2018 Ram 4500 Engine Parts

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

MELLING supplies the 6 Camshaft parts for the 2018 Ram 4500. MELLING 23108 carries the "Popular" badge.

In the High Performance grade, MELLING supplies 4 parts: engineered beyond original-equipment specification. A representative part number is MELLING 23108.

The Standard Replacement section lists 2 options from MELLING — built to original-equipment specification. MELLING MC1438 is listed in this group.

This group includes MELLING 23108, MELLING 23107 and MELLING 23207 and the remaining parts above.

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

5 Camshaft Bearing parts are listed for the 2018 Ram 4500, from DURA-BOND, ENGINETECH and MAHLE / CLEVITE. ENGINETECH CC487 carries the "Popular" badge.

Part numbers include ENGINETECH CC487, DURA-BOND PD41 and DURA-BOND PDP41T, among others listed 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 are listed for the 2018 Ram 4500, from 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 for the 2018 Ram 4500 come from 2 brands — MELLING and MOPAR.

This group includes MELLING MD200 and MOPAR 53022178AE.

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

8 Connecting Rod Bearing parts are listed for the 2018 Ram 4500, from MAHLE / CLEVITE and ENGINETECH. ENGINETECH BB111J carries the "Popular" badge.

High Performance: 2 parts, from MAHLE / CLEVITE. A representative part number is MAHLE / CLEVITE CB1808HXN.

The Standard Replacement section: 6 options from MAHLE / CLEVITE and ENGINETECH. ENGINETECH BB111J is listed in this group.

Part numbers include ENGINETECH BB111J, MAHLE / CLEVITE CB1808HXN and MAHLE / CLEVITE CB1808HN, among others listed above.

This table covers the Connecting Rod bolts. Read more

This group shows a single part: 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

One part is listed for the 2018 Ram 4500 — MOPAR 68230065AA.

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

MOPAR supplies both parts for the 2018 Ram 4500.

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

5 Crankshaft Main Bearing parts for the 2018 Ram 4500 come from 2 brands — MOPAR and MAHLE / CLEVITE. The "Popular" part is MAHLE / CLEVITE MS2296A.

The High Performance section: 1 option from MAHLE / CLEVITE. MAHLE / CLEVITE MS2296H is listed in this group.

Standard Replacement: 4 parts, from MOPAR and MAHLE / CLEVITE. A representative part number is MAHLE / CLEVITE MS2296A.

Part numbers include MAHLE / CLEVITE MS2296A, MAHLE / CLEVITE MS2296H and MOPAR 68102975AB, among others listed above.

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

2 Crankshaft Repair Sleeve parts for the 2018 Ram 4500 come from 2 brands — FEL-PRO and MAHLE / CLEVITE.

Part numbers include FEL-PRO 16230 and MAHLE / CLEVITE A351.

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

This group shows a single part: FEL-PRO 16328.

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

7 Crankshaft Seal parts for the 2018 Ram 4500 come from 5 brands — FEL-PRO, MOPAR, DORMAN and 2 other brands. The "Popular" part is FEL-PRO BS40684.

This group includes FEL-PRO BS40684, MOPAR 53021585AD and DORMAN 635333 and the remaining parts above.

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

4 Cylinder Deactivation Solenoid parts for the 2018 Ram 4500 come from 3 brands — DORMAN, STANDARD MOTOR PRODUCTS and WELLS.

Listed part numbers: DORMAN 916592XD, DORMAN 916593 and STANDARD MOTOR PRODUCTS CDS01, plus the other parts above.

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

2 Cylinder Head parts for the 2018 Ram 4500 come from MOPAR.

This group includes MOPAR 68280508AE and MOPAR 68280509AE.

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

One part is listed for the 2018 Ram 4500 — MOPAR 5203466.

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

4 Cylinder Head Bolt parts are listed for the 2018 Ram 4500, from ENGINETECH, FEL-PRO, MAHLE / CLEVITE and 1 other brand.

Part numbers include ENGINETECH HB228, FEL-PRO ES72200 and MAHLE / CLEVITE GS33429, 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

9 Cylinder Head Gasket parts are listed for the 2018 Ram 4500, from FEL-PRO, MAHLE / CLEVITE, MOPAR and 2 other brands. FEL-PRO 26568PT carries the "Popular" badge.

Part numbers include FEL-PRO 26568PT, FEL-PRO 26569PT and MAHLE / CLEVITE 55456, among others listed above.

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

One part is listed for the 2018 Ram 4500 — MAHLE / CLEVITE HS55457A.

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

This group shows a single part: MOPAR 4556020AB.

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

This group shows a single part: MOPAR 68225550AA.

This table covers the Engine covers. Read more

One part is listed for the 2018 Ram 4500 — MOPAR 4861784AB.

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

One part is listed for the 2018 Ram 4500 — MOPAR 68312489AB.

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

2 Exhaust Valve parts for the 2018 Ram 4500 come from 2 brands — MOPAR and SBI.

Part numbers include MOPAR 4893173AE and SBI P5398.

