2026 Ram 2500 Drivetrain Parts: OEM & Replacement (53 Parts)

53 Drivetrain parts are listed for the 2026 Ram 2500, in 19 part types, covering both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged. Each one has a brand, a manufacturer part number and notes that say where it fits.

On the 2026 Ram 2500, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. 20 parts of the 53 listed are Drive Shaft (10 parts), Axle / Differential Assembly (5 parts) and Differential Ring and Pinion (5 parts). The other 16 part types cover the remaining 33 parts.

4WD Actuator

Brand	Part Number	Markets	Notes	Buy
AAM Fits: all 2026 2500 engines	40160105	🇺🇸 US 🇨🇦 CA	with Locking Differentialwith 9.25 (In) Front Axle	View on Amazon
AAM Fits: all 2026 2500 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.

Axle / Differential Assembly

Brand	Part Number	Markets	Notes	Buy
MOPAR Fits: all 2026 2500 engines	68545146AE	🇺🇸 US 🇨🇦 CA	Fits Rear11.50 REAR AXLE, 4.10 REAR AXLE RATIO, TRU-LOK FRONT & REAR AXLES, Front Disconnecting Stabilizer Bar Fitment notes — MOPAR 68545146AE Fits: Rear11.50 REAR AXLE, 4.10 REAR AXLE RATIO, TRU-LOK FRONT & REAR AXLES, Front Disconnecting Stabilizer BarMega Cab or: Rear11.50 REAR AXLE, 4.10 REAR AXLE RATIO, TRU-LOK FRONT & REAR AXLES, Front Disconnecting Stabilizer BarRegular Cab8 Foot Bed or: Rear11.50 REAR AXLE, 4.10 REAR AXLE RATIO, TRU-LOK FRONT & REAR AXLES, Front Disconnecting Stabilizer BarCrew Cab8' Box or: Rear11.50 Rear Axle, 4.10 Rear Axle Ratio, TRU-LOK Front & Rear Axles, Front Disconnecting Stabilizer BarCrew Cab Wheelbase 2	View on Amazon
MOPAR Fits: all 2026 2500 engines	68545151AB	🇺🇸 US 🇨🇦 CA	Fits Rear11.50 Rear Axle, 4.10 Rear Axle Ratio, Anti-Spin Differential Rear Axle Fitment notes — MOPAR 68545151AB Fits: Rear11.50 Rear Axle, 4.10 Rear Axle Ratio, Anti-Spin Differential Rear AxleRegular Cab8 Foot Bed or: Rear11.50 Rear Axle, 4.10 Rear Axle Ratio, Anti-Spin Differential Rear AxleCrew Cab8' Box or: Rear11.50 Rear Axle, 4.10 Rear Axle Ratio, Anti-Spin Differential Rear AxleCrew Cab Wheelbase 2	View on Amazon
MOPAR Fits: all 2026 2500 engines	68545153AC	🇺🇸 US 🇨🇦 CA	Fits Rear11.50 Rear Axle, 3.73 Rear Axle Ratio, Anti-Spin Differential Rear Axle Fitment notes — MOPAR 68545153AC Fits: Rear11.50 Rear Axle, 3.73 Rear Axle Ratio, Anti-Spin Differential Rear AxleMega Cab or: Rear11.50 Rear Axle, 3.73 Rear Axle Ratio, Anti-Spin Differential Rear AxleRegular Cab8 Foot Bed or: Rear11.50 Rear Axle, 3.73 Rear Axle Ratio, Anti-Spin Differential Rear AxleCrew Cab8' Box or: Rear11.50 Rear Axle, 3.73 Rear Axle Ratio, Anti-Spin Differential Rear AxleCrew Cab Wheelbase 2	View on Amazon
MOPAR Fits: all 2026 2500 engines	68545295AA	🇺🇸 US 🇨🇦 CA	Fits Rear11.50 Rear Axle, 3.73 Rear Axle Ratio, Anti-Spin Differential Rear Axle, Touring Suspension Fitment notes — MOPAR 68545295AA Fits: Rear11.50 Rear Axle, 3.73 Rear Axle Ratio, Anti-Spin Differential Rear Axle, Touring SuspensionCrew Cab Crew Cab8' Box or: Rear11.50 Rear Axle, 3.73 Rear Axle Ratio, Anti-Spin Differential Rear Axle, Touring SuspensionCrew Cab Wheelbase 2 or: Rear11.50 Rear Axle, 3.73 Rear Axle Ratio, Anti-Spin Differential Rear Axle, Touring SuspensionMega Cab or: Rear11.50 Rear Axle, 3.73 Rear Axle Ratio, Anti-Spin Differential Rear Axle, Touring SuspensionRegular Cab8 Foot Bed	View on Amazon
MOPAR Fits: all 2026 2500 engines	68545297AA	🇺🇸 US 🇨🇦 CA	Fits Rear11.50 Rear Axle, 4.10 Rear Axle Ratio, Anti-Spin Differential Rear Axle, Touring Suspension Fitment notes — MOPAR 68545297AA Fits: Rear11.50 Rear Axle, 4.10 Rear Axle Ratio, Anti-Spin Differential Rear Axle, Touring SuspensionCrew Cab Crew Cab8' Box or: Rear11.50 Rear Axle, 4.10 Rear Axle Ratio, Anti-Spin Differential Rear Axle, Touring SuspensionCrew Cab Wheelbase 2 or: Rear11.50 Rear Axle, 4.10 Rear Axle Ratio, Anti-Spin Differential Rear Axle, Touring SuspensionMega Cab or: Rear11.50 Rear Axle, 4.10 Rear Axle Ratio, Anti-Spin Differential Rear Axle, Touring SuspensionRegular Cab8 Foot Bed	View on Amazon

This table covers the Axle / Differential assemblies.

