2021 Ram 1500 Classic Engine Parts

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

13 Camshaft parts for the 2021 Ram 1500 Classic come from 2 brands — MELLING and ENGINETECH. The "Popular" part is MELLING MC1411.

The High Performance section lists 4 options from MELLING — engineered beyond original-equipment specification. MELLING 23107 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 MC1411.

7 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

3 Camshaft Bearing parts for the 2021 Ram 1500 Classic come from 2 brands — ENGINETECH and MAHLE / CLEVITE.

This group includes ENGINETECH CC487, ENGINETECH CC487P and MAHLE / CLEVITE SH2191S.

This table covers the Camshaft hardware kits. Read more

2 Camshaft Hardware Kit parts for the 2021 Ram 1500 Classic come from ENGINETECH.

Part numbers include ENGINETECH HK120 and ENGINETECH HK1204.

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

This group shows a single part: MELLING MEP334.

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

One part is listed for the 2021 Ram 1500 Classic — MELLING MD200.

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

17 Connecting Rod Bearing parts for the 2021 Ram 1500 Classic come from 4 brands — MAHLE / CLEVITE, KING ENGINE BEARINGS, ENGINETECH and 1 other brand. The "Popular" part is ENGINETECH BB111J.

The High Performance section: 4 options from KING ENGINE BEARINGS and MAHLE / CLEVITE. KING ENGINE BEARINGS CR8032XPN is listed in this group.

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

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

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 2021 Ram 1500 Classic come from 2 brands — AJUSA and MAHLE / CLEVITE.

This group includes AJUSA 54211100, AJUSA 54321500 and MAHLE / CLEVITE CS54880A and the remaining parts above.

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

7 Crankshaft Main Bearing parts are listed for the 2021 Ram 1500 Classic, from ENGINETECH, MAHLE / CLEVITE and KING ENGINE BEARINGS. ENGINETECH BC115J carries the "Popular" badge.

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

The Standard Replacement section: 2 options from ENGINETECH and MAHLE / CLEVITE. ENGINETECH BC115J is listed in this group.

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

Part numbers include ENGINETECH BC115J, ENGINETECH MB5840XP and MAHLE / CLEVITE MS2296H, among others listed above.

This table covers the Crankshaft Main Bearing Cap bolts. Read more

This group shows a single part: ARP 2445400.

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

2 Crankshaft Repair Sleeve parts are listed for the 2021 Ram 1500 Classic, from FEL-PRO and MAHLE / CLEVITE.

Listed part numbers: 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

One part is listed for the 2021 Ram 1500 Classic — 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

15 Crankshaft Seal parts are listed for the 2021 Ram 1500 Classic, from APEX, FEL-PRO, MAHLE / CLEVITE and 4 other brands. APEX ABS1312 carries the "Popular" badge.

This table covers the kits that disable cylinder deactivation. Read more

One part is listed for the 2021 Ram 1500 Classic — MELLING MDK100.

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 are listed for the 2021 Ram 1500 Classic, from DORMAN, CLOYES and WELLS.

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

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

8 Cylinder Head Bolt parts for the 2021 Ram 1500 Classic come from 6 brands — AJUSA, MAHLE / CLEVITE, ENGINETECH and 3 other brands. The "Popular" part is ENGINETECH HB228.

This group includes ENGINETECH HB228, AJUSA 81062400 and AJUSA 81076700 and the remaining parts 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

24 Cylinder Head Gasket parts for the 2021 Ram 1500 Classic come from 7 brands — MAHLE / CLEVITE, APEX, ENGINETECH and 4 other brands. The "Popular" part is APEX AHG1312L.

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

9 Cylinder Head Gasket Set parts for the 2021 Ram 1500 Classic come from 6 brands — MAHLE / CLEVITE, ENGINETECH, VICTOR REINZ and 3 other brands. The "Popular" part is FEL-PRO HS26423PT.

Part numbers include FEL-PRO HS26423PT, MAHLE / CLEVITE HS54418B and AJUSA 52651300, among others listed above.

