The 2021 Ram 1500 has 165 drivetrain parts with verified fitment on this page — 36 part types and 30 brands, covering all 4 engine options (3.0L V6 DIESEL Turbocharged, 3.6L V6, 5.7L V8 and 6.2L V8 Supercharged). Each part includes a manufacturer part number and application notes.
The drivetrain system on the 2021 Ram 1500 moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. The largest groups are Universal Joint (15 parts), CV Axle (14 parts) and Drive Shaft (12 parts). The other 33 part types cover the remaining 124 parts.
The 2021 Ram 1500 was sold with 4 engines. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2021 Ram 1500 drivetrain parts are MOPAR (57 parts), VALVOLINE (11 parts) and MOTIVE GEAR (10 parts), plus 27 more brands. Quality grades include Standard Replacement, Heavy Duty and Economy.
28 parts on this 2021 Ram 1500 page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including MOPAR 68257422AG (Axle / Differential Assembly) and SKF 17001 (Axle Shaft Seal). Click any part number to see every vehicle that part fits.
4WD Actuator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 730047 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| STANDARD MOTOR PRODUCTS Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | TCA81 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 4WD | View on Amazon |
| WELLS Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 1S12657 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the actuators that engage four-wheel drive at the transfer case or axle. 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.
3 4WD Actuator parts are listed for the 2021 Ram 1500, from ROSTRA, STANDARD MOTOR PRODUCTS and WELLS.
This group includes ROSTRA 730047, STANDARD MOTOR PRODUCTS TCA81 and WELLS 1S12657.
Axle / Differential Assembly
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Popular Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 68257422AG | 🇺🇸 US 🇨🇦 CA | Fits Front215MM Front Axle, 3.92 REAR AXLE RATIO WTAP VEHICLES BUILT ON OR BEFORE 3/12/21, NON BUX HALFSHAFT 68028398AC, BUX HALFSHAFT 52123702AC. | View on Amazon |
| MOPAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 68257420AH | 🇺🇸 US 🇨🇦 CA | Fits Front215MM Front Axle, 3.21 Rear Axle Ratio Wtap Vehicles Built On or Before 3/12/21, Non BUX Halfshaft 68028398AC, BUX Halfshaft 52123702AC. | View on Amazon |
| MOPAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 68257421AH | 🇺🇸 US 🇨🇦 CA | Fits Front215MM Front Axle, 3.55 REAR AXLE RATIO WTAP VEHICLES BUILT ON OR BEFORE 3/12/21, NON BUX HALFSHAFT 68028398AC, BUX HALFSHAFT 52123702AC. | View on Amazon |
| MOPAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 68257422AH | 🇺🇸 US 🇨🇦 CA | Fits Front215MM Front Axle, 3.92 REAR AXLE RATIO WTAP VEHICLES BUILT ON OR BEFORE 3/12/21, NON BUX HALFSHAFT 68028398AC, BUX HALFSHAFT 52123702AC. | View on Amazon |
| MOPAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 68260242AL | 🇺🇸 US 🇨🇦 CA | Fits Rear3.92 Rear Axle Ratio, E-Locker Rear Axle, Anti-Lock 4-Wheel Disc Brakes | View on Amazon |
| MOPAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 68272077AM | 🇺🇸 US 🇨🇦 CA | Fits Rear3.21 Rear Axle Ratio, Conventional Differential Rear Axle, Anti-Lock 4-Wheel Disc Brakes | View on Amazon |
This table covers the Axle / Differential assemblies.
MOPAR supplies the 6 Axle / Differential Assembly parts for the 2021 Ram 1500. MOPAR 68257422AG carries the "Popular" badge.
Listed part numbers: MOPAR 68257422AG, MOPAR 68257420AH and MOPAR 68257421AH, plus the other parts above.
Axle Housing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 68415286AC | 🇺🇸 US 🇨🇦 CA | Fits Rear3.92 Rear Axle Ratio, E-Locker Rear Axle, Anti-Lock 4-Wheel Disc Brakes | View on Amazon |
| MOPAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 68415345AC | 🇺🇸 US 🇨🇦 CA | Fits Rear3.21 Rear Axle Ratio, Conventional Differential Rear Axle, Thermal Rear Axle, Anti-Lock 4-Wheel Disc Brakes | View on Amazon |
| MOPAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 68532749AB | 🇺🇸 US 🇨🇦 CA | Fits Rear3.55 Rear Axle Ratio | View on Amazon |
This table covers the Axle housings.
3 Axle Housing parts for the 2021 Ram 1500 come from MOPAR.
This group includes MOPAR 68415286AC, MOPAR 68415345AC and MOPAR 68532749AB.
Axle Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 68349986AB | 🇺🇸 US 🇨🇦 CA | Fits RearRight | View on Amazon |
| MOPAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 68349987AB | 🇺🇸 US 🇨🇦 CA | Fits LeftRear | View on Amazon |
| MOPAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 68532754AB | 🇺🇸 US 🇨🇦 CA | Fits LeftRear | View on Amazon |
This table covers the Axle shafts.