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 are listed for the 2018 Ram 4500, from 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

3 Harmonic Balancer parts are listed for the 2018 Ram 4500, from MOPAR and DAYCO.

Part numbers include DAYCO PB1718N, MOPAR 53022083AA and MOPAR 4893285AA.

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

This group shows a single part: MOPAR 68585863AA.

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

One part is listed for the 2018 Ram 4500 — MOPAR 4861795AC.

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

4 Intake Manifold Gasket parts are listed for the 2018 Ram 4500, from MAHLE / CLEVITE, FEL-PRO and MOPAR.

This group includes FEL-PRO MS97089, MAHLE / CLEVITE MS19825 and MAHLE / CLEVITE MIS20455 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

3 Intake Valve parts for the 2018 Ram 4500 come from 3 brands — MELLING, MOPAR and SBI.

Listed part numbers: MELLING V5821, MOPAR 5045487AD and SBI P5397.

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

This group shows a single part: MOPAR 68413695AA.

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

3 Oil parts for the 2018 Ram 4500 come from 2 brands — MOBIL and MOPAR.

Listed part numbers: MOBIL 112628, MOBIL 126870 and MOPAR 68171066PC.

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

3 Oil Cooler parts for the 2018 Ram 4500 come from 3 brands — DORMAN, MOPAR and STANDARD MOTOR PRODUCTS.

Listed part numbers: DORMAN 918410, MOPAR 4893200AC and STANDARD MOTOR PRODUCTS OCK33.

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 are listed for the 2018 Ram 4500, from FEL-PRO and MAHLE / CLEVITE.

This group includes FEL-PRO ES73317 and MAHLE / CLEVITE GS34036.

This table covers the Oil Dipstick tubes. Read more

2 Oil Dipstick / Tube parts for the 2018 Ram 4500 come from MOPAR.

Listed part numbers: MOPAR 53021321AK and MOPAR 53021322AG.

This table covers the drain plugs in the oil pan. Read more

5 Oil Drain Plug parts for the 2018 Ram 4500 come from 4 brands — DORMAN, AGS, ENGINETECH and 1 other brand. The "Popular" part is AGS ODP00007.

Listed part numbers: AGS ODP00007, DORMAN 090172 and DORMAN 092020, plus the other parts above.

This table covers the caps on the oil filler neck. Read more

3 Oil Filler Cap parts for the 2018 Ram 4500 come from 3 brands — GATES, MOTORAD and SKP.

This group includes GATES 31299, MOTORAD MO158 and SKP SKMO158.

This table covers the oil filters that screw onto this engine's filter mount. Typical signs include low oil pressure after a service, or a filter that will not spin off because the old gasket stayed on the block. Lube the new gasket and tighten to the spec on the box; a double-gasket install dumps the sump on the first drive. Read more

16 Oil Filter parts for the 2018 Ram 4500 come from 12 brands — VARIOUS MFR, WIX, ACDELCO and 9 other brands. The "Popular" part is WIX 57060XP.

The Economy section lists 5 options from FRAM, FVP, PRO-TEC and 2 other brands — the catalog's value-priced group. FRAM FE10060 is listed in this group.

The High Performance / Heavy Duty section lists 2 options from WIX and MOBIL — grouped under the catalog's "High Performance / Heavy Duty" designation — the notes column spells out what sets them apart. WIX 57060XP is listed in this group.

Standard Replacement: 9 parts, from ACDELCO, MOPAR, BOSCH and 4 other brands. A representative part number is ACDELCO PF48.

This table covers the Oil Filter adapters. Read more

One part is listed for the 2018 Ram 4500 — MOPAR 4893181AC.

This table covers the Oil Filter Adapter Gasket O-rings. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove. Read more

3 Oil Filter Adapter Gasket / O-Ring parts are listed for the 2018 Ram 4500, from FEL-PRO, MAHLE / CLEVITE and MOPAR.

This group includes FEL-PRO ES73197, MAHLE / CLEVITE GS33767 and MOPAR 68241151AA.

This table covers the Oil Level sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors. Read more

This group shows a single part: SKP SKFLS06.

This table covers the Oil Level Sensor Gasket O-rings. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove. Read more

This group shows a single part: MOPAR 53034112AA.

This table covers the oil pans that hold the engine's oil sump. Read more

5 Oil Pan parts are listed for the 2018 Ram 4500, from SPECTRA PREMIUM, DORMAN, MOPAR and 1 other brand. SPECTRA PREMIUM CRP34A carries the "Popular" badge.

Part numbers include SPECTRA PREMIUM CRP34A, DORMAN 264260 and MOPAR 4893207AB, among others listed above.

This table covers the gaskets between the oil pan and the block. 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

This group shows a single part: MOPAR 4893353AA.

This table covers the Oil pumps. Typical signs include noise from the pump, no pressure, or fluid that never arrives at the outlet. Prime or fill the pump as the notes require. A dry start is a common way to kill a new unit. Read more

9 Oil Pump parts for the 2018 Ram 4500 come from 3 brands — MELLING, ENGINETECH and MOPAR. The "Popular" part is MELLING 10452HV.

