The 2025 Ram 3500 has 83 drivetrain parts with verified fitment on this page — 33 part types and 10 brands, covering both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged. Each part includes a manufacturer part number and application notes.
On the 2025 Ram 3500, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. Most of the listed parts are Drive Shaft (7 parts), Universal Joint (7 parts) and Axle Shaft (6 parts). The other 30 part types cover the remaining 63 parts.
The 2025 Ram 3500 was sold with both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged. 67 parts fit every engine; the other 16 are engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2025 Ram 3500 drivetrain parts are MOPAR (44 parts), AAM (22 parts) and ELRING (8 parts), plus 7 more brands. Quality grades include Standard Replacement and Heavy Duty.
2 parts on this 2025 Ram 3500 page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including AAM 40183413K (Axle Shaft) and GMB 2101557 (Universal Joint). Click any part number to see every vehicle that part fits.
4WD Actuator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AAM Fits: all 2025 3500 engines | 40250500 | 🇺🇸 US 🇨🇦 CA | 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.
One part is listed for the 2025 Ram 3500 — AAM 40250500.
Axle / Differential Assembly
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: all 2025 3500 engines | 68545293AA | 🇺🇸 US 🇨🇦 CA | Fits Rear11.50 Rear Axle, 3.73 Rear Axle Ratio, Anti-Spin Differential Rear Axle | View on Amazon |
| MOPAR Fits: all 2025 3500 engines | 68545294AA | 🇺🇸 US 🇨🇦 CA | Fits Rear11.50 Rear Axle, 4.10 Rear Axle Ratio, Anti-Spin Differential Rear Axle | View on Amazon |
| MOPAR Fits: all 2025 3500 engines | 68545295AA | 🇺🇸 US 🇨🇦 CA | Fits Rear11.50 Rear Axle, 3.73 Rear Axle Ratio, Anti-Spin Differential Rear Axle | View on Amazon |
| MOPAR Fits: all 2025 3500 engines | 68545296AA | 🇺🇸 US 🇨🇦 CA | Fits Rear11.50 Rear Axle, 3.73 Rear Axle Ratio, Anti-Spin Differential Rear Axle, Auto Level Rear Air Suspension | View on Amazon |
| MOPAR Fits: all 2025 3500 engines | 68545297AA | 🇺🇸 US 🇨🇦 CA | Fits Rear11.50 Rear Axle, 4.10 Rear Axle Ratio, Anti-Spin Differential Rear Axle | View on Amazon |
This table covers the Axle / Differential assemblies.
MOPAR supplies the 5 Axle / Differential Assembly parts for the 2025 Ram 3500. All of them fit every engine offered in the 2025 3500.
This group includes MOPAR 68545293AA, MOPAR 68545294AA and MOPAR 68545295AA and the remaining parts above.
Axle Housing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: all 2025 3500 engines | 68460121AA | 🇺🇸 US 🇨🇦 CA | Fits Rear12.0" Rear Axle, 3.42 Rear Axle Ratio, Anti-Spin Differential Rear Axle | View on Amazon |
| MOPAR Fits: all 2025 3500 engines | 68460122AA | 🇺🇸 US 🇨🇦 CA | Fits Rear226MM Rear Axle, 4.10 Rear Axle Ratio, Anti-Spin Differential Rear Axle | View on Amazon |
| MOPAR Fits: all 2025 3500 engines | 68460123AB | 🇺🇸 US 🇨🇦 CA | Fits Rear226MM Rear Axle, 4.10 Rear Axle Ratio, Anti-Spin Differential Rear Axle, Auto Level Rear Air Suspension | View on Amazon |
| MOPAR Fits: all 2025 3500 engines | 68460124AA | 🇺🇸 US 🇨🇦 CA | Fits Rear226mm Rear Axle, 4.10 Rear Axle Ratio, Anti-Spin Differential Rear Axle | View on Amazon |
| MOPAR Fits: all 2025 3500 engines | 68460125AA | 🇺🇸 US 🇨🇦 CA | Fits Rear12.0" Rear Axle, 3.42 Rear Axle Ratio, Anti-Spin Differential Rear Axle | View on Amazon |
This table covers the Axle housings.
5 Axle Housing parts for the 2025 Ram 3500 come from MOPAR. Every part fits both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged.