MOPAR supplies the 3 Axle Shaft parts for the 2021 Ram 1500.
Part numbers include MOPAR 68349986AB, MOPAR 68349987AB and MOPAR 68532754AB.
Axle Shaft Bearing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTIVE GEAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | KIT6410 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Axle Differential Bearing and Seal Kit | View on Amazon |
This table covers the Axle Shaft 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.
One part is listed for the 2021 Ram 1500 — MOTIVE GEAR KIT6410.
Axle Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKF Popular Fits: 5.7L V8, 3.0L V6 DIESEL Turbocharged | 17001 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear | View on Amazon |
| TIMKEN Popular Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | SL260004 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear | View on Amazon |
| ELRING Fits: 5.7L V8 | B15560 | 🇺🇸 US 🇨🇦 CA | Radial Shaft Seal Design: BS2 BD | View on Amazon |
| SKF Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 14815A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front | View on Amazon |
| TIMKEN Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | SL260466 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front4WD | View on Amazon |
| WJB / INMOTION PARTS Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | WS14815A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front0.315 Width | View on Amazon |
This table covers the seals where an axle shaft exits the housing. 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.
6 Axle Shaft Seal parts for the 2021 Ram 1500 come from 4 brands — SKF, TIMKEN, ELRING and 1 other brand. The "Popular" part is SKF 17001.
Listed part numbers: SKF 17001, TIMKEN SL260004 and ELRING B15560, plus the other parts above.
CV Axle
Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TRAKMOTIVE Popular Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | CH8256HDX | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Extreme DutyDoes Not Include Clip | View on Amazon |
| GSP Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | NCV10040XD | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Xtreme Duty CV AxleFor Extreme Operating Temperatures | View on Amazon |
| TOP NOTCH Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | TN30179XD | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Xtreme Duty | View on Amazon |
Specialty - For Lifted Vehicles
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GSP Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | NCV10040XDP | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Extended Travel CV Axle | View on Amazon |
| TOP NOTCH Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | TN30179XDP | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Extended Travel | View on Amazon |
| TRAKMOTIVE Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | CH86010XTT | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Extended TravelExtreme Articulation For Lifted Suspensions | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GSP Popular Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | NCV10040 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front4WD | View on Amazon |
| TOP NOTCH Popular Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | TN30179 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front4WD | View on Amazon |
| MOPAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 68537122AA | 🇺🇸 US 🇨🇦 CA | Fits FrontLeft | View on Amazon |
| MOPAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 68537123AA | 🇺🇸 US 🇨🇦 CA | Fits FrontLeft | View on Amazon |
| MOPAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 68259567AA | 🇺🇸 US 🇨🇦 CA | Fits FrontLeft | View on Amazon |
| TRAKMOTIVE Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | CH8256 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Does Not Include Clip | View on Amazon |
| TRAKMOTIVE Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | CH86009 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | AAR Joint Design | View on Amazon |
| TRAKMOTIVE Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | CH86030 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | AAR Joint Design | View on Amazon |
This table covers the complete CV axle shafts from differential (or hub) to wheel. Typical signs include a click in tight turns, grease flung around the wheel well, or a vibration that builds with speed. A torn boot caught early is a boot kit; caught late it is the whole axle. Torque the axle nut to the method in the notes.
14 CV Axle parts for the 2021 Ram 1500 come from 4 brands — TRAKMOTIVE, GSP, TOP NOTCH and 1 other brand. The "Popular" part is TRAKMOTIVE CH8256HDX.
In the Heavy Duty grade, TRAKMOTIVE, GSP and TOP NOTCH supply 3 parts: rated for severe service. A representative part number is TRAKMOTIVE CH8256HDX.
In the Specialty - For Lifted Vehicles grade, GSP, TOP NOTCH and TRAKMOTIVE supply 3 parts: grouped under the catalog's "Specialty - For Lifted Vehicles" designation — the notes column spells out what sets them apart. A representative part number is GSP NCV10040XDP.
In the Standard Replacement grade, MOPAR, TRAKMOTIVE, GSP and 1 other brand supply 8 parts: built to original-equipment specification. A representative part number is GSP NCV10040.
CV Intermediate Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GSP Popular Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | NEX12005 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Right Outer4WD | View on Amazon |
| TRAKMOTIVE Popular Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | CH3511 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front LeftClassic Style (5 lug wheel) | View on Amazon |
| GSP Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | NEX12013 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | NewIntermediate Shaft Kit | View on Amazon |
| GSP Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | NEX12014 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | NewIntermediate Shaft Kit | View on Amazon |
| MOPAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 68399422AC | 🇺🇸 US 🇨🇦 CA | Fits Engine GEN 3215mm Front Axle, 3.21 Rear Axle Ratio | View on Amazon |
| TOP NOTCH Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | TN30229IS | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | New Intermediate ShaftBearing Included | View on Amazon |
| TOP NOTCH Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | TN30230IS | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | New Intermediate Shaft KitBearing Included | View on Amazon |
| TRAKMOTIVE Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | CH3511RK | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front RightClassic Style (5 Lug Wheel) | View on Amazon |
| USA STANDARD GEAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | USA12237 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Right Outer4WD | View on Amazon |
| USA STANDARD GEAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | USA21921 | 🇺🇸 US 🇨🇦 CA | Front Left4WD | View on Amazon |
This table covers the CV Intermediate shafts.
