 Crankshaft parts for the 2018 Jeep Grand Cherokee come from MOPAR.

This group includes MOPAR 5038339AE and MOPAR 5038339AG.

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

12 Crankshaft Main Bearing parts are listed for the 2018 Jeep Grand Cherokee, from MOPAR, KING ENGINE BEARINGS, MAHLE / CLEVITE and 1 other brand. KING ENGINE BEARINGS MB5840XP carries the "Popular" badge.

High Performance: 3 parts, from KING ENGINE BEARINGS and MAHLE / CLEVITE. A representative part number is KING ENGINE BEARINGS MB5840XP.

The Standard Replacement section: 8 options from MOPAR, KING ENGINE BEARINGS and MAHLE / CLEVITE. KING ENGINE BEARINGS MB5840SI is listed in this group.

1 ungrouped part is not assigned to a grade, with the same engine-level match.

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

6 Crankshaft Repair Sleeve parts are listed for the 2018 Jeep Grand Cherokee, from WJB / INMOTION PARTS, BCA, FEL-PRO and 2 other brands.

Part numbers include BCA NS99215, FEL-PRO 16230 and MAHLE / CLEVITE A351, among others listed above.

This table covers the Crankshaft Repair Sleeve tools. This is a service tool, not a wear part — match the application in the notes. Read more

2 Crankshaft Repair Sleeve Tool parts are listed for the 2018 Jeep Grand Cherokee, from FEL-PRO and VICTOR REINZ.

Listed part numbers: FEL-PRO 16328 and VICTOR REINZ 711620300.

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

26 Crankshaft Seal parts are listed for the 2018 Jeep Grand Cherokee, from APEX, NATIONAL, FEL-PRO and 6 other brands. APEX ATC2751 carries the "Popular" badge. The notes list position, dimensions and spec qualifiers wherever the manufacturer distinguishes between variants.

This table covers the Cylinder Deactivation Delete Block-Off 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

This group shows a single part: MELLING MEP337.

This table covers the Cylinder Deactivation solenoids. Typical signs include a harsh or missing shift, or a code for this solenoid circuit. Check resistance and the connector before dropping the pan for a solenoid. Read more

5 Cylinder Deactivation Solenoid parts are listed for the 2018 Jeep Grand Cherokee, from DORMAN, CLOYES, STANDARD MOTOR PRODUCTS and 1 other brand. DORMAN 916592XD carries the "Popular" badge.

This group includes DORMAN 916592XD, CLOYES VTS237 and DORMAN 916593 and the remaining parts above.

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

MOPAR supplies both parts for the 2018 Jeep Grand Cherokee.

This group includes MOPAR 68280510AD and MOPAR 68280511AD.

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

This group shows a single part: MOPAR 5203466.

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

11 Cylinder Head Bolt parts for the 2018 Jeep Grand Cherokee come from 7 brands — FEL-PRO, AJUSA, APEX and 4 other brands. The "Popular" part is ENGINETECH HB228.

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

28 Cylinder Head Gasket parts for the 2018 Jeep Grand Cherokee come from 8 brands — MOPAR, APEX, FEL-PRO and 5 other brands. The "Popular" part is ELRING 178330. A list this long means Cylinder Head Gasket applications vary by configuration — the notes carry the qualifiers.

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

10 Cylinder Head Gasket Set parts for the 2018 Jeep Grand Cherokee come from 7 brands — FEL-PRO, AJUSA, SKP and 4 other brands. The "Popular" part is APEX AHS13059.

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 Grand Cherokee — MOPAR 4556020AB.

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

MOPAR supplies both parts for the 2018 Jeep Grand Cherokee.

This group includes MOPAR 4609325 and MOPAR 5149022AC.

This table covers the Engine covers. Read more

9 Engine Cover parts for the 2018 Jeep Grand Cherokee come from 2 brands — MOPAR and TECHPRO. The "Popular" part is MOPAR 68277399AA.

This group includes MOPAR 68277399AA, MOPAR 5182519AB and MOPAR 68277400AA and the remaining parts above.

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

6 Engine Kit Gasket Set parts for the 2018 Jeep Grand Cherokee come from 2 brands — AJUSA and MOPAR.

Listed part numbers: AJUSA 51113600, AJUSA 50547800 and AJUSA 50565400, plus the other 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

8 Exhaust Valve parts are listed for the 2018 Jeep Grand Cherokee, from MOPAR, ENGINETECH, MELLING and 2 other brands.

Listed part numbers: ENGINETECH V3503, ENGINETECH V3761 and MELLING V5826, 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

4 Expansion Plug parts for the 2018 Jeep Grand Cherokee come from 2 brands — MELLING and MOPAR.

This group includes MELLING MPE903BR, MELLING MPE902BR and MOPAR 68060349AA and the remaining parts above.

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

9 Harmonic Balancer parts for the 2018 Jeep Grand Cherokee come from 6 brands — MOPAR, ATP, SKP and 3 other brands. The "Popular" part is MOPAR 5038473AA.

The Economy section lists 1 option from SKP — the catalog's value-priced group. SKP SK5038473AA is listed in this group.

The High Performance section: 1 option from DAYCO. DAYCO PBU1639SS25 is listed in this group.

Standard Replacement: 3 parts, from MOPAR, ATP and DORMAN. A representative part number is MOPAR 5038473AA.

4 further parts sit outside the graded sections, with the same engine-level match.

This group includes MOPAR 5038473AA, SKP SK5038473AA and DAYCO PBU1639SS25 and the remaining parts 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

4 Intake Manifold parts are listed for the 2018 Jeep Grand Cherokee, from DORMAN, LARES, MOPAR and 1 other brand.

Listed part numbers: DORMAN 615311, LARES 33870 and MOPAR 68190715AD, plus the other parts above.

This table covers the Intake Manifold actuators. Typical signs include a door or range that will not move, or a click with no motion. Confirm the command signal before replacing the actuator — a failed module looks the same. Read more

2 Intake Manifold Actuator parts for the 2018 Jeep Grand Cherokee come from MOPAR.

This group includes MOPAR 5038529AD and MOPAR 5038529AC.