Axle Housing

Brand	Part Number	Markets	Notes	Buy
MOPAR Fits: all 2026 2500 engines	68721228AB	🇺🇸 US 🇨🇦 CA	Fits Rear11.50 REAR AXLE, 4.10 REAR AXLE RATIO, TRU-LOK FRONT & REAR AXLES, Front Disconnecting Stabilizer Bar Fitment notes — MOPAR 68721228AB Fits: Rear11.50 REAR AXLE, 4.10 REAR AXLE RATIO, TRU-LOK FRONT & REAR AXLES, Front Disconnecting Stabilizer BarMega Cab or: Rear11.50 REAR AXLE, 4.10 REAR AXLE RATIO, TRU-LOK FRONT & REAR AXLES, Front Disconnecting Stabilizer BarCrew Cab8' Box or: Rear11.50 Rear Axle, 4.10 Rear Axle Ratio, TRU-LOK Front & Rear Axles, Front Disconnecting Stabilizer BarCrew Cab Wheelbase 2 or: Rear11.50 Rear Axle, 4.10 Rear Axle Ratio, TRU-LOK Front & Rear Axles, Front Disconnecting Stabilizer BarRegular Cab, 8 Foot Bed	View on Amazon
MOPAR Fits: all 2026 2500 engines	68721229AB	🇺🇸 US 🇨🇦 CA	Fits Rear11.50 Rear Axle, 3.73 Rear Axle Ratio, Electric Limited Slip Differential Rear Axle with Lock Fitment notes — MOPAR 68721229AB Fits: Rear11.50 Rear Axle, 3.73 Rear Axle Ratio, Electric Limited Slip Differential Rear Axle with LockCrew Cab8' Box or: Rear11.50 Rear Axle, 3.73 Rear Axle Ratio, Electric Limited Slip Differential Rear Axle with LockMega Cab or: Rear11.50 Rear Axle, 3.73 Rear Axle Ratio, Electric Limited Slip Differential Rear Axle with LockCrew Cab Wheelbase 2 or: Rear11.50 Rear Axle, 3.73 Rear Axle Ratio, Electric Limited Slip Differential Rear Axle with LockRegular Cab, 8 Foot Bed or: Rear11.50 Rear Axle, 4.10 Rear Axle Ratio, Electric Limited Slip Differential Rear Axle with LockCrew Cab Wheelbase 2 or: Rear11.50 Rear Axle, 4.10 Rear Axle Ratio, Electric Limited Slip Differential Rear Axle with LockCrew Cab8' Box or: Rear11.50 Rear Axle, 4.10 Rear Axle Ratio, Electric Limited Slip Differential Rear Axle with LockMega Cab or: Rear11.50 Rear Axle, 4.10 Rear Axle Ratio, Electric Limited Slip Differential Rear Axle with LockRegular Cab, 8 Foot Bed or: Rear11.50 Rear Axle, 3.42 Rear Axle Ratio,	View on Amazon

This table covers the Axle housings.

Axle Shaft

Brand	Part Number	Markets	Notes	Buy
AAM Fits: all 2026 2500 engines	40183413K	🇺🇸 US 🇨🇦 CA	Outer Shaft Length: 684.97 mm Fitment notes — AAM 40183413K Outer Shaft Length: 684.97 mm Front Leftwith 9.25 (In) Front Axle	View on Amazon
AAM Fits: all 2026 2500 engines	40104193K	🇺🇸 US 🇨🇦 CA	Kit Includes Axle Nut Fitment notes — AAM 40104193K Kit Includes Axle Nut Front Leftwith 9.25 (In) Front Axle	View on Amazon
AAM Fits: all 2026 2500 engines	40104194K	🇺🇸 US 🇨🇦 CA	Kit Includes Axle Nut Fitment notes — AAM 40104194K Kit Includes Axle Nut Front Rightwith 9.25 (In) Front Axle	View on Amazon
AAM Fits: all 2026 2500 engines	40236319	🇺🇸 US 🇨🇦 CA	Outer Shaft Length: 155 mm Fitment notes — AAM 40236319 Outer Shaft Length: 155 mm Front Leftwith 9.25 (In) Front Axle	View on Amazon

This table covers the Axle shafts.

Axle Shaft Seal

Brand	Part Number	Markets	Notes	Buy
SKF Fits: all 2026 2500 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.