10 CV Intermediate Shaft parts are listed for the 2021 Ram 1500, from GSP, TRAKMOTIVE, TOP NOTCH and 2 other brands. GSP NEX12005 carries the "Popular" badge.
Differential Carrier
Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| USA STANDARD GEAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | USA26036 | 🇺🇸 US 🇨🇦 CA | Yukon Dura Grip | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| USA STANDARD GEAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | USA20145 | 🇺🇸 US | Carrier case | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 68426852AA | 🇺🇸 US 🇨🇦 CA | Fits Differential Assembly, Rear3.92 Rear Axle Ratio | View on Amazon |
This table covers the carriers that hold the differential gears in the axle.
3 Differential Carrier parts for the 2021 Ram 1500 come from 2 brands — USA STANDARD GEAR and MOPAR.
Heavy Duty: 1 part, from USA STANDARD GEAR. A representative part number is USA STANDARD GEAR USA26036.
Standard Replacement: 1 part, from USA STANDARD GEAR. A representative part number is USA STANDARD GEAR USA20145.
1 further part sits outside the graded sections, with the same engine-level match.
This group includes USA STANDARD GEAR USA26036, USA STANDARD GEAR USA20145 and MOPAR 68426852AA.
Differential Cover
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AAM Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 40087998 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with 9.25 (In) Front Axle | View on Amazon |
This table covers the Differential covers.
One part is listed for the 2021 Ram 1500 — AAM 40087998.
Differential Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 5.7L V8 | 179240 | 🇺🇸 US 🇨🇦 CA | RWDMild Hybrid EV-Gas (MHEV) | View on Amazon |
This table covers the gaskets that seal the Differential 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.
This group shows a single part: ELRING 179240.
Differential Lock Actuator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 600399 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front4WD | View on Amazon |
| SKP Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | SK600399 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front4WD | View on Amazon |
This table covers the Differential Lock 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.
2 Differential Lock Actuator parts for the 2021 Ram 1500 come from 2 brands — DORMAN and SKP.
Listed part numbers: DORMAN 600399 and SKP SK600399.
Differential Pinion Bearing / Race
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 68432346AA | 🇺🇸 US 🇨🇦 CA | Fits 3.92 Rear Axle RatioConventional Differential Rear Axle | View on Amazon |
| TIMKEN Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | M804010 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Race | View on Amazon |
| TIMKEN Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | M804049 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear InnerNon Heavy Duty Towing Package | View on Amazon |
This table covers the bearings and races on the differential pinion.
3 Differential Pinion Bearing / Race parts are listed for the 2021 Ram 1500, from TIMKEN and MOPAR.
Part numbers include MOPAR 68432346AA, TIMKEN M804010 and TIMKEN M804049.
Differential Pinion Flange
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Popular Fits: 5.7L V8, 3.0L V6 DIESEL Turbocharged | 697150 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Kit | View on Amazon |
| DORMAN Popular Fits: 5.7L V8, 3.0L V6 DIESEL Turbocharged | 697020 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear | View on Amazon |
| MOPAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 68417910AA | 🇺🇸 US 🇨🇦 CA | Fits Engine GEN 3Crew Cab Wheelbase 2 | View on Amazon |
| MOPAR Fits: 5.7L V8 | 68195911AA | 🇺🇸 US 🇨🇦 CA | Fits HEMI MDS3.21 Rear Axle Ratio or 3.92 Rear Axle Ratio | View on Amazon |
| MOPAR Fits: 5.7L V8 | 68214549AA | 🇺🇸 US 🇨🇦 CA | HEMI MDS3.21 Rear Axle Ratio or 3.92 Rear Axle Ratio | View on Amazon |
| MOPAR Fits: 5.7L V8 | 68214550AA | 🇺🇸 US 🇨🇦 CA | HEMI MDS3.21 Rear Axle Ratio or 3.92 Rear Axle Ratio | View on Amazon |
This table covers the flanges that connect the driveshaft to the differential pinion.
6 Differential Pinion Flange parts for the 2021 Ram 1500 come from 2 brands — MOPAR and DORMAN. The "Popular" part is DORMAN 697150.
Listed part numbers: DORMAN 697150, DORMAN 697020 and MOPAR 68417910AA, plus the other parts above.
Differential Pinion Nut
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTIVE GEAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | PN19 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Differential Pinion Shaft Nut | View on Amazon |
This table covers the Differential Pinion nuts.
This group shows a single part: MOTIVE GEAR PN19.