This table covers the Cylinder Head Spacer shims. Read more

6 Cylinder Head Spacer Shim parts for the 2021 Ram 1500 Classic come from 2 brands — SBI and ENGINETECH.

This group includes ENGINETECH CHS1057L, ENGINETECH CHS1057R and SBI 2302200L 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

2 Engine Kit Gasket Set parts for the 2021 Ram 1500 Classic come from AJUSA.

This group includes AJUSA 50574500 and AJUSA 50548700.

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

6 Exhaust Valve parts are listed for the 2021 Ram 1500 Classic, from ENGINETECH, MELLING and SBI.

This group includes ENGINETECH V4483, ENGINETECH V4459 and MELLING V3264 and the remaining 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

This group shows a single part: ENGINETECH PK345.

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

8 Harmonic Balancer parts for the 2021 Ram 1500 Classic come from 5 brands — ATP, DAYCO, PIONEER and 2 other brands.

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

Standard Replacement: 4 parts, from ATP, DAYCO, DORMAN and 1 other brand. A representative part number is ATP 102343.

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

Listed part numbers: SKP SK594405, ATP 102343 and DAYCO PB1707N, plus the other 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

6 Intake Manifold parts are listed for the 2021 Ram 1500 Classic, from VAICO, AUTOTECNICA, DORMAN and 2 other brands.

Part numbers include AUTOTECNICA CY1418959, DORMAN 615914 and LARES 33865, among others listed 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

This group shows a single part: DORMAN 911933.

This table covers the Intake Manifold bolts. Read more

This group shows a single part: DORMAN 32128.

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

9 Intake Manifold Gasket parts for the 2021 Ram 1500 Classic come from 5 brands — MAHLE / CLEVITE, AJUSA, FEL-PRO and 2 other brands. The "Popular" part is FEL-PRO MS97204.

Part numbers include FEL-PRO MS97204 and AJUSA 13319500, among others listed above.

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

4 Intake Plenum Gasket parts are listed for the 2021 Ram 1500 Classic, from AJUSA, FEL-PRO, MAHLE / CLEVITE and 1 other brand.

Listed part numbers: AJUSA 01698200, FEL-PRO MS97205 and MAHLE / CLEVITE MS19878, plus the other 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

5 Intake Valve parts are listed for the 2021 Ram 1500 Classic, from MELLING, SBI and ENGINETECH.

Part numbers include ENGINETECH V4458, MELLING V3263 and MELLING V3194, 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

29 Motor Mount parts are listed for the 2021 Ram 1500 Classic, from ANCHOR, DEA / MARMON RIDE CONTROL, PIONEER and 2 other brands. ANCHOR 3491 carries the "Popular" badge. They are grouped as Economy and Standard Replacement, with Standard Replacement the largest group at 16 parts from ANCHOR, DEA / MARMON RIDE CONTROL, PIONEER and 1 other brand.

This table covers the Motor Mount kits. Read more

ANCHOR supplies the 4 Motor Mount Kit parts for the 2021 Ram 1500 Classic.

Part numbers include ANCHOR 300136, ANCHOR 300546 and ANCHOR 300133, among others listed 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

50 Oil parts are listed for the 2021 Ram 1500 Classic, from VALVOLINE, MOBIL, LIQUI MOLY and 2 other brands. LIQUI MOLY 20228 carries the "Popular" badge. They are grouped as Full Synthetic, High Mileage (>75,000 Miles) and Synthetic Blend, with Full Synthetic the largest group at 29 parts from VALVOLINE, LIQUI MOLY, IDEMITSU and 1 other brand.

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

5 Oil Cooler parts are listed for the 2021 Ram 1500 Classic, from GPD, DORMAN, HOLSTEIN and 1 other brand.

This group includes DORMAN 918495, GPD 2611434 and GPD 2611473 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

2 Oil Cooler Gasket parts for the 2021 Ram 1500 Classic come from 2 brands — AJUSA and MAHLE / CLEVITE.

Listed part numbers: AJUSA 77016800 and MAHLE / CLEVITE GS33753.

This table covers the Oil Cooler Mounting kits. Read more

This group shows a single part: VICTOR REINZ 131001101.