Differential Carrier

Brand	Part Number	Markets	Notes	Buy
AAM Fits: all 2026 2500 engines	40260683	🇺🇸 US 🇨🇦 CA	with Electronic Differential Lockwith 9.25 (In) Front Axle	View on Amazon
MOPAR Fits: all 2026 2500 engines	68455358AA	🇺🇸 US 🇨🇦 CA	Fits Differential Assembly, Rear11.50 Rear Axle, 3.73 Rear Axle Ratio, Conventional Differential Rear Axle Fitment notes — MOPAR 68455358AA Fits: Differential Assembly, Rear11.50 Rear Axle, 3.73 Rear Axle Ratio, Conventional Differential Rear AxleCrew Cab Wheelbase 2or Differential Assembly, Rear11.50 Rear Axle, 3.73 Rear Axle Ratio, Conventional Differential Rear AxleCrew Cab8' Boxor Differential Assembly, Rear11.50 Rear Axle, 3.73 Rear Axle Ratio, Conventional Differential Rear AxleMega Cabor Differential Assembly, Rear11.50 Rear Axle, 3.73 Rear Axle Ratio, Conventional Differential Rear AxleRegular Cab8 Foot Bedor Differential Assembly, Rear11.50 Rear Axle, 3.42 Rear Axle Ratio, Conventional Differential Rear AxleCrew Cab Crew Cab8' Boxor Differential Assembly, Rear11.50 Rear Axle, 3.42 Rear Axle Ratio, Conventional Differential Rear AxleCrew Cab Wheelbase 2or Differential Assembly, Rear11.50 Rear Axle, 3.42 Rear Axle Ratio, Conventional Differential Rear AxleMega Cabor Differential Assembly, Rear11.50 Rear Axle, 3.42 Rear Axle Ratio, Conventional Differential Rear AxleRegular Cab8	View on Amazon
MOPAR Fits: all 2026 2500 engines	68643831AA	🇺🇸 US 🇨🇦 CA	Fits Differential Assembly, Front6,000 LB Front Axle, 3.73 Rear Axle Ratio, Conventional Differential Front Axle Fitment notes — MOPAR 68643831AA Fits: Differential Assembly, Front6,000 LB Front Axle, 3.73 Rear Axle Ratio, Conventional Differential Front AxleCrew Cab Wheelbase 2or Differential Assembly, Front6,000 LB Front Axle, 3.73 Rear Axle Ratio, Conventional Differential Front AxleCrew Cab8' Boxor Differential Assembly, Front6,000 LB Front Axle, 3.73 Rear Axle Ratio, Conventional Differential Front AxleMega Cabor Differential Assembly, Front6,000 LB Front Axle, 3.73 Rear Axle Ratio, Conventional Differential Front AxleRegular Cab8 Foot Bedor Differential Assembly, Front6,000 LB Front Axle, 4.10 Rear Axle Ratio, Conventional Differential Front AxleCrew Cab Wheelbase 2or Differential Assembly, Front6,000 LB Front Axle, 4.10 Rear Axle Ratio, Conventional Differential Front AxleCrew Cab8' Boxor Differential Assembly, Front6,000 LB Front Axle, 4.10 Rear Axle Ratio, Conventional Differential Front AxleMega Cabor Differential Assembly, Front6,000 LB Front Axle, 4.10 Rear Axle Ratio, Conventional	View on Amazon
MOPAR Fits: all 2026 2500 engines	68644733AA	🇺🇸 US 🇨🇦 CA	Fits Differential Assembly, Front6,000 LB Front Axle, 4.10 Rear Axle Ratio, TRU-LOK Front & Rear Axles Fitment notes — MOPAR 68644733AA Fits: Differential Assembly, Front6,000 LB Front Axle, 4.10 Rear Axle Ratio, TRU-LOK Front & Rear AxlesCrew Cab Wheelbase 2or Differential Assembly, Front6,000 LB Front Axle, 4.10 Rear Axle Ratio, TRU-LOK Front & Rear AxlesCrew Cab8' Boxor Differential Assembly, Front6,000 LB Front Axle, 4.10 Rear Axle Ratio, TRU-LOK Front & Rear AxlesMega Cabor Differential Assembly, Front6,000 LB Front Axle, 4.10 Rear Axle Ratio, TRU-LOK Front & Rear AxlesRegular Cab8 Foot Bed	View on Amazon

This table covers the carriers that hold the differential gears in the axle.

Differential Pinion Flange

Brand	Part Number	Markets	Notes	Buy
MOPAR Fits: all 2026 2500 engines	68533398AA	🇺🇸 US 🇨🇦 CA	Fits HEMI HD EngineFlat flange Yoke Fitment notes — MOPAR 68533398AA Fits: HEMI HD EngineFlat flange YokeCrew Cab Crew Cab8' Box8-SPD Auto 8HP75-LCV Transmission or: HEMI HD EngineFlat flange YokeCrew Cab Wheelbase 28-SPD Auto 8HP75-LCV Transmission or: HEMI HD EngineFlat flange YokeFront and RearCrew Cab Crew Cab8' Box8-SPD Auto 8HP75-LCV Transmission or: HEMI HD EngineFlat flange YokeFront and RearCrew Cab Wheelbase 28-SPD Auto 8HP75-LCV Transmission or: HEMI HD EngineFlat flange YokeFront and RearRegular Cab, 8 Foot Bed8-SPD Auto 8HP75-LCV Transmission or: HEMI HD EngineFlat flange YokeRegular Cab, 8 Foot Bed8-SPD Auto 8HP75-LCV Transmission Fits: Cummins engine HO EngineFlat flange YokeCrew Cab Wheelbase 28-Speed ZF Powerline Automatic Transmission or: Cummins engine HO EngineFlat flange YokeCrew Cab, 8' Box8-Speed ZF Powerline Automatic Transmission or: Cummins engine HO EngineFlat flange YokeMega Cab8-Speed ZF Powerline Automatic Transmission or: Cummins engine HO EngineFlat flange YokeRegular Cab, 8 Foot Bed8-SPD ZF Powerline Automatic Trans or: RearCummins engine HO EngineFlat flange YokeCrew Cab Crew Cab8' Box8-SPD ZF Powerline Automatic Trans or: RearCummins engine HO EngineFlat flange YokeCrew Cab Wheelbase 28-SPD ZF Powerline Automatic Trans	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	68533399AA	🇺🇸 US 🇨🇦 CA	Fits FrontCummins engine HO Engine Fitment notes — MOPAR 68533399AA Fits: FrontCummins engine HO EngineSerrated flange yokeCrew Cab Crew Cab8' Box8-SPD ZF Powerline Automatic Trans or: FrontCummins engine HO EngineSerrated flange yokeCrew Cab Wheelbase 28-SPD ZF Powerline Automatic Trans	View on Amazon

This table covers the flanges that connect the driveshaft to the differential pinion.

Differential Rebuild Kit

Brand	Part Number	Markets	Notes	Buy
USA STANDARD GEAR Fits: all 2026 2500 engines	USA12848	🇺🇸 US 🇨🇦 CA	Rear2.267 In. and 1.890 In. Pinion Bearing Journal Diameters Fitment notes — USA STANDARD GEAR USA12848 Rear2.267 In. and 1.890 In. Pinion Bearing Journal Diameterswith AAM 11.5 Rear Differentialwith Differential	View on Amazon

This table covers kits that group the bearings, races and seals for a differential rebuild.