Differential Pinion Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKF Popular Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 19740A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Frontwith 8.5 Ring Gear | View on Amazon |
| DANA Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 2004101 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Spicer | View on Amazon |
| MOTIVE GEAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 68003265AA | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RearDana Advantek M186 Differential | View on Amazon |
| TIMKEN Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | SL260493 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RearBig Horn or Laramie or Laramie Longhorn or Limited or Limited Longhorn or Lone Star or Longhorn or Tradesman | View on Amazon |
| TIMKEN Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | SL260540 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | FrontBig Horn or Laramie or Laramie Longhorn or Limited or Limited Longhorn or Lone Star or Longhorn or Rebel or Tradesman | View on Amazon |
| USA STANDARD GEAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | USA30387 | 🇺🇸 US 🇨🇦 CA | 4WDwith 215mm ZF Front Differential | View on Amazon |
| WJB / INMOTION PARTS Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | WS19740A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Frontwith 8.5 Ring Gear | View on Amazon |
This table covers the seals at the differential pinion yoke. 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.
7 Differential Pinion Seal parts for the 2021 Ram 1500 come from 6 brands — TIMKEN, SKF, DANA and 3 other brands. The "Popular" part is SKF 19740A.
Listed part numbers: SKF 19740A, DANA 2004101 and MOTIVE GEAR 68003265AA, plus the other parts above.
Differential Pinion Shim
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 68435740AA | 🇺🇸 US 🇨🇦 CA | Fits 3.92 Rear Axle RatioConventional Differential Rear Axle | View on Amazon |
| MOPAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 68533844AA | 🇺🇸 US 🇨🇦 CA | Fits 3.55 REAR AXLE RATIOE-Locker Rear Axle | View on Amazon |
This table covers the Differential Pinion shims.
2 Differential Pinion Shim parts for the 2021 Ram 1500 come from MOPAR.
This group includes MOPAR 68435740AA and MOPAR 68533844AA.
Differential Rebuild Kit
Master Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| RICHMOND Popular Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | XL10471 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | ExcelMaster Kit | View on Amazon |
| DORMAN Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 697040 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear9.25" Ring Gear | View on Amazon |
| MOTIVE GEAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | R925RZFMK | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Differential Case Design Type: Chrysler 9.25 Rear (ZF 235mm)Master Bearing Kit Includes Koyo Tapered Bearings, Brush, Cover Gasket (or RTV), Crush Sleeve (or Preload Shim Pack), Marking Compound, Pinion Nut, Pinion Seal, Ring Gear Bolts | View on Amazon |
| MOTIVE GEAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | R925RZFMKT | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Master Bearing Kit Includes Timken Tapered Bearings, Brush, Cover Gasket (or RTV), Crush Sleeve (or Preload Shim Pack), Marking Compound, Pinion Nut, Pinion Seal, Ring Gear Bolts | View on Amazon |
Standard Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTIVE GEAR Popular Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | R925RZFT | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Bearing Kit Includes Timken Tapered Bearings, Brush, Cover Gasket (or RTV), Crush Sleeve (or Preload Shim Pack), Marking Compound, Pinion Nut, Pinion Seal, Ring Gear Bolts, Shims | View on Amazon |
| MOTIVE GEAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | R925RZF | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Bearing Kit Includes Koyo Tapered Bearings, Brush, Cover Gasket (or RTV), Crush Sleeve (or Preload Shim Pack), Marking Compound, Pinion Nut, Pinion Seal, Ring Gear Bolts, Shims | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTIVE GEAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | C925IKZF | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Master Bearing KitIncludes Cover Gasket (or RTV), Crush Sleeve (or Preload Shim Pack), Marking Compound, Pinion Nut, Pinion Seal, Ring Gear Bolts | View on Amazon |
This table covers kits that group the bearings, races and seals for a differential rebuild.
7 Differential Rebuild Kit parts are listed for the 2021 Ram 1500, from MOTIVE GEAR, RICHMOND and DORMAN. RICHMOND XL10471 carries the "Popular" badge.
In the Master Kit grade, MOTIVE GEAR, RICHMOND and DORMAN supply 4 parts: grouped under the catalog's "Master Kit" designation — the notes column spells out what sets them apart. A representative part number is RICHMOND XL10471.
The Standard Kit section lists 2 options from MOTIVE GEAR — grouped under the catalog's "Standard Kit" designation — the notes column spells out what sets them apart. MOTIVE GEAR R925RZFT is listed in this group.
1 ungrouped part is not assigned to a grade, with the same engine-level match.
Listed part numbers: RICHMOND XL10471, DORMAN 697040 and MOTIVE GEAR R925RZFMK, plus the other parts above.
Differential Ring and Pinion
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| RICHMOND Popular Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | CR925 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | EXCel | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTIVE GEAR Popular Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | C925 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits RearChrysler 9.25" (12 Bolt) | View on Amazon |
| AAM Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | D925355 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with 3.55 Axle Ratiowith 9.25 (In) Rear Axle | View on Amazon |
| MOPAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 68426844AA | 🇺🇸 US 🇨🇦 CA | Fits 3.92 Rear Axle RatioConventional Differential Rear Axle | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AAM Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | D925392GSKDD | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with 3.92 Axle Ratiowith 9.25 (In) Rear Axle | View on Amazon |
| DANA Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 10115607 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Spicer | View on Amazon |
This table covers the ring-and-pinion gear sets that set the axle ratio.