Part numbers include MOPAR 68460121AA, MOPAR 68460122AA and MOPAR 68460123AB, among others listed above.
Axle Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AAM Popular Fits: all 2025 3500 engines | 40183413K | 🇺🇸 US 🇨🇦 CA | Outer Shaft Length: 684.97 mm | View on Amazon |
| AAM Fits: all 2025 3500 engines | 40104193K | 🇺🇸 US 🇨🇦 CA | Kit Includes Axle Nut | View on Amazon |
| AAM Fits: all 2025 3500 engines | 40104194K | 🇺🇸 US 🇨🇦 CA | Kit Includes Axle Nut | View on Amazon |
| AAM Fits: all 2025 3500 engines | 40217448 | 🇺🇸 US 🇨🇦 CA | Front RightAxle Nut Not Included | View on Amazon |
| AAM Fits: all 2025 3500 engines | 40219359 | 🇺🇸 US 🇨🇦 CA | Rear1020.5 (mm) Length | View on Amazon |
| MOPAR Fits: all 2025 3500 engines | 68529032AA | 🇺🇸 US 🇨🇦 CA | Fits Rear226MM Rear Axle, 4.10 Rear Axle Ratio, Anti-Spin Differential Rear Axle | View on Amazon |
This table covers the Axle shafts.
6 Axle Shaft parts are listed for the 2025 Ram 3500, from AAM and MOPAR. AAM 40183413K carries the "Popular" badge. All of them fit every engine offered in the 2025 3500.
This group includes AAM 40183413K, AAM 40104193K and AAM 40104194K and the remaining parts above.
Axle Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AAM Fits: all 2025 3500 engines | 40173291 | 🇺🇸 US 🇨🇦 CA | Rear Outerwith 11.5 (In) Rear Axle | View on Amazon |
| ELRING Fits: 6.7L L6 DIESEL Turbocharged | B15250 | 🇺🇸 US 🇨🇦 CA | Material: ACM (Polyacrylate) | View on Amazon |
| SKF Fits: all 2025 3500 engines | 14474 | 🇺🇸 US 🇨🇦 CA | Front4WD | 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.
3 Axle Shaft Seal parts for the 2025 Ram 3500 come from 3 brands — AAM, ELRING and SKF. 2 parts fit every engine; the other 1 is engine-specific.
This group includes AAM 40173291, ELRING B15250 and SKF 14474.
Differential Bearing Adjuster Nut Lock Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AAM Fits: all 2025 3500 engines | 40181318 | 🇺🇸 US 🇨🇦 CA | Fits with 11.5 (In) Rear Axl | View on Amazon |
This table covers the Differential Bearing Adjuster Nut Lock bolts.
One part is listed for the 2025 Ram 3500 — AAM 40181318.
Differential Cover
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AAM Fits: all 2025 3500 engines | 40087998 | 🇺🇸 US 🇨🇦 CA | with 9.25 (In) Front Axle | View on Amazon |
This table covers the Differential covers.
One part is listed for the 2025 Ram 3500 — AAM 40087998.
Differential Cover Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AAM Fits: all 2025 3500 engines | 4000216910 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| AAM Fits: all 2025 3500 engines | 40002169 | 🇺🇸 US 🇨🇦 CA | with 9.25 (In) Front Axle | View on Amazon |
This table covers the Differential Cover bolts.
2 Differential Cover Bolt parts for the 2025 Ram 3500 come from AAM. Every part fits both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged.
Part numbers include AAM 4000216910 and AAM 40002169.
Differential Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AAM Fits: all 2025 3500 engines | 40270018 | 🇺🇸 US 🇨🇦 CA | Fits with 11.5 (In) Rear Axl | View on Amazon |
| ELRING Fits: 6.7L L6 DIESEL Turbocharged | B15210 | 🇺🇸 US 🇨🇦 CA | Material: AEM (Ethylene Acrylate Rubber) | View on Amazon |
| ELRING Fits: 6.7L L6 DIESEL Turbocharged | B15230 | 🇺🇸 US 🇨🇦 CA | 4WDCab & Chassis | 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.
3 Differential Cover Gasket parts for the 2025 Ram 3500 come from 2 brands — ELRING and AAM. 1 part fits every engine; the other 2 are engine-specific.
Listed part numbers: AAM 40270018, ELRING B15210 and ELRING B15230.