Differential Ring and Pinion

Brand	Part Number	Markets	Notes	Buy
MOPAR Fits: all 2026 2500 engines	68644081AA	🇺🇸 US 🇨🇦 CA	Fits 6,000 lb Front Axle, 3.73 Rear Axle Ratio, Conventional Differential Front AxleMega Cabor 6,000 lb Front Axle, 3.73 Rear Axle Ratio, Conventional Differential Front Axle Fitment notes — MOPAR 68644081AA Fits: 6,000 lb Front Axle, 3.73 Rear Axle Ratio, Conventional Differential Front AxleMega Cabor 6,000 lb Front Axle, 3.73 Rear Axle Ratio, Conventional Differential Front AxleRegular Cab8 Foot Bedor 6,000 lb Front Axle, 3.73 Rear Axle Ratio, Conventional Differential Front AxleCrew Cab8' Boxor 6,000 LB Front Axle, 3.73 Rear Axle Ratio, Conventional Differential Front AxleCrew Cab Wheelbase 2	View on Amazon
MOPAR Fits: all 2026 2500 engines	68644719AA	🇺🇸 US 🇨🇦 CA	Fits 6,000 lb Front Axle, 4.10 Rear Axle Ratio, Conventional Differential Front AxleMega Cabor 6,000 lb Front Axle, 4.10 Rear Axle Ratio, Conventional Differential Front Axle Fitment notes — MOPAR 68644719AA Fits: 6,000 lb Front Axle, 4.10 Rear Axle Ratio, Conventional Differential Front AxleMega Cabor 6,000 lb Front Axle, 4.10 Rear Axle Ratio, Conventional Differential Front AxleRegular Cab8 Foot Bedor 6,000 lb Front Axle, 4.10 Rear Axle Ratio, Conventional Differential Front AxleCrew Cab8' Boxor 6,000 LB Front Axle, 4.10 Rear Axle Ratio, Conventional Differential Front AxleCrew Cab Wheelbase 2	View on Amazon
MOPAR Fits: all 2026 2500 engines	68670735AA	🇺🇸 US 🇨🇦 CA	Fits 6,000 LB Front Axle, 3.42 Rear Axle Ratio, Conventional Differential Front AxleCrew Cab Wheelbase 2or 6,000 LB Front Axle, 3.42 Rear Axle Ratio, Conventional Differential Front Axle Fitment notes — MOPAR 68670735AA Fits: 6,000 LB Front Axle, 3.42 Rear Axle Ratio, Conventional Differential Front AxleCrew Cab Wheelbase 2or 6,000 LB Front Axle, 3.42 Rear Axle Ratio, Conventional Differential Front AxleCrew Cab8' Boxor 6,000 LB Front Axle, 3.42 Rear Axle Ratio, Conventional Differential Front AxleMega Cabor 6,000 LB Front Axle, 3.42 Rear Axle Ratio, Conventional Differential Front AxleRegular Cab8 Foot Bed	View on Amazon
MOPAR Fits: all 2026 2500 engines	68709214AA	🇺🇸 US 🇨🇦 CA	Fits 11.50 Rear Axle, 3.42 Rear Axle Ratio, Anti-Spin Differential Rear AxleCrew Cab Wheelbase 2or 11.50 Rear Axle, 3.42 Rear Axle Ratio, Anti-Spin Differential Rear Axle Fitment notes — MOPAR 68709214AA Fits: 11.50 Rear Axle, 3.42 Rear Axle Ratio, Anti-Spin Differential Rear AxleCrew Cab Wheelbase 2or 11.50 Rear Axle, 3.42 Rear Axle Ratio, Anti-Spin Differential Rear AxleCrew Cab8' Boxor 11.50 Rear Axle, 3.42 Rear Axle Ratio, Anti-Spin Differential Rear AxleMega Cabor 11.50 Rear Axle, 3.42 Rear Axle Ratio, Anti-Spin Differential Rear AxleRegular Cab8 Foot Bedor 11.50 Rear Axle, 3.42 Rear Axle Ratio, Conventional Differential Rear AxleCrew Cab Wheelbase 2or 11.50 Rear Axle, 3.42 Rear Axle Ratio, Conventional Differential Rear AxleCrew Cab8' Boxor 11.50 Rear Axle, 3.42 Rear Axle Ratio, Conventional Differential Rear AxleMega Cabor 11.50 Rear Axle, 3.42 Rear Axle Ratio, Conventional Differential Rear AxleRegular Cab8 Foot Bedor 11.50 Rear Axle, 3.42 Rear Axle Ratio, Electronic Limited Slip Differential Rear Axle with LockCrew Cab Wheelbase 2or 11.50 Rear Axle, 3.42 Rear Axle Ratio, Electronic Limited Slip Differential Rear Axle with LockCrew Cab8' Boxor 11.50 Rea	View on Amazon
MOPAR Fits: all 2026 2500 engines	68721191AA	🇺🇸 US 🇨🇦 CA	Fits 11.50 Rear Axle, 3.73 Rear Axle Ratio, Anti-Spin Differential Rear AxleCrew Cab Wheelbase 2or 11.50 Rear Axle, 3.73 Rear Axle Ratio, Anti-Spin Differential Rear Axle Fitment notes — MOPAR 68721191AA Fits: 11.50 Rear Axle, 3.73 Rear Axle Ratio, Anti-Spin Differential Rear AxleCrew Cab Wheelbase 2or 11.50 Rear Axle, 3.73 Rear Axle Ratio, Anti-Spin Differential Rear AxleCrew Cab8' Boxor 11.50 Rear Axle, 3.73 Rear Axle Ratio, Anti-Spin Differential Rear AxleMega Cabor 11.50 Rear Axle, 3.73 Rear Axle Ratio, Anti-Spin Differential Rear AxleRegular Cab8 Foot Bedor 11.50 Rear Axle, 3.73 Rear Axle Ratio, Conventional Differential Rear AxleCrew Cab Wheelbase 2or 11.50 Rear Axle, 3.73 Rear Axle Ratio, Conventional Differential Rear AxleCrew Cab8' Boxor 11.50 Rear Axle, 3.73 Rear Axle Ratio, Conventional Differential Rear AxleMega Cabor 11.50 Rear Axle, 3.73 Rear Axle Ratio, Conventional Differential Rear AxleRegular Cab8 Foot Bedor 11.50 Rear Axle, 3.73 Rear Axle Ratio, Electric Limited Slip Differential Rear Axle with LockCrew Cab Wheelbase 2or 11.50 Rear Axle, 3.73 Rear Axle Ratio, Electric Limited Slip Differential Rear Axle with LockCrew Cab8' Boxor 11.50 Rear Ax	View on Amazon

This table covers the ring-and-pinion gear sets that set the axle ratio.