The High Performance section: 3 options from MELLING. MELLING 10452HV is listed in this group.

The High Volume / Pressure section lists 2 options from MELLING and ENGINETECH — grouped under the catalog's "High Volume / Pressure" designation — the notes column spells out what sets them apart. MELLING M452HV is listed in this group.

Standard Replacement: 4 parts, from MELLING, ENGINETECH and MOPAR. A representative part number is ENGINETECH EP462.

This group includes MELLING 10452HV, MELLING 10452 and MELLING 10452BR and the remaining parts above.

This table covers the pickup tubes and screens that feed the oil pump. Read more

3 Oil Pump Pickup Tube / Screen parts are listed for the 2018 Ram 4500, from MELLING, MOPAR and SEALED POWER.

Part numbers include MELLING 388S, MOPAR 4893416AA and SEALED POWER 22415096.

This table covers the O-rings that seal the oil-pump pickup tube. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove. Read more

This group shows a single part: MOPAR 53020861.

This table covers the seals at the Oil Pump. 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 Ram 4500 — MOPAR 68019663AA.

This table covers the pistons that travel in each cylinder. Typical signs include knock, blow-by, or a cylinder that will not hold compression. Piston work is a short-block job. Match bore, pin and ring pack in the notes — not the photo. Read more

MOPAR supplies both parts for the 2018 Ram 4500.

This group includes MOPAR 68230025AB and MOPAR 68230024AB.

This table covers the rings that seal each piston to the cylinder wall. Read more

4 Piston Ring parts are listed for the 2018 Ram 4500, from ENGINETECH, HASTINGS MANUFACTURING, SEALED POWER and 1 other brand.

The Premium section lists 3 options from ENGINETECH, HASTINGS MANUFACTURING and SEALED POWER — a step above OE specification in materials, tolerances or warranty terms. ENGINETECH M40918 is listed in this group.

The Standard Replacement section: 1 option from MOPAR. MOPAR 68230035AA is listed in this group.

Part numbers include ENGINETECH M40918, HASTINGS MANUFACTURING 2M5433 and SEALED POWER E1038K, among others listed above.

This table covers the pushrods that transfer lifter motion to the rocker arms. Read more

7 Push Rod parts are listed for the 2018 Ram 4500, from ENGINETECH, MELLING, MOPAR and 1 other brand. ENGINETECH EPR1549 carries the "Popular" badge.

This group includes ENGINETECH EPR1549, MELLING MPR667 and ENGINETECH EPR1550 and the remaining parts above.

This table covers the rocker arms that transfer cam motion to the valves. Read more

7 Rocker Arm parts for the 2018 Ram 4500 come from 3 brands — ENGINETECH, MELLING and QUALCAST. The "Popular" part is MELLING MRK1552I.

This group includes MELLING MRK1552I, MELLING MRK1553E and ENGINETECH ERK355 and the remaining parts above.

This table covers the Thrust washers. Read more

This group shows a single part: MAHLE / CLEVITE TW611S.

This table covers the timing chains that keep the cams in time with the crank. Read more

6 Timing Chain parts are listed for the 2018 Ram 4500, from MELLING, MOPAR, CLOYES and 3 other brands. MELLING 750 carries the "Popular" badge.

Part numbers include MELLING 750, MOPAR 53022316AC and CLOYES C750, among others listed above.

This table covers kits that group a timing chain with the related tensioners and guides. Read more

13 Timing Chain & Component Kit parts for the 2018 Ram 4500 come from 6 brands — MELLING, S.A. GEAR, INA and 3 other brands. The "Popular" part is CLOYES 90750S.

The Economy section: 6 options from S.A. GEAR, MELLING, SKP and 1 other brand. MELLING 3750SHVVT is listed in this group.

Standard Replacement: 7 parts, from MELLING, INA and CLOYES. A representative part number is CLOYES 90750S.

This table covers the gaskets that seal the Timing Chain 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

One part is listed for the 2018 Ram 4500 — MOPAR 53021521AD.

This table covers the guides and dampers that keep the timing chain on its path. Read more

6 Timing Chain Guide / Damper parts are listed for the 2018 Ram 4500, from MELLING, MOPAR, CLOYES and 3 other brands. MELLING BG5599 carries the "Popular" badge.

Listed part numbers: MELLING BG5599, MOPAR 4893429AA and CLOYES 95599, plus the other parts above.

This table covers the tensioners that keep the timing chain taut. Typical signs include belt flutter, a chirp that returns after a new belt, or an arm that no longer damps. Replace the tensioner with the belt at higher mileage. Read more

6 Timing Chain Tensioner parts for the 2018 Ram 4500 come from 6 brands — MELLING, MOPAR, CLOYES and 3 other brands. The "Popular" part is MELLING BT7002.

Part numbers include MELLING BT7002, MOPAR 53022115AH and CLOYES 95598, among others listed above.

This table covers the Timing Cover bolts. Read more

This group shows a single part: MOPAR 6506332AA.