Differential Crush Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AAM Fits: all 2025 3500 engines | 40179724 | 🇺🇸 US 🇨🇦 CA | with 12 (In) Rear Axle | View on Amazon |
This table covers the Differential Crush sleeves.
One part is listed for the 2025 Ram 3500 — AAM 40179724.
Differential Pinion Bearing / Race
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AAM Fits: all 2025 3500 engines | 40195031 | 🇺🇸 US 🇨🇦 CA | Inside Diameter: 57.55 mm | View on Amazon |
| AAM Fits: all 2025 3500 engines | 40265294 | 🇺🇸 US 🇨🇦 CA | with 11.5 (In) Rear Axle | View on Amazon |
| AAM Fits: all 2025 3500 engines | 40265297 | 🇺🇸 US 🇨🇦 CA | Inside Diameter: 57.55 | View on Amazon |
This table covers the bearings and races on the differential pinion.
AAM supplies the 3 Differential Pinion Bearing / Race parts for the 2025 Ram 3500. All of them fit every engine offered in the 2025 3500.
Part numbers include AAM 40195031, AAM 40265294 and AAM 40265297.
Differential Pinion Flange
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: 6.4L V8 | 68450930AC | 🇺🇸 US 🇨🇦 CA | Fits HEMI Upgrade HD EngineFlat flange yoke with damper | View on Amazon |
| MOPAR Fits: all 2025 3500 engines | 68533399AA | 🇺🇸 US 🇨🇦 CA | Fits Cab ChassisHEMI Upgrade HD Engine | View on Amazon |
| MOPAR Fits: 6.7L L6 DIESEL Turbocharged | 68450961AC | 🇺🇸 US 🇨🇦 CA | Fits Cummins engine HO EngineSerrated flange yoke with damper Dual Rear Wheels | View on Amazon |
| MOPAR Fits: 6.7L L6 DIESEL Turbocharged | 68533398AA | 🇺🇸 US 🇨🇦 CA | Fits Cab ChassisCummins engine | View on Amazon |
This table covers the flanges that connect the driveshaft to the differential pinion.
4 Differential Pinion Flange parts for the 2025 Ram 3500 come from MOPAR. 1 part fits every engine; the other 3 are engine-specific.
Listed part numbers: MOPAR 68450930AC, MOPAR 68533399AA and MOPAR 68450961AC, plus the other parts above.
Differential Pinion Nut
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AAM Fits: all 2025 3500 engines | 40169206 | 🇺🇸 US 🇨🇦 CA | Fits with 11.5 (In) Rear AxleDrive Pinion Nutor with 12.0 (In) Rear Axle | View on Amazon |
This table covers the Differential Pinion nuts.
This group shows a single part: AAM 40169206.
Differential Pinion Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AAM Fits: all 2025 3500 engines | 26060975 | 🇺🇸 US 🇨🇦 CA | FrontSleeve To adapt standard yoke To Use late model triple Lip pinion seal | View on Amazon |
This table covers the wear sleeves used to restore a grooved pinion seal surface.
This group shows a single part: AAM 26060975.
Differential Rebuild Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| USA STANDARD GEAR Fits: all 2025 3500 engines | USA12848 | 🇺🇸 US 🇨🇦 CA | Rear2.267 In. and 1.890 In. Pinion Bearing Journal Diameters | View on Amazon |
This table covers kits that group the bearings, races and seals for a differential rebuild.
One part is listed for the 2025 Ram 3500 — USA STANDARD GEAR USA12848.
Differential Ring and Pinion
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AAM Fits: all 2025 3500 engines | D925410GSK | 🇺🇸 US 🇨🇦 CA | Frontwith 4.10 Axle Ratio | View on Amazon |
| MOPAR Fits: all 2025 3500 engines | 68455440AC | 🇺🇸 US 🇨🇦 CA | Fits 226mm Rear Axle, 3.42 Rear Axle Ratio, Anti-Spin Differential Rear AxleExc. Auto Level Rear Air Suspension | View on Amazon |
| MOPAR Fits: all 2025 3500 engines | 68455780AB | 🇺🇸 US 🇨🇦 CA | Fits 226mm Rear Axle, 4.10 Rear Axle Ratio, Anti-Spin Differential Rear Axle, Auto Level Rear Air SuspensionCrew Cab Crew Cab | View on Amazon |
| MOPAR Fits: all 2025 3500 engines | 68644081AA | 🇺🇸 US 🇨🇦 CA | Fits 205MM HD Front Axle, 3.73 Rear Axle Ratio, Conventional Differential Front AxleMega Cab | View on Amazon |
| MOPAR Fits: all 2025 3500 engines | 68644719AA | 🇺🇸 US 🇨🇦 CA | Fits 6,000 lb Front Axle, 4.10 Rear Axle Ratio, Conventional Differential Front AxleMega Cab | View on Amazon |
This table covers the ring-and-pinion gear sets that set the axle ratio.