Drive Shaft

Brand	Part Number	Markets	Notes	Buy
MOPAR Fits: 6.4L V8	68305624AE	🇺🇸 US 🇨🇦 CA	Fits HEMI HD EngineDrive Shaft, Front Fitment notes — MOPAR 68305624AE Fits: HEMI HD EngineDrive Shaft, FrontCrew Cab Crew Cab8' Box8-SPD Auto 8HP75-LCV Transmission or: HEMI HD EngineDrive Shaft, FrontCrew Cab Wheelbase 28-SPD Auto 8HP75-LCV Transmission or: HEMI HD EngineDrive Shaft, FrontRegular Cab, 8 Foot Bed8-SPD Auto 8HP75-LCV Transmission	View on Amazon
MOPAR Fits: 6.4L V8	68305634AE	🇺🇸 US 🇨🇦 CA	1-Piece Fitment notes — MOPAR 68305634AE 1-Piece RearHEMI HD EngineDrive Shaft, RearCrew Cab Wheelbase 28-SPD Auto 8HP75-LCV Transmission	View on Amazon
MOPAR Fits: 6.4L V8	68649043AA	🇺🇸 US 🇨🇦 CA	2-Piece Fitment notes — MOPAR 68649043AA 2-Piece RearHEMI HD EngineDrive Shaft, RearRegular Cab, 8 Foot Bed8-SPD Auto 8HP75-LCV Transmission	View on Amazon
MOPAR Fits: 6.4L V8	68649044AA	🇺🇸 US 🇨🇦 CA	2-Piece Fitment notes — MOPAR 68649044AA 2-Piece RearHEMI HD EngineDrive Shaft, RearCrew Cab Wheelbase 28-SPD Auto 8HP75-LCV Transmission	View on Amazon
MOPAR Fits: 6.4L V8	68649153AA	🇺🇸 US 🇨🇦 CA	2-Piece Fitment notes — MOPAR 68649153AA 2-Piece RearHEMI HD EngineDrive Shaft, RearCrew Cab Crew Cab8' Box8-SPD Auto 8HP75-LCV Transmission	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	68312648AE	🇺🇸 US 🇨🇦 CA	Fits Cummins engine HO EngineDrive Shaft, Front Fitment notes — MOPAR 68312648AE Fits: Cummins engine HO EngineDrive Shaft, FrontCrew Cab Wheelbase 28-Speed ZF Powerline Automatic Transmission or: Cummins engine HO EngineDrive Shaft, FrontCrew Cab8' Box8-Speed ZF Powerline Automatic Transmission or: Cummins engine HO EngineDrive Shaft, FrontMega Cab8-Speed ZF Powerline Automatic Transmission or: Cummins engine HO EngineDrive Shaft, FrontRegular Cab, 8 Foot Bed8-Speed ZF Powerline Automatic Transmission	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	68649050AA	🇺🇸 US 🇨🇦 CA	2-Piece Fitment notes — MOPAR 68649050AA 2-Piece RearCummins engine HO EngineDrive Shaft, RearCrew Cab Wheelbase 28-Speed ZF Powerline Automatic Transmission	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	68649051AA	🇺🇸 US 🇨🇦 CA	2-Piece Fitment notes — MOPAR 68649051AA 2-Piece RearCummins engine HO EngineDrive Shaft, RearCrew Cab8' Box8-Speed ZF Powerline Automatic Transmission	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	68649144AB	🇺🇸 US 🇨🇦 CA	1-Piece Fitment notes — MOPAR 68649144AB 1-Piece RearCummins engine HO EngineDrive Shaft, RearRegular Cab, 8 Foot Bed8-Speed ZF Powerline Automatic Transmission	View on Amazon
MOPAR Fits: 6.7L L6 DIESEL Turbocharged	68649152AA	🇺🇸 US 🇨🇦 CA	2-Piece Fitment notes — MOPAR 68649152AA 2-Piece RearCummins engine HO EngineDrive Shaft, RearCrew Cab8' Box8-Speed ZF Powerline Automatic Transmission	View on Amazon

This table covers the driveshafts that carry torque from the transmission or transfer case.

Drive Shaft Center Support Bearing

Brand	Part Number	Markets	Notes	Buy
MOPAR Fits: 6.4L V8	68450997AA	🇺🇸 US 🇨🇦 CA	Fits HEMI HD EngineCrew Cab Crew Cab Fitment notes — MOPAR 68450997AA Fits: HEMI HD EngineCrew Cab Crew Cab8' Box8-SPD Auto 8HP75-LCV Transmission or: HEMI HD EngineCrew Cab Wheelbase 28-SPD Auto 8HP75-LCV Transmission or: HEMI HD EngineRegular Cab8 Foot Bed8-SPD Auto 8HP75-LCV Transmission	View on Amazon
MOPAR Fits: all 2026 2500 engines	68451004AA	🇺🇸 US 🇨🇦 CA	HEMI HD EngineCrew Cab Crew Cab Fitment notes — MOPAR 68451004AA HEMI HD EngineCrew Cab Crew Cab8' Box8-SPD Auto 8HP75-LCV Transmission Fits: Cummins engine HO EngineCrew Cab8' Box8-Speed ZF Powerline Automatic Transmission or: Cummins engine HO EngineCrew Cab Wheelbase 28-Speed ZF Powerline Automatic Transmission	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.