6 Differential Ring and Pinion parts for the 2021 Ram 1500 come from 5 brands — AAM, RICHMOND, MOTIVE GEAR and 2 other brands. The "Popular" part is RICHMOND CR925.
The Economy section lists 1 option from RICHMOND — the catalog's value-priced group. RICHMOND CR925 is listed in this group.
Standard Replacement: 3 parts, from MOTIVE GEAR, AAM and MOPAR. A representative part number is MOTIVE GEAR C925.
2 further parts sit outside the graded sections, with the same engine-level match.
Listed part numbers: RICHMOND CR925, MOTIVE GEAR C925 and AAM D925355, plus the other parts above.
Differential Ring Gear Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTIVE GEAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | RGBT002 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear DifferentialChrysler 9.25" | View on Amazon |
This table covers the Differential Ring Gear bolts.
This group shows a single part: MOTIVE GEAR RGBT002.
Differential Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 5.7L V8 | B15580 | 🇺🇸 US 🇨🇦 CA | Material: FPM (fluoride rubber)Radial Shaft Seal Design: SP | View on Amazon |
| ELRING Fits: 5.7L V8 | B17370 | 🇺🇸 US 🇨🇦 CA | Material: FPM (fluoride rubber)Radial Shaft Seal Design: BS BD | View on Amazon |
This table covers the seals at the Differential. 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.
ELRING supplies both parts for the 2021 Ram 1500.
Part numbers include ELRING B15580 and ELRING B17370.
Drive Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Popular Fits: 3.0L V6 DIESEL Turbocharged | 938376 | 🇺🇸 US 🇨🇦 CA | Length: 30.625" | View on Amazon |
| MOPAR Popular Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 68034653AD | 🇺🇸 US 🇨🇦 CA | 1-Piece | View on Amazon |
| MOPAR Popular Fits: 5.7L V8 | 68259561AA | 🇺🇸 US 🇨🇦 CA | Fits HEMI MDSHEMI MDS VVT eTorque Engine | View on Amazon |
| MOPAR Popular Fits: 5.7L V8 | 52123639AA | 🇺🇸 US 🇨🇦 CA | Fits HEMI MDSDrive Shaft, Front | View on Amazon |
| DORMAN Fits: 3.0L V6 DIESEL Turbocharged | 986461 | 🇺🇸 US 🇨🇦 CA | Length: 81.125" | View on Amazon |
| DORMAN Fits: 5.7L V8 | 938375 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Length: 35.5" | View on Amazon |
| DORMAN Fits: 5.7L V8 | 966476 | 🇺🇸 US 🇨🇦 CA | Length: 88.125" | View on Amazon |
| MOPAR Fits: 3.0L V6 DIESEL Turbocharged | 52123616AC | 🇺🇸 US 🇨🇦 CA | 2-Piece | View on Amazon |
| MOPAR Fits: 3.0L V6 DIESEL Turbocharged | 68250018AA | 🇺🇸 US 🇨🇦 CA | 1-Piece | View on Amazon |
| MOPAR Fits: 3.0L V6 DIESEL Turbocharged | 68259562AA | 🇺🇸 US 🇨🇦 CA | Fits Engine GEN 3Drive Shaft, Front | View on Amazon |
| MOPAR Fits: 3.0L V6 DIESEL Turbocharged | 68304482AA | 🇺🇸 US 🇨🇦 CA | 1-Piece | View on Amazon |
| MOPAR Fits: 5.7L V8 | 52123939AA | 🇺🇸 US 🇨🇦 CA | 2-Piece | View on Amazon |
This table covers the driveshafts that carry torque from the transmission or transfer case.
12 Drive Shaft parts are listed for the 2021 Ram 1500, from MOPAR and DORMAN. DORMAN 938376 carries the "Popular" badge.
Drive Shaft Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 13864 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Rear | View on Amazon |
This table covers the Drive Shaft bolts.
This group shows a single part: DORMAN 13864.
Drive Shaft Center Support Bearing
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DEA / MARMON RIDE CONTROL Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | A6067 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | MRC Driveline | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ANCHOR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 6139 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rearwith 40mm Inside Diameter Bearing(s) | View on Amazon |
| PIONEER Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 646139 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 1.575" BEARING I.D.6.62" MOUNTING | View on Amazon |
This table covers the Drive Shaft Center Support 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.
3 Drive Shaft Center Support Bearing parts are listed for the 2021 Ram 1500, from DEA / MARMON RIDE CONTROL, ANCHOR and PIONEER.
Economy: 1 part, from DEA / MARMON RIDE CONTROL. A representative part number is DEA / MARMON RIDE CONTROL A6067.