5 Differential Ring and Pinion parts for the 2025 Ram 3500 come from 2 brands — MOPAR and AAM. Every part fits both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged.
Listed part numbers: AAM D925410GSK, MOPAR 68455440AC and MOPAR 68455780AB, plus the other parts above.
Differential Ring Gear Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AAM Fits: all 2025 3500 engines | 40022812 | 🇺🇸 US 🇨🇦 CA | M14 X 1.5 X 38 - 6 PT Hex with Adhesivewith 11.5 (In) Rear Axle | View on Amazon |
This table covers the Differential Ring Gear bolts.
This group shows a single part: AAM 40022812.
Differential Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 6.7L L6 DIESEL Turbocharged | B15240 | 🇺🇸 US 🇨🇦 CA | 4WDCab & Chassis | 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.
One part is listed for the 2025 Ram 3500 — ELRING B15240.
Drive Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: all 2025 3500 engines | 68305624AE | 🇺🇸 US 🇨🇦 CA | Fits Cab ChassisDrive Shaft, Front | View on Amazon |
| MOPAR Fits: all 2025 3500 engines | 68312638AE | 🇺🇸 US 🇨🇦 CA | Fits Cab ChassisDrive Shaft, Front | View on Amazon |
| MOPAR Fits: all 2025 3500 engines | 68312648AE | 🇺🇸 US 🇨🇦 CA | Fits Cab ChassisDrive Shaft, Front | View on Amazon |
| MOPAR Fits: 6.4L V8 | 68649046AA | 🇺🇸 US 🇨🇦 CA | 2-Piece | View on Amazon |
| MOPAR Fits: 6.4L V8 | 68649047AA | 🇺🇸 US 🇨🇦 CA | 2-Piece | View on Amazon |
| MOPAR Fits: 6.7L L6 DIESEL Turbocharged | 68368120AE | 🇺🇸 US 🇨🇦 CA | Fits Cummins engine HO EngineDrive Shaft, Front | View on Amazon |
| MOPAR Fits: 6.7L L6 DIESEL Turbocharged | 68649057AC | 🇺🇸 US 🇨🇦 CA | 2-Piece | View on Amazon |
This table covers the driveshafts that carry torque from the transmission or transfer case.
MOPAR supplies the 7 Drive Shaft parts for the 2025 Ram 3500. 3 parts fit every engine; the other 4 are engine-specific.
Part numbers include MOPAR 68305624AE, MOPAR 68312638AE and MOPAR 68312648AE, among others listed above.
Drive Shaft Center Support Bearing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: all 2025 3500 engines | 68450997AA | 🇺🇸 US 🇨🇦 CA | Fits HEMI Upgrade HD EngineRegular Cab | View on Amazon |
| MOPAR Fits: all 2025 3500 engines | 68451004AA | 🇺🇸 US 🇨🇦 CA | HEMI Upgrade HD EngineCrew Cab | 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.
MOPAR supplies both parts for the 2025 Ram 3500. All of them fit every engine offered in the 2025 3500.
Part numbers include MOPAR 68450997AA and MOPAR 68451004AA.
Drive Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AAM Fits: all 2025 3500 engines | 40201742 | 🇺🇸 US 🇨🇦 CA | Frontwith 9.25 (In) Front Axle | 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.
This group shows a single part: AAM 40201742.
Drive Shaft Slip Yoke
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AAM Fits: all 2025 3500 engines | 40189966 | 🇺🇸 US 🇨🇦 CA | Rear Driveshaft At Transfer CaseCrew Cab Pickup or Standard Cab Pickup | View on Amazon |
This table covers the Drive Shaft Slip yokes.
One part is listed for the 2025 Ram 3500 — AAM 40189966.