Gear Oil

Brand	Part Number	Markets	Notes	Buy
MOBIL Fits: all 2026 2500 engines	102490	🇺🇸 US 🇨🇦 CA	Synthetic Gear Lube Limited Slip 75W-14 0Mobil 1 Synthetic Gear Lubricant LS 75W-14 0 Fitment notes — MOBIL 102490 Synthetic Gear Lube Limited Slip 75W-14 0Mobil 1 Synthetic Gear Lubricant LS 75W-14 01 Quart Rear DifferentialLimited Slip Rear Differential305 AAM MTwith Dual Rear Wheels	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.

Transfer Case Assembly

Brand	Part Number	Markets	Notes	Buy
MOPAR Fits: all 2026 2500 engines	68546814AA	🇺🇸 US 🇨🇦 CA	Fits BW 44-46Elec Shift-On-The-Fly Transfer Case Fitment notes — MOPAR 68546814AA Fits: BW 44-46Elec Shift-On-The-Fly Transfer CaseCrew Cab Crew Cab8' Box8-SPD Auto 8HP75-LCV Transmission or: BW 44-46Elec Shift-On-The-Fly Transfer CaseCrew Cab Wheelbase 28-SPD Auto 8HP75-LCV Transmission or: BW 44-46Elec Shift-On-The-Fly Transfer CaseMega Cab8-SPD Auto 8HP75-LCV Transmission or: BW 44-46Elec Shift-On-The-Fly Transfer CaseRegular Cab, 8 Foot Bed8-SPD Auto 8HP75-LCV Transmission	View on Amazon
MOPAR Fits: all 2026 2500 engines	68546815AA	🇺🇸 US 🇨🇦 CA	Fits BW 44-46Elec Shift-On-The-Fly Transfer Case Fitment notes — MOPAR 68546815AA Fits: BW 44-46Elec Shift-On-The-Fly Transfer CaseCrew Cab Crew Cab8' Box8-Speed ZF Powerline Automatic Transmission or: BW 44-46Elec Shift-On-The-Fly Transfer CaseCrew Cab Wheelbase 28-Speed ZF Powerline Automatic Transmission or: BW 44-46Elec Shift-On-The-Fly Transfer CaseMega Cab8-Speed ZF Powerline Automatic Transmission or: BW 44-46Elec Shift-On-The-Fly Transfer CaseRegular Cab, 8 Foot Bed8-Speed ZF Powerline Automatic Transmission	View on Amazon

This table covers the Transfer Case assemblies.

Transfer Case Control Module

Brand	Part Number	Markets	Notes	Buy
MOPAR Fits: all 2026 2500 engines	68674979AF	🇺🇸 US 🇨🇦 CA	Fits TRU-LOK Front & Rear Axles or Elec LTD Slip Diff Rear Axle with Lock, Elec Shift-On-The-Fly Transfer CaseCrew Cab Wheelbase 2or TRU-LOK Front & Rear Axles or Elec LTD Slip Diff Rear Axle with Lock, Elec Shift-On-The-Fly Transfer Case Fitment notes — MOPAR 68674979AF Fits: TRU-LOK Front & Rear Axles or Elec LTD Slip Diff Rear Axle with Lock, Elec Shift-On-The-Fly Transfer CaseCrew Cab Wheelbase 2or TRU-LOK Front & Rear Axles or Elec LTD Slip Diff Rear Axle with Lock, Elec Shift-On-The-Fly Transfer CaseCrew Cab8' Boxor TRU-LOK Front & Rear Axles or Elec LTD Slip Diff Rear Axle with Lock, Elec Shift-On-The-Fly Transfer CaseMega Cabor TRU-LOK Front & Rear Axles or Elec LTD Slip Diff Rear Axle with Lock, Elec Shift-On-The-Fly Transfer CaseRegular Cab8 Foot Bed	View on Amazon
MOPAR Fits: all 2026 2500 engines	68674980AF	🇺🇸 US 🇨🇦 CA	Fits Anti-Spin Differential Rear Axle or Conventional Differential Rear Axle, Elec Shift-On-The-Fly Transfer CaseCrew Cab Wheelbase 2or Anti-Spin Differential Rear Axle or Conventional Differential Rear Axle, Elec Shift-On-The-Fly Transfer Case Fitment notes — MOPAR 68674980AF Fits: Anti-Spin Differential Rear Axle or Conventional Differential Rear Axle, Elec Shift-On-The-Fly Transfer CaseCrew Cab Wheelbase 2or Anti-Spin Differential Rear Axle or Conventional Differential Rear Axle, Elec Shift-On-The-Fly Transfer CaseCrew Cab8' Boxor Anti-Spin Differential Rear Axle or Conventional Differential Rear Axle, Elec Shift-On-The-Fly Transfer CaseMega Cabor Anti-Spin Differential Rear Axle or Conventional Differential Rear Axle, Elec Shift-On-The-Fly Transfer CaseRegular Cab8 Foot Bed	View on Amazon

This table covers the Transfer Case control modules.

Transfer Case High / Low Clutch

Brand	Part Number	Markets	Notes	Buy
MOPAR Fits: all 2026 2500 engines	68206417AB	🇺🇸 US 🇨🇦 CA	Fits Elec Shift-On-The-Fly Transfer CaseCrew Cab Wheelbase 2 Fitment notes — MOPAR 68206417AB Fits: Elec Shift-On-The-Fly Transfer CaseCrew Cab Wheelbase 28-SPD Auto 8HP75-LCV Transmission or: Elec Shift-On-The-Fly Transfer CaseCrew Cab Wheelbase 28-SPD ZF Powerline Automatic Trans or: Elec Shift-On-The-Fly Transfer CaseCrew Cab8' Box8-SPD Auto 8HP75-LCV Transmission or: Elec Shift-On-The-Fly Transfer CaseCrew Cab8' Box8-SPD ZF Powerline Automatic Trans or: Elec Shift-On-The-Fly Transfer CaseMega Cab8-SPD Auto 8HP75-LCV Transmission or: Elec Shift-On-The-Fly Transfer CaseMega Cab8-SPD ZF Powerline Automatic Trans or: Elec Shift-On-The-Fly Transfer CaseRegular Cab, 8 Foot Bed8-SPD Auto 8HP75-LCV Transmission or: Elec Shift-On-The-Fly Transfer CaseRegular Cab, 8 Foot Bed8-SPD ZF Powerline Automatic Trans	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.

