2020 Ram 2500 Engine Parts

This table covers the Barometric pressure sensors. Typical signs include a check-engine light for MAP or fuel-rail pressure, or a limp mode under load. A vacuum leak or a clogged reference line will fake a bad pressure sensor. Read more

2 Barometric Pressure Sensor parts for the 2020 Ram 2500 come from 2 brands — HOLSTEIN and STANDARD MOTOR PRODUCTS.

The Economy section lists 1 option from HOLSTEIN — the catalog's value-priced group. HOLSTEIN 2MAP0143 is listed in this group.

In the Standard Replacement grade, STANDARD MOTOR PRODUCTS supplies 1 part: built to original-equipment specification. A representative part number is STANDARD MOTOR PRODUCTS AS414.

Listed part numbers: HOLSTEIN 2MAP0143 and STANDARD MOTOR PRODUCTS AS414.

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

6 Camshaft parts for the 2020 Ram 2500 come from MELLING. 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.

Standard Replacement: 2 parts, from MELLING. A representative part number is MELLING MC1438.

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

2 Camshaft Bearing parts for the 2020 Ram 2500 come from 2 brands — ENGINETECH and MAHLE / CLEVITE.

Part numbers include ENGINETECH CC487 and MAHLE / CLEVITE SH2191S.

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 2020 Ram 2500 come from 2 brands — MELLING and MOPAR.

Part numbers include 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 2020 Ram 2500, from MELLING and MOPAR.

Part numbers include 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

9 Connecting Rod Bearing parts for the 2020 Ram 2500 come from 2 brands — MAHLE / CLEVITE and ENGINETECH. The "Popular" part is ENGINETECH BB111J.

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

Standard Replacement: 6 parts, from MAHLE / CLEVITE and ENGINETECH. A representative part number is ENGINETECH BB111J.

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

This group includes ENGINETECH BB111J, MAHLE / CLEVITE CB1808HXN and MAHLE / CLEVITE CB1808HN and the remaining parts above.

This table covers the Connecting Rod bolts. Read more

One part is listed for the 2020 Ram 2500 — 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

4 Conversion / Lower Gasket Set parts for the 2020 Ram 2500 come from 3 brands — AJUSA, MAHLE / CLEVITE and MOPAR.

Part numbers include AJUSA 54321300, AJUSA 54325700 and MAHLE / CLEVITE CS55525, among others listed above.

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

2 Crankshaft parts for the 2020 Ram 2500 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

11 Crankshaft Main Bearing parts are listed for the 2020 Ram 2500, from MAHLE / CLEVITE, MOPAR and ENGINETECH. MAHLE / CLEVITE MS2328H carries the "Popular" badge.

High Performance: 5 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

3 Crankshaft Repair Sleeve parts are listed for the 2020 Ram 2500, from FEL-PRO and MAHLE / CLEVITE.

This group includes FEL-PRO 16230, FEL-PRO 16274 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

4 Crankshaft Repair Sleeve Tool parts are listed for the 2020 Ram 2500, from FEL-PRO and VICTOR REINZ.

This group includes FEL-PRO 16328, FEL-PRO 16319 and VICTOR REINZ 711620300 and the remaining parts above.

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

21 Crankshaft Seal parts are listed for the 2020 Ram 2500, from APEX, FEL-PRO, MAHLE / CLEVITE and 4 other brands. APEX ATC2751 carries the "Popular" badge.

This table covers the gaskets that seal the Crankshaft Seal. 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: ELRING 049640.

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 2020 Ram 2500, from DORMAN, CLOYES, STANDARD MOTOR PRODUCTS and 1 other brand. DORMAN 916592XD carries the "Popular" badge.

Part numbers include DORMAN 916592XD, CLOYES VTS237 and DORMAN 916593, among others listed above.

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

10 Cylinder Head Bolt parts for the 2020 Ram 2500 come from 6 brands — ARP, FEL-PRO, APEX and 3 other brands. The "Popular" part is ARP 2474202.