Gear Oil
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOBIL Fits: all 2025 3500 engines | 102490 | 🇺🇸 US 🇨🇦 CA | Synthetic Gear Lube Limited Slip 75W-14 0Mobil 1 Synthetic Gear Lubricant LS 75W-14 0 | 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.
This group shows a single part: MOBIL 102490.
Transfer Case Assembly
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: all 2025 3500 engines | 68546808AB | 🇺🇸 US 🇨🇦 CA | Fits BW 44-46Electric Shift-On-The-Fly Transfer Case, Dual Rear Wheels | View on Amazon |
| MOPAR Fits: all 2025 3500 engines | 68546814AA | 🇺🇸 US 🇨🇦 CA | Fits BW 44-46Elec Shift-On-The-Fly Transfer Case | View on Amazon |
| MOPAR Fits: all 2025 3500 engines | 68546815AA | 🇺🇸 US 🇨🇦 CA | Fits BW 44-46Elec Shift-On-The-Fly Transfer Case | View on Amazon |
| MOPAR Fits: all 2025 3500 engines | 68546816AA | 🇺🇸 US 🇨🇦 CA | Fits Cab ChassisBW 44-46 | View on Amazon |
| MOPAR Fits: all 2025 3500 engines | 68546818AA | 🇺🇸 US 🇨🇦 CA | Fits Cab ChassisBW 44-46 | View on Amazon |
This table covers the Transfer Case assemblies.
5 Transfer Case Assembly parts for the 2025 Ram 3500 come from MOPAR. Every part fits both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged.
Listed part numbers: MOPAR 68546808AB, MOPAR 68546814AA and MOPAR 68546815AA, plus the other parts above.
Transfer Case Control Module
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: all 2025 3500 engines | 68674980AF | 🇺🇸 US 🇨🇦 CA | Fits Cab ChassisElec Shift-On-The-Fly Transfer Case, Anti-Spin Differential Rear Axle | View on Amazon |
This table covers the Transfer Case control modules.
One part is listed for the 2025 Ram 3500 — MOPAR 68674980AF.
Transfer Case Fluid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: all 2025 3500 engines | 68089195AB | 🇺🇸 US 🇨🇦 CA | Quart | View on Amazon |
| MOPAR Fits: all 2025 3500 engines | 68089195AA | 🇺🇸 US 🇨🇦 CA | Quart | 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.
2 Transfer Case Fluid parts for the 2025 Ram 3500 come from MOPAR. Every part fits both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged.
Listed part numbers: MOPAR 68089195AB and MOPAR 68089195AA.
Transfer Case High / Low Clutch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: all 2025 3500 engines | 68450063AA | 🇺🇸 US 🇨🇦 CA | Fits Elec Shift-On-The-Fly Transfer Case, Dual Rear WheelsCrew Cab Wheelbase 2 | 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.
This group shows a single part: MOPAR 68450063AA.
Transfer Case Input Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 6.7L L6 DIESEL Turbocharged | B15440 | 🇺🇸 US 🇨🇦 CA | 4WDCab & Chassis | View on Amazon |
This table covers the seals at the Transfer Case Input 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.
One part is listed for the 2025 Ram 3500 — ELRING B15440.
Transfer Case Motor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: all 2025 3500 engines | 68450191AA | 🇺🇸 US 🇨🇦 CA | Fits Electric Shift-On-The-Fly Transfer Case, Dual Rear WheelsCrew Cab Wheelbase 2 | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: all 2025 3500 engines | TCM156 | 🇺🇸 US 🇨🇦 CA | 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.
2 Transfer Case Motor parts are listed for the 2025 Ram 3500, from MOPAR and STANDARD MOTOR PRODUCTS. All of them fit every engine offered in the 2025 3500.
Listed part numbers: MOPAR 68450191AA and STANDARD MOTOR PRODUCTS TCM156.
Transfer Case Shift Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING Fits: 6.7L L6 DIESEL Turbocharged | B15430 | 🇺🇸 US 🇨🇦 CA | Material: ACM (Polyacrylate) | View on Amazon |
| ELRING Fits: 6.7L L6 DIESEL Turbocharged | B15450 | 🇺🇸 US 🇨🇦 CA | Material: AEM (Ethylene Acrylate Rubber) | View on Amazon |
| ELRING Fits: 6.7L L6 DIESEL Turbocharged | B15480 | 🇺🇸 US 🇨🇦 CA | Material: FPM (fluoro rubber)/ NBR (nitrile-butadien-rubber) | View on Amazon |
This table covers the seals at the Transfer Case Shift 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.