The Standard Replacement section: 2 options from ANCHOR and PIONEER. ANCHOR 6139 is listed in this group.
Listed part numbers: DEA / MARMON RIDE CONTROL A6067, ANCHOR 6139 and PIONEER 646139.
Drive Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 5.7L V8 | B15340 | 🇺🇸 US 🇨🇦 CA | Material: AEM (Ethylene Acrylate Rubber) | View on Amazon |
| ELRING Fits: 5.7L V8 | B15590 | 🇺🇸 US 🇨🇦 CA | RWDMild Hybrid EV-Gas (MHEV) | View on Amazon |
| ELRING Fits: 5.7L V8 | B17540 | 🇺🇸 US 🇨🇦 CA | Material: AEM (Ethylene Acrylate Rubber) | View on Amazon |
This table covers the seals at the Drive Shaft. 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.
3 Drive Shaft Seal parts for the 2021 Ram 1500 come from ELRING.
Part numbers include ELRING B15340, ELRING B15590 and ELRING B17540.
Gear Oil
SAE 75W-140
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOBIL Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 102490 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Synthetic Gear Lube Limited Slip 75W-14 0Mobil 1 Synthetic Gear Lubricant LS 75W-14 0 | View on Amazon |
| VALVOLINE Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | VV982 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Advanced Full Synthetic SAE 75W-14 0 Gear Oil1 Quart | View on Amazon |
| VALVOLINE Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 889787 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Full Synthetic SAE 75W-14 0 Gear Oil1 Quart Flex Fill | View on Amazon |
| VALVOLINE Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 887344 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Advanced Full Synthetic SAE 75W-14 0 Gear Oil1 Gallon | View on Amazon |
| VALVOLINE Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | VV981 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Advanced Full Synthetic SAE 75W-14 0 Gear Oil5 Gallon | View on Amazon |
SAE 75W-90
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOBIL Popular Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 104361 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Synthetic Gear Lube Limited Slip 75W-901 Quart | View on Amazon |
| VALVOLINE Popular Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | VV975 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Advanced Full Synthetic SAE 75W-90 Gear Oil1 Quart | View on Amazon |
| VALVOLINE Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 889785 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Full Synthetic SAE 75W-90 Gear Oil1 Quart Flex Fill | View on Amazon |
| VALVOLINE Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 882505 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Advanced Full Synthetic SAE 75W-90 Gear Oil1 Gallon | View on Amazon |
| VALVOLINE Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 723856 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Advanced Full Synthetic SAE 75W-90 Gear Oil5 Gallon | View on Amazon |
This table covers the gear oils specified for the axle or transfer case. Typical signs include a low-oil lamp, knocking, or oil that has gone thin before the next interval. Match the viscosity and spec in the notes, not just the weight on the bottle.
10 Gear Oil parts for the 2021 Ram 1500 come from 2 brands — VALVOLINE and MOBIL. The "Popular" part is MOBIL 104361.
The SAE 75W-140 section lists 5 options from VALVOLINE and MOBIL — grouped under the catalog's "SAE 75W-140" designation — the notes column spells out what sets them apart. MOBIL 102490 is listed in this group.
The SAE 75W-90 section lists 5 options from VALVOLINE and MOBIL — grouped under the catalog's "SAE 75W-90" designation — the notes column spells out what sets them apart. MOBIL 104361 is listed in this group.
Transfer Case Assembly
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 68535808AA | 🇺🇸 US 🇨🇦 CA | Fits Engine GEN 3BW 48-12 | View on Amazon |
| MOPAR Fits: 5.7L V8 | 68360094AD | 🇺🇸 US 🇨🇦 CA | Fits HEMI MDSBW 44-44 | View on Amazon |
| MOPAR Fits: 5.7L V8 | 68360097AD | 🇺🇸 US 🇨🇦 CA | Fits HEMI MDSBW 44-45 | View on Amazon |
This table covers the Transfer Case assemblies.
3 Transfer Case Assembly parts for the 2021 Ram 1500 come from MOPAR.
Listed part numbers: MOPAR 68535808AA, MOPAR 68360094AD and MOPAR 68360097AD.
Transfer Case Control Module
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 3.0L V6 DIESEL Turbocharged | 68483993AB | 🇺🇸 US 🇨🇦 CA | Elec Shift-On-The-Fly P/Time T/Case, E-Locker Rear AxleCrew Cab | View on Amazon |
| MOPAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 68483992AA | 🇺🇸 US 🇨🇦 CA | Fits Electric Shift On Demand Transfer Case, E-Locker Rear AxleSedan/Quad Cab Short Wheelbase | View on Amazon |
| MOPAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 68250127AC | 🇺🇸 US 🇨🇦 CA | Fits Elec Shift On Demand Transfer Case OR Elec Shift-on-the-Fly P/Time T/CaseSedan/Quad Cab Short Wheelbase | View on Amazon |
This table covers the Transfer Case control modules.
MOPAR supplies the 3 Transfer Case Control Module parts for the 2021 Ram 1500.
