2021 Ram 5500 Engine Parts

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

7 Camshaft parts for the 2021 Ram 5500 come from 2 brands — MELLING and MOPAR. The "Popular" part is MELLING 23108.

The High Performance section lists 4 options from MELLING — engineered beyond original-equipment specification. MELLING 23108 is listed in this group.

In the Standard Replacement grade, MELLING supplies 2 parts: built to original-equipment specification. A representative part number is MELLING MC1438.

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

Listed part numbers: MELLING 23108, MELLING 23107 and MELLING 23207, plus the other 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

This group shows a single part: MAHLE / CLEVITE SH2191S.

This table covers the Camshaft bushings. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles. Read more

2 Camshaft Bushing parts for the 2021 Ram 5500 come from MOPAR.

Part numbers include MOPAR 68067127AA and MOPAR 68443542AA.

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 2021 Ram 5500 come from 2 brands — MELLING and MOPAR.

This group includes 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 2021 Ram 5500, from MELLING and MOPAR.

Listed part numbers: MELLING MD200 and MOPAR 53022178AE.

This table covers the connecting rods between each piston and the crankshaft. Read more

This group shows a single part: MOPAR 68447755AA.

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

7 Connecting Rod Bearing parts for the 2021 Ram 5500 come from MAHLE / CLEVITE. The "Popular" part is MAHLE / CLEVITE CB1808A.

The High Performance section: 2 options from MAHLE / CLEVITE. MAHLE / CLEVITE CB1808HXN is listed in this group.

Standard Replacement: 4 parts, from MAHLE / CLEVITE. A representative part number is MAHLE / CLEVITE CB1808A.

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

Part numbers include MAHLE / CLEVITE CB1808A, MAHLE / CLEVITE CB1808HXN and MAHLE / CLEVITE CB1808HN, among others listed above.

This table covers the Connecting Rod bolts. Read more

MOPAR supplies both parts for the 2021 Ram 5500.

Listed part numbers: MOPAR 6508245AA and MOPAR 5114414AA.

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

3 Conversion / Lower Gasket Set parts for the 2021 Ram 5500 come from 2 brands — MOPAR and MAHLE / CLEVITE.

Listed part numbers: MAHLE / CLEVITE CS55525, MOPAR 68230065AA and MOPAR 68503526AA.

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

3 Crankshaft parts for the 2021 Ram 5500 come from MOPAR.

Listed part numbers: MOPAR 5038339AE, MOPAR 5038339AG and MOPAR 68569167AA.

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 2021 Ram 5500, from MAHLE / CLEVITE, MOPAR and ENGINETECH. MAHLE / CLEVITE MS2328H carries the "Popular" badge.

High Performance: 6 parts, from MAHLE / CLEVITE. A representative part number is MAHLE / CLEVITE MS2328H.

The Standard Replacement section: 6 options from MOPAR, MAHLE / CLEVITE and ENGINETECH. ENGINETECH BC118J is listed in this group.

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

One part is listed for the 2021 Ram 5500 — FEL-PRO 16230.

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

One part is listed for the 2021 Ram 5500 — 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

14 Crankshaft Seal parts are listed for the 2021 Ram 5500, from MOPAR, FEL-PRO, MAHLE / CLEVITE and 2 other brands. FEL-PRO BS40684 carries the "Popular" badge.

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

3 Cylinder Deactivation Solenoid parts are listed for the 2021 Ram 5500, from DORMAN and WELLS.

This group includes DORMAN 916592XD, DORMAN 916593 and WELLS 3N2001.

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

MOPAR supplies both parts for the 2021 Ram 5500.

This group includes MOPAR 68280508AE and MOPAR 68280509AE.

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

2 Cylinder Head Bolt parts for the 2021 Ram 5500 come from MAHLE / CLEVITE.

This group includes MAHLE / CLEVITE GS33429 and MAHLE / CLEVITE GS33493.

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

11 Cylinder Head Gasket parts for the 2021 Ram 5500 come from 5 brands — MAHLE / CLEVITE, MOPAR, FEL-PRO and 2 other brands. The "Popular" part is FEL-PRO 26568PT.

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

3 Cylinder Head Gasket Set parts for the 2021 Ram 5500 come from 2 brands — MAHLE / CLEVITE and MOPAR.

Listed part numbers: MAHLE / CLEVITE HS55457A, MAHLE / CLEVITE HS55525 and MOPAR 68503525AA.

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

MOPAR supplies the 6 Cylinder Head Plug parts for the 2021 Ram 5500.

Part numbers include MOPAR 4556020AB, MOPAR 4429735 and MOPAR 5016558AA, among others listed above.

This table covers the Cylinder Head Spacer shims. Read more

This group shows a single part: SBI 2302176.

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

MOPAR supplies both parts for the 2021 Ram 5500.

Part numbers include MOPAR 5149022AC and MOPAR 68450842AA.

This table covers the Engine covers. Read more

6 Engine Cover parts for the 2021 Ram 5500 come from MOPAR. 4 parts fit every engine; the other 2 are engine-specific.

Part numbers include MOPAR 4861784AB, MOPAR 68370623AB and MOPAR 68370624AB, among others listed 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

This group shows a single part: MOPAR 68312489AB.

This table covers the brackets that mount the Engine Lift. 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

2 Engine Lift Bracket parts for the 2021 Ram 5500 come from MOPAR.

This group includes MOPAR 68002993AB and MOPAR 68444750AA.

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 2021 Ram 5500, from MOPAR, SBI and ENGINETECH.

Part numbers include ENGINETECH V3645, MOPAR 4893173AE and MOPAR 68447697AA, among others listed 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

7 Expansion Plug parts for the 2021 Ram 5500 come from 2 brands — MOPAR and MELLING.

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 for the 2021 Ram 5500 come from 2 brands — MOPAR and DAYCO.

Listed part numbers: 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

One part is listed for the 2021 Ram 5500 — 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

This group shows a single part: MOPAR 4861795AC.

This table covers the Intake Manifold covers. Read more

This group shows a single part: MOPAR 68290470AA.

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

5 Intake Manifold Gasket parts for the 2021 Ram 5500 come from 2 brands — MAHLE / CLEVITE and MOPAR.

Part numbers include MAHLE / CLEVITE MS19825, MAHLE / CLEVITE MS19751 and MAHLE / CLEVITE MS20647, among others listed 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

7 Intake Valve parts are listed for the 2021 Ram 5500, from MELLING, MOPAR, SBI and 1 other brand.

This group includes ENGINETECH V3644, MELLING V5821 and MELLING V2014 and the remaining parts 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 both parts for the 2021 Ram 5500.

This group includes MOPAR 68413695AA and MOPAR 52122613AC.

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

This group shows a single part: MOPAR 68408002AA.

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

4 Oil parts are listed for the 2021 Ram 5500, from MOBIL and MOPAR.

Part numbers include MOBIL 112628, MOBIL 126870 and MOPAR 68171066PC, among others listed above.

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

6 Oil Cooler parts are listed for the 2021 Ram 5500, from MOPAR, STANDARD MOTOR PRODUCTS, DORMAN and 1 other brand.

This group includes DORMAN 918410, MOPAR 4893200AC and MOPAR 68015126AA and the remaining parts above.

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

4 Oil Cooler Gasket parts for the 2021 Ram 5500 come from 2 brands — FEL-PRO and MAHLE / CLEVITE.

Part numbers include FEL-PRO ES73317, FEL-PRO ES72376 and MAHLE / CLEVITE GS34036, among others listed above.

This table covers the Oil Cooler Hose pipes. Read more

One part is listed for the 2021 Ram 5500 — MOPAR 68359800AA.