Transfer Case Motor

Brand	Part Number	Markets	Notes	Buy
MOPAR Fits: all 2026 2500 engines	68450803AA	🇺🇸 US 🇨🇦 CA	Fits Electric Shift-On-The-Fly Transfer CaseCrew Cab Wheelbase 2 Fitment notes — MOPAR 68450803AA Fits: Electric Shift-On-The-Fly Transfer CaseCrew Cab Wheelbase 28-Speed Automatic 8HP75-LCV Transmission or: Electric Shift-On-The-Fly Transfer CaseCrew Cab Wheelbase 28-Speed ZF Powerline Automatic Transmission or: Electric Shift-On-The-Fly Transfer CaseCrew Cab8' Box8-Speed Automatic 8HP75-LCV Transmission or: Electric Shift-On-The-Fly Transfer CaseCrew Cab8' Box8-Speed ZF Powerline Automatic Transmission or: Electric Shift-On-The-Fly Transfer CaseMega Cab8-Speed Automatic 8HP75-LCV Transmission or: Electric Shift-On-The-Fly Transfer CaseMega Cab8-Speed ZF Powerline Automatic Transmission or: Electric Shift-On-The-Fly Transfer CaseRegular Cab8 Foot Bed8-Speed Automatic 8HP75-LCV Transmission or: Electric Shift-On-The-Fly Transfer CaseRegular Cab8 Foot Bed8-Speed ZF Powerline Automatic Transmission	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.

Transfer Case Sprocket

Brand	Part Number	Markets	Notes	Buy
MOPAR Fits: all 2026 2500 engines	68161362AA	🇺🇸 US 🇨🇦 CA	Fits Electronic Shift-On-The-Fly Transfer CaseCrew Cab Wheelbase 2 Fitment notes — MOPAR 68161362AA Fits: Electronic Shift-On-The-Fly Transfer CaseCrew Cab Wheelbase 28-Speed Automatic 8HP75-LCV Transmission or: Electronic Shift-On-The-Fly Transfer CaseCrew Cab Wheelbase 28-Speed ZF Powerline Automatic Transmission or: Electronic Shift-On-The-Fly Transfer CaseCrew Cab8' Box8-Speed Automatic 8HP75-LCV Transmission or: Electronic Shift-On-The-Fly Transfer CaseCrew Cab8' Box8-Speed ZF Powerline Automatic Transmission or: Electronic Shift-On-The-Fly Transfer CaseMega Cab8-Speed Automatic 8HP75-LCV Transmission or: Electronic Shift-On-The-Fly Transfer CaseMega Cab8-Speed ZF Powerline Automatic Transmission or: Electronic Shift-On-The-Fly Transfer CaseRegular Cab8 Foot Bed8-Speed Automatic 8HP75-LCV Transmission or: Electronic Shift-On-The-Fly Transfer CaseRegular Cab8 Foot Bed8-Speed ZF Powerline Automatic Transmission	View on Amazon
MOPAR Fits: all 2026 2500 engines	68161363AA	🇺🇸 US 🇨🇦 CA	Fits Electronic Shift-On-The-Fly Transfer CaseCrew Cab Wheelbase 2 Fitment notes — MOPAR 68161363AA Fits: Electronic Shift-On-The-Fly Transfer CaseCrew Cab Wheelbase 28-Speed Automatic 8HP75-LCV Transmission or: Electronic Shift-On-The-Fly Transfer CaseCrew Cab Wheelbase 28-Speed ZF Powerline Automatic Transmission or: Electronic Shift-On-The-Fly Transfer CaseCrew Cab8' Box8-Speed Automatic 8HP75-LCV Transmission or: Electronic Shift-On-The-Fly Transfer CaseCrew Cab8' Box8-Speed ZF Powerline Automatic Transmission or: Electronic Shift-On-The-Fly Transfer CaseMega Cab8-Speed Automatic 8HP75-LCV Transmission or: Electronic Shift-On-The-Fly Transfer CaseMega Cab8-Speed ZF Powerline Automatic Transmission or: Electronic Shift-On-The-Fly Transfer CaseRegular Cab8 Foot Bed8-Speed Automatic 8HP75-LCV Transmission or: Electronic Shift-On-The-Fly Transfer CaseRegular Cab8 Foot Bed8-Speed ZF Powerline Automatic Transmission	View on Amazon

This table covers the Transfer Case sprockets.