Listed part numbers: MOPAR 68483993AB, MOPAR 68483992AA and MOPAR 68250127AC.
Transfer Case Fluid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Popular Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 798153 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Dexron III / Mercon ATF1 Quart | View on Amazon |
| VALVOLINE Popular Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 773636 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Dexron III / Mercon ATF1 Gallon | View on Amazon |
| MOPAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 68089195AB | 🇺🇸 US 🇨🇦 CA | Quart | View on Amazon |
| MOPAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 68049954AD | 🇺🇸 US 🇨🇦 CA | Quart | View on Amazon |
| VAICO Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | V600430 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Transfer Case Oil DTF-1 L | View on Amazon |
| VALVOLINE Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | VV349 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Dexron III / Mercon ATF5 Gallon Pail | View on Amazon |
This table covers the fluids specified for the transfer case. Typical signs include discolored fluid, a burnt smell, or a level that keeps dropping. Use only the specification in the notes — the tables group grades because they are not interchangeable.
6 Transfer Case Fluid parts for the 2021 Ram 1500 come from 3 brands — VALVOLINE, MOPAR and VAICO. The "Popular" part is VALVOLINE 798153.
Listed part numbers: VALVOLINE 798153, VALVOLINE 773636 and MOPAR 68089195AB, plus the other parts above.
Transfer Case High / Low Clutch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 68402250AA | 🇺🇸 US 🇨🇦 CA | Fits Engine GEN 3Electric Shift On Demand Transfer Case | View on Amazon |
| MOPAR Fits: 5.7L V8 | 68145991AA | 🇺🇸 US 🇨🇦 CA | Fits HEMI MDSElec Shift-On-The-Fly P/Time T/Case | View on Amazon |
| MOPAR Fits: 5.7L V8 | 68299206AA | 🇺🇸 US 🇨🇦 CA | Fits HEMI MDSElectric Shift On Demand Transfer Case | View on Amazon |
This table covers the Transfer Case High / Low clutches. Typical signs include slip at highway speed, chatter on takeoff, or a pedal that stays low. Resurface or replace the flywheel with the clutch — a heat-checked flywheel wastes the new disc.
3 Transfer Case High / Low Clutch parts for the 2021 Ram 1500 come from MOPAR.
Listed part numbers: MOPAR 68402250AA, MOPAR 68145991AA and MOPAR 68299206AA.
Transfer Case Motor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Popular Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 600908 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 4WDCase Model BW44-44 or BW-44-45 | View on Amazon |
| MOPAR Popular Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 68402358AA | 🇺🇸 US 🇨🇦 CA | Fits Engine GEN 3Electric Shift-On-The-Fly Part Time Transfer Case | View on Amazon |
| AUTOTECNICA Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | GM0518216 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 4WDCase Model BW44-44 or BW-44-45 | View on Amazon |
| LARES Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 30350 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 4WDCase Model BW44-44 or BW-44-45 | View on Amazon |
| MOPAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 68679351AA | 🇺🇸 US 🇨🇦 CA | Fits Engine GEN 3Electric Shift On Demand Transfer Case | View on Amazon |
| SKP Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | SK600908 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 4WDCase Model BW44-44 or BW-44-45 | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | TCM155 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Finish: Metal, Plastic | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | TCM100 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Finish: All Standard | View on Amazon |
| WAI GLOBAL Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | TC1013 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 4WDCase Model BW44-44 or BW-44-45 | View on Amazon |
This table covers the Transfer Case motors. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor.
9 Transfer Case Motor parts are listed for the 2021 Ram 1500, from MOPAR, STANDARD MOTOR PRODUCTS, DORMAN and 4 other brands. DORMAN 600908 carries the "Popular" badge.
Listed part numbers: DORMAN 600908, MOPAR 68402358AA and AUTOTECNICA GM0518216, plus the other parts above.
Transfer Case Output Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 68402356AA | 🇺🇸 US 🇨🇦 CA | Fits Engine GEN 3Electric Shift-On-The-Fly Part Time Transfer Case | View on Amazon |
| MOPAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 68403025AA | 🇺🇸 US 🇨🇦 CA | Fits Engine GEN 3Electric Shift On Demand Transfer Case | View on Amazon |
| MOPAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 68722946AA | 🇺🇸 US 🇨🇦 CA | Fits FrontEngine GEN 3 | View on Amazon |
| MOPAR Fits: 5.7L V8 | 68089738AA | 🇺🇸 US 🇨🇦 CA | Fits HEMI MDSElectric Shift On Demand Transfer Case | View on Amazon |
This table covers the Transfer Case Output shafts.
MOPAR supplies the 4 Transfer Case Output Shaft parts for the 2021 Ram 1500.
This group includes MOPAR 68402356AA, MOPAR 68403025AA and MOPAR 68722946AA and the remaining parts above.