ELRING supplies the 3 Transfer Case Shift Shaft Seal parts for the 2025 Ram 3500.
Part numbers include ELRING B15430, ELRING B15450 and ELRING B15480.
Transfer Case Sprocket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: all 2025 3500 engines | 68449235AA | 🇺🇸 US 🇨🇦 CA | Fits Elec Shift-On-The-Fly Transfer Case, Dual Rear WheelsCrew Cab Wheelbase 2 | View on Amazon |
| MOPAR Fits: all 2025 3500 engines | 68449236AA | 🇺🇸 US 🇨🇦 CA | Fits Elec Shift-On-The-Fly Transfer Case, Dual Rear WheelsCrew Cab Wheelbase 2 | View on Amazon |
This table covers the Transfer Case sprockets.
MOPAR supplies both parts for the 2025 Ram 3500. All of them fit every engine offered in the 2025 3500.
Part numbers include MOPAR 68449235AA and MOPAR 68449236AA.
Transfer Case Vent
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: all 2025 3500 engines | 68206423AA | 🇺🇸 US 🇨🇦 CA | Fits Cab ChassisElectric Shift-On-The-Fly Transfer Case | View on Amazon |
| MOPAR Fits: all 2025 3500 engines | 68207382AB | 🇺🇸 US 🇨🇦 CA | Fits Electric Shift-On-The-Fly Transfer Case, Dual Rear WheelsCrew Cab Wheelbase 2 | View on Amazon |
This table covers the vents on the transfer case.
MOPAR supplies both parts for the 2025 Ram 3500. All of them fit every engine offered in the 2025 3500.
Part numbers include MOPAR 68206423AA and MOPAR 68207382AB.
Universal Joint
Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOOG Fits: all 2025 3500 engines | 485 | 🇺🇸 US 🇨🇦 CA | Super StrengthGreasable | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GMB Popular Fits: all 2025 3500 engines | 2101557 | 🇺🇸 US 🇨🇦 CA | GreasableGrease Fitting in Cross | View on Amazon |
| FVP Fits: all 2025 3500 engines | 2101557 | 🇺🇸 US 🇨🇦 CA | GreasableGrease Fitting in Cross | View on Amazon |
| FVP Fits: all 2025 3500 engines | 2141557 | 🇺🇸 US 🇨🇦 CA | Non-Greasable | View on Amazon |
| GMB Fits: all 2025 3500 engines | 2141557 | 🇺🇸 US 🇨🇦 CA | Non-Greasable | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOPAR Fits: all 2025 3500 engines | 68451034AB | 🇺🇸 US 🇨🇦 CA | Kit | View on Amazon |
| MOPAR Fits: 6.4L V8 | 68452776AC | 🇺🇸 US 🇨🇦 CA | Kit | View on Amazon |
This table covers the U-joints in the driveshaft.
7 Universal Joint parts for the 2025 Ram 3500 come from 4 brands — GMB, FVP, MOPAR and 1 other brand. The "Popular" part is GMB 2101557. 6 parts fit every engine; the other 1 is engine-specific.
In the Heavy Duty grade, MOOG supplies 1 part: rated for severe service. A representative part number is MOOG 485.
In the Standard Replacement grade, GMB and FVP supply 4 parts: built to original-equipment specification. A representative part number is GMB 2101557.
2 further parts sit outside the graded sections, with the same engine-level match.
Listed part numbers: GMB 2101557 and MOOG 485, plus the other parts above.
Buying Drivetrain Parts for a 2025 Ram 3500
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. Some drivetrain parts fit every engine; others are 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: Drive Shaft and Universal Joint .
Frequently Asked Questions
How many drivetrain parts fit the 2025 Ram 3500?
Our catalog currently lists 83 drivetrain parts for the 2025 Ram 3500 across 33 subcategories and 10 brands, covering both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged. Each part is matched to the engine(s) it fits.
Do drivetrain parts differ between 2025 Ram 3500 engines?
Some do. 67 parts fit every engine; the other 16 are engine-specific. Each row (and the filter at the top) shows which. 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 2025 Ram 3500?
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 2025 Ram 3500 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 2025 Ram 3500?
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 2025 Ram 3500
Drivetrain Parts for Other Ram 3500 Years
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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.