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

15 Cylinder Head Gasket parts for the 2020 Ram 2500 come from 8 brands — MAHLE / CLEVITE, VICTOR REINZ, FEL-PRO and 5 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

8 Cylinder Head Gasket Set parts for the 2020 Ram 2500 come from 5 brands — AJUSA, ELRING, MAHLE / CLEVITE and 2 other brands.

This group includes AJUSA 52604200, AJUSA 52648800 and APEX AHS13059 and the remaining 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 2020 Ram 2500 — MOPAR 4556020AB.

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

One part is listed for the 2020 Ram 2500 — MOPAR 5149022AC.

This table covers the Engine covers. Read more

7 Engine Cover parts for the 2020 Ram 2500 come from MOPAR. 5 parts fit every engine; the other 2 are engine-specific.

This group includes MOPAR 68196979AA, MOPAR 4861784AB and MOPAR 68196978AA 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

3 Engine Kit Gasket Set parts for the 2020 Ram 2500 come from 2 brands — AJUSA and MOPAR.

Listed part numbers: AJUSA 50548200, AJUSA 50575500 and 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

8 Exhaust Valve parts are listed for the 2020 Ram 2500, from SBI, MELLING, MOPAR and 1 other brand. SBI 13006 carries the "Popular" badge.

Part numbers include SBI 13006, ENGINETECH V3645 and MELLING V5822, 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

4 Expansion Plug parts for the 2020 Ram 2500 come from 2 brands — MELLING and MOPAR.

Part numbers include MELLING MPE903BR, MELLING MPE902BR and MOPAR 68060349AA, among others listed above.

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

5 Harmonic Balancer parts for the 2020 Ram 2500 come from 4 brands — MOPAR, DAYCO, ATP and 1 other brand. The "Popular" part is DAYCO PB1718N.

Part numbers include DAYCO PB1718N, ATP 102348 and MOPAR 53022083AA, among others listed above.

This table covers the Harmonic Balancer bolts. Read more

One part is listed for the 2020 Ram 2500 — ARP 1472503.

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 2020 Ram 2500 — 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 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

13 Intake Manifold Gasket parts for the 2020 Ram 2500 come from 6 brands — MAHLE / CLEVITE, ELRING, FEL-PRO and 3 other brands. The "Popular" part is FEL-PRO MS97089.

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 2020 Ram 2500, from MELLING, MOPAR, SBI and 1 other brand.

Part numbers include ENGINETECH V3644, MELLING V5821 and MELLING V2014, among others listed above.

This table covers the long-block engine assemblies (block, crank, heads). Read more

This group shows a single part: MOPAR R3041229AC.

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

11 Motor Mount parts are listed for the 2020 Ram 2500, from ANCHOR, DEA / MARMON RIDE CONTROL and PIONEER. ANCHOR 3563 carries the "Popular" badge.

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

One part is listed for the 2020 Ram 2500 — MOPAR 68413695AA.

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

2 Motor Mount Isolator parts for the 2020 Ram 2500 come from MOPAR.

This group includes MOPAR 68362401AB and MOPAR 68349283AB.

This table covers the Motor Mount kits. Read more

ANCHOR supplies the 4 Motor Mount Kit parts for the 2020 Ram 2500.

This group includes ANCHOR 300866, ANCHOR 300897 and ANCHOR 300971 and the remaining parts above.

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

19 Oil parts are listed for the 2020 Ram 2500, from VALVOLINE, LIQUI MOLY, MOBIL and 2 other brands. VALVOLINE 774038 carries the "Popular" badge.

In the Full Synthetic grade, VALVOLINE and MOPAR supply 3 parts: full-synthetic oils. A representative part number is VALVOLINE 774038.

In the Heavy Duty / Diesel grade, LIQUI MOLY and MOBIL supply 2 parts: grouped under the catalog's "Heavy Duty / Diesel" designation — the notes column spells out what sets them apart. A representative part number is LIQUI MOLY 20426.

In the Synthetic Blend grade, VALVOLINE supplies 2 parts: synthetic-blend oils. A representative part number is VALVOLINE 818289.

12 ungrouped parts are not assigned to a grade, with the same engine-level match.