Transfer Case Shift Mode Synchronizer Hub
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 68402341AA | 🇺🇸 US 🇨🇦 CA | Fits Engine GEN 3Electric Shift-On-The-Fly Part Time Transfer Case | View on Amazon |
This table covers the Transfer Case Shift Mode Synchronizer hubs.
This group shows a single part: MOPAR 68402341AA.
Transfer Case Sprocket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 68402251AA | 🇺🇸 US 🇨🇦 CA | Fits Engine GEN 3Electric Shift On Demand Transfer Case | View on Amazon |
| MOPAR Fits: 5.7L V8 | 68089712AA | 🇺🇸 US 🇨🇦 CA | Fits HEMI MDSElectric Shift On Demand Transfer Case | View on Amazon |
| MOPAR Fits: 5.7L V8 | 68145988AA | 🇺🇸 US 🇨🇦 CA | Fits HEMI MDSElectric Shift-On-The-Fly Part Time Transfer Case | View on Amazon |
This table covers the Transfer Case sprockets.
MOPAR supplies the 3 Transfer Case Sprocket parts for the 2021 Ram 1500.
Part numbers include MOPAR 68402251AA, MOPAR 68089712AA and MOPAR 68145988AA.
Transfer Case Vent
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 5.7L V8 | 68089752AA | 🇺🇸 US 🇨🇦 CA | Fits HEMI MDSElectric Shift On Demand Transfer Case | View on Amazon |
This table covers the vents on the transfer case.
One part is listed for the 2021 Ram 1500 — MOPAR 68089752AA.
Universal Joint
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DANA Popular Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 15178X | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | SVLGreasable | View on Amazon |
| DANA Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 25178X | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Spicer SelectGreasable | View on Amazon |
Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DANA Popular Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 51350X | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Spicer Life Series (SPL)Non-Greasable | View on Amazon |
| ACDELCO Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 45U0109 | 🇺🇸 US 🇨🇦 CA | Greasable Super Strength | View on Amazon |
| ACDELCO Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 45U0123 | 🇺🇸 US 🇨🇦 CA | Non-Greasable Super Strength | View on Amazon |
| DANA Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 51350XP | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Spicer Life Series (SPL) PlusNon-Greasable | View on Amazon |
| DANA Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 513501X | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Spicer Life Series (SPL)Greasable | View on Amazon |
| DANA Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | SPL301350XC | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Spicer Life Series (SPL)Non-Greasable | View on Amazon |
| GMB Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 2150178 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Performance GradeGreasable | View on Amazon |
| MOPAR Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 68417911AA | 🇺🇸 US 🇨🇦 CA | Kit | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GMB Popular Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 2100447 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Non-Greasable1.188" Bearing Cap Diameter | View on Amazon |
| ACDELCO Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 45U0103 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| DANA Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 5178X | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | SpicerGreasable | View on Amazon |
| MOOG Fits: 3.0L V6 DIESEL Turbocharged, 5.7L V8 | 326 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Greasable | View on Amazon |
| MOPAR Fits: 5.7L V8 | 68036714AA | 🇺🇸 US 🇨🇦 CA | Kit | View on Amazon |
This table covers the U-joints in the driveshaft.
15 Universal Joint parts for the 2021 Ram 1500 come from 5 brands — DANA, ACDELCO, GMB and 2 other brands. The "Popular" part is DANA 15178X.
The Economy section: 2 options from DANA. DANA 15178X is listed in this group.
Heavy Duty: 8 parts, from DANA, ACDELCO, GMB and 1 other brand. A representative part number is DANA 51350X.
Standard Replacement: 5 parts, from GMB, ACDELCO, DANA and 2 other brands. A representative part number is GMB 2100447.
Buying Drivetrain Parts for a 2021 Ram 1500
On this vehicle, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware.
- Match the engine first. Every drivetrain part here is engine-specific; each row shows which engine(s) it fits.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the differential or transfer-case fluid with any axle or seal job while everything is already open.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Universal Joint and CV Axle .
Frequently Asked Questions
How many drivetrain parts fit the 2021 Ram 1500?
Our catalog currently lists 165 drivetrain parts for the 2021 Ram 1500 across 36 subcategories and 30 brands, covering all 4 engine options (3.0L V6 DIESEL Turbocharged, 3.6L V6, 5.7L V8 and 6.2L V8 Supercharged). Each part is matched to the engine(s) it fits.
Do drivetrain parts differ between 2021 Ram 1500 engines?
Yes. Every drivetrain part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of drivetrain problems on a 2021 Ram 1500?
Common symptoms include clicking in tight turns, a clunk when shifting between drive and reverse, vibration that builds with speed, or gear oil on the inside of a wheel. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, replace the differential or transfer-case fluid with any axle or seal job while everything is already open.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2021 Ram 1500 was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2021 Ram 1500?
First match the engine — each row shows which engine(s) the part fits. Then a torn CV boot caught early is a cheap boot kit; caught late it is a whole axle — inspect before deciding which to buy. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2021 Ram 1500
Drivetrain Parts for Other Ram 1500 Years
Switch vehicle or jump to a subcategory
Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.