Transfer Case Vent

Brand	Part Number	Markets	Notes	Buy
MOPAR Fits: all 2026 2500 engines	68206423AA	🇺🇸 US 🇨🇦 CA	Fits Electric Shift-On-The-Fly Transfer CaseCrew Cab Wheelbase 2 Fitment notes — MOPAR 68206423AA Fits: Electric Shift-On-The-Fly Transfer CaseCrew Cab Wheelbase 28-SPD Auto 8HP75-LCV Transmission or: Electric Shift-On-The-Fly Transfer CaseCrew Cab8' Box8-SPD Auto 8HP75-LCV Transmission or: Electric Shift-On-The-Fly Transfer CaseMega Cab8-SPD Auto 8HP75-LCV Transmission or: Electric Shift-On-The-Fly Transfer CaseRegular Cab8 Foot Bed8-SPD Auto 8HP75-LCV Transmission	View on Amazon
MOPAR Fits: all 2026 2500 engines	68207382AB	🇺🇸 US 🇨🇦 CA	Fits Electric Shift-On-The-Fly Transfer CaseCrew Cab Wheelbase 2 Fitment notes — MOPAR 68207382AB Fits: Electric Shift-On-The-Fly Transfer CaseCrew Cab Wheelbase 28-Speed ZF Powerline Automatic Transmission or: Electric Shift-On-The-Fly Transfer CaseCrew Cab8' Box8-Speed ZF Powerline Automatic Transmission or: Electric Shift-On-The-Fly Transfer CaseMega Cab8-Speed ZF Powerline Automatic Transmission or: Electric Shift-On-The-Fly Transfer CaseRegular Cab8 Foot Bed8-Speed ZF Powerline Automatic Transmission	View on Amazon

This table covers the vents on the transfer case.

Universal Joint

Brand	Part Number	Markets	Notes	Buy
MOOG Fits: all 2026 2500 engines	485	🇺🇸 US 🇨🇦 CA	Super StrengthGreasable Fitment notes — MOOG 485 Super StrengthGreasable Fits: Rear Driveshaft at Rear Axle4WDwith 1 Piece Rear Driveshaft or: Rear Driveshaft at Transmission4WDwith 1 Piece Rear Driveshaft or: Rear Driveshaft At Rear AxleRWDwith 1 Piece Rear Driveshaft or: Rear Driveshaft At TransmissionRWDwith 1 Piece Rear Driveshaft or: Rear Driveshaft At Rear AxleRWDwith 2 Piece Rear Driveshaft or: Rear Driveshaft At Support BearingRWDwith 2 Piece Rear Driveshaft or: Rear Driveshaft At TransmissionRWDwith 2 Piece Rear Driveshaft or: Rear Driveshaft At Rear Axle4WDwith 2 Piece Rear Driveshaft or: Rear Driveshaft At Support Bearing4WDwith 2 Piece Rear Driveshaft or: Rear Driveshaft At Transmission4WDwith 2 Piece Rear Driveshaft	View on Amazon
MOPAR Fits: all 2026 2500 engines	68451034AB	🇺🇸 US 🇨🇦 CA	Kit Fitment notes — MOPAR 68451034AB Kit HEMI HD EngineCrew Cab Wheelbase 28-SPD Auto 8HP75-LCV Transmission Fits: Cummins engine HO EngineCrew Cab Wheelbase 28-Speed ZF Powerline Automatic Transmission or: Cummins engine HO EngineMega Cab8-Speed ZF Powerline Automatic Transmission	View on Amazon
MOPAR Fits: all 2026 2500 engines	68451103AB	🇺🇸 US 🇨🇦 CA	Kit Fitment notes — MOPAR 68451103AB Kit Fits: HEMI HD EngineCrew Cab Crew Cab8' Box8-SPD Auto 8HP75-LCV Transmission or: HEMI HD EngineCrew Cab Wheelbase 28-SPD Auto 8HP75-LCV Transmission or: HEMI HD EngineRegular Cab8 Foot Bed8-SPD Auto 8HP75-LCV Transmission Fits: Cummins engine HO EngineCrew Cab8' Box8-Speed ZF Powerline Automatic Transmission or: Cummins engine HO EngineRegular Cab, 8 Foot Bed8-Speed ZF Powerline Automatic Transmission or: Cummins engine HO EngineCrew Cab Wheelbase 28-Speed ZF Powerline Automatic Transmission	View on Amazon
MOPAR Fits: all 2026 2500 engines	68452776AC	🇺🇸 US 🇨🇦 CA	Kit Fitment notes — MOPAR 68452776AC Kit Fits: HEMI HD EngineCrew Cab Crew Cab8' Box8-SPD Auto 8HP75-LCV Transmission or: HEMI HD EngineCrew Cab Wheelbase 28-SPD Auto 8HP75-LCV Transmission or: HEMI HD EngineRegular Cab8 Foot Bed8-SPD Auto 8HP75-LCV Transmission Fits: Cummins engine HO EngineCrew Cab8' Box8-Speed ZF Powerline Automatic Transmission or: Cummins engine HO EngineRegular Cab, 8 Foot Bed8-Speed ZF Powerline Automatic Transmission or: Cummins engine HO EngineCrew Cab Wheelbase 28-Speed ZF Powerline Automatic Transmission or: Cummins engine HO EngineMega Cab8-Speed ZF Powerline Automatic Transmission	View on Amazon

This table covers the U-joints in the driveshaft.

Buying Drivetrain Parts for a 2026 Ram 2500

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 Axle / Differential Assembly .

Frequently Asked Questions

How many drivetrain parts fit the 2026 Ram 2500?

Our catalog currently lists 53 drivetrain parts for the 2026 Ram 2500 across 19 subcategories and 6 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 2026 Ram 2500 engines?

Some do. 41 parts fit every engine; the other 12 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 2026 Ram 2500?

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 2026 Ram 2500 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 2026 Ram 2500?

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 2026 Ram 2500

Belt Drive Body & Lamp Assembly Brake & Wheel Hub Cooling System Electrical Electrical Connector Electrical Switch & Relay Engine Exhaust & Emission Fuel & Air Heat & Air Conditioning Ignition Interior Steering Suspension Automatic Transmission Wheel Wiper & Washer

Drivetrain Parts for Other Ram 2500 Years

2025 Ram 2500 2024 Ram 2500 2023 Ram 2500 2022 Ram 2500 2021 Ram 2500 2020 Ram 2500 2019 Ram 2500 2018 Ram 2500 2017 Ram 2500 2016 Ram 2500 2015 Ram 2500 2014 Ram 2500

Switch vehicle or jump to a subcategory

Make Year Model Engine Part category 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.

Published by AutoFactsDB from manufacturer application data. How fitment is matched Report a fitment error