2018 Ram 2500 Transmission — Variants, Fitment & Tag Check

5 transmission variants are listed for the 2018 Ram 2500. Compare attributes, check the tag on your unit, and find the one that fits.

More than one variant is listed. Please verify the tag on your unit before ordering. A VIN shows the part your vehicle was built with, but if it has been replaced, the tag on the unit in your vehicle may be different, and the tag on your unit is what determines fitment.

What tells the variants apart

The attributes below differ between variants. Find the matching value on your unit's tag or in your vehicle's records.

Variant M150338

G56 Manual Transmission Assembly

Illustrative photo of M150338
Illustrative images — not the exact unit listed

In our own completed orders for this vehicle and part, M150338 appeared in 4 of 12 orders (33.3%).

Brackets IncludedNo
California Proposition 65WARNING: Cancer and Reproductive Harm
Fluid TypePZL-ATF+4
Gaskets IncludedNo
Output Type4WD
Shifter IncludedNo
Switches IncludedNo
Transmission FamilyG56
Transmission Speeds6-Speed

Interchange numbers (vendor)

OEM cross-references

None listed.

Hollander numbers

Variant M150339

G56 Manual Transmission Assembly

Illustrative photo of M150339
Illustrative images — not the exact unit listed
Brackets IncludedNo
California Proposition 65WARNING: Cancer and Reproductive Harm
Fluid TypePZL-ATF+4
Gaskets IncludedNo
Output TypeRWD
Shifter IncludedNo
Switches IncludedNo
Transmission FamilyG56
Transmission Speeds6-Speed

Interchange numbers (vendor)

OEM cross-references

None listed.

Hollander numbers

Variant T151509

68RFE Automatic Transmission Assembly

Illustrative photo of T151509 Illustrative photo of T151509 Illustrative photo of T151509 Illustrative photo of T151509
Illustrative images — not the exact unit listed
Average R&R5.4
Bell Housing IncludedYes
Cooler IncludedNo
Cooler Replacement RequiredNo
Extended WarrantyYes
Fluid TypePZL-ATF+4
LockupYes
Pan Bolts15
Premium LaborYes
Pressure Control SwitchYes
ProductVideoURLhttps://etereman.wistia.com/medias/v5zwgifdi4
Radiator IncludedNo
Radiator Replacement RequiredNo
Speed Sensor IncludedYes
StarterStarter Pocket 3 O'clock Starter Pocket
Tail HousingWith
Thermal Bypass Valve IncludedYes
Torque Converter IncludedYes
Transmission Family68RFE
Transmission Fluid17
Transmission Speeds6-Speed

Interchange numbers (vendor)

OEM cross-references

None listed.

Hollander numbers

Variant T151510

68RFE Automatic Transmission Assembly

Illustrative photo of T151510 Illustrative photo of T151510 Illustrative photo of T151510 Illustrative photo of T151510
Illustrative images — not the exact unit listed
Average R&R5.4
Bell Housing IncludedYes
Cooler IncludedNo
Cooler Replacement RequiredNo
Extended WarrantyYes
Fluid TypePZL-ATF+4
LockupYes
Pan Bolts15
Premium LaborYes
Pressure Control SwitchYes
ProductVideoURLhttps://etereman.wistia.com/medias/v5zwgifdi4
Radiator IncludedNo
Radiator Replacement RequiredNo
Speed Sensor IncludedYes
StarterStarter Pocket 3 O'clock Starter Pocket
Tail HousingWith
Thermal Bypass Valve IncludedYes
Torque Converter IncludedYes
Transmission Family68RFE
Transmission Fluid17
Transmission Speeds6-Speed

Interchange numbers (vendor)

OEM cross-references

None listed.

Hollander numbers

Variant T151554

66RFE Automatic Transmission Assembly

Illustrative photo of T151554 Illustrative photo of T151554 Illustrative photo of T151554 Illustrative photo of T151554
Illustrative images — not the exact unit listed
Average R&R5.6
Bell HousingGas
Bell Housing IncludedYes
Casing ColorGray
Connector TypeGray or White Connector
Cooler IncludedNo
Cooler Replacement RequiredNo
Dyno TestedYes
Extended WarrantyYes
Flex Plate IncludedNo
Fluid IncludedN
Fluid TypePZL-ATF+4
Forward Shift Position Quantity6
Grade TypeStandard Replacement
Lock UpYes
LockupYes
Pan Bolts15
Pan Mounting Hole Quantity15
Premium LaborYes
Pressure Control SwitchOn the case
Pressure Switch In CaseYes
Pressure Switch IncludedNo
ProductVideoURLhttps://etereman.wistia.com/medias/v5zwgifdi4
Radiator IncludedNo
Radiator Replacement RequiredNo
Remove And Replace Time8
Reverse Shift Position Quantity1
Sensor TypeMagnetic Pickup
Shift TypeCable
Speedometer TypeElectronic
Tail HousingWith
Throttle CableNo
Torque Converter IncludedYes
Transfer Case Assembly IncludedNo
Transmission Extension Housing IncludedYes
Transmission Family66RFE
Transmission Fluid17
Transmission Fluid Capacity12 Qt
Transmission Fluid IncludedNo
Transmission Fluid TypeATF+4
Transmission Manufacturer Code66RFE
Transmission Speeds6-Speed

Interchange numbers (vendor)

OEM cross-references

None listed.

Hollander numbers

Frequently asked questions

What transmission fits a 2018 Ram 2500?

5 variants are listed: M150338, M150339, T151509, T151510, T151554. Which one fits depends on the tag on your unit.

How do I know which variant fits my 2018 Ram 2500?

Check the tag on your unit before ordering. Please verify the tag on your unit before ordering. A VIN shows the part your vehicle was built with, but if it has been replaced, the tag on the unit in your vehicle may be different, and the tag on your unit is what determines fitment.

What tells the transmission variants apart for a 2018 Ram 2500?

The attributes that differ between variants are: Average R&R, Output Type, Pressure Control Switch, Transmission Family.

Which variant shows up most in your own orders for a 2018 Ram 2500?

M150338 appeared in 4 of 12 completed orders (33.3%).

Fitment data from the ETE catalog, our own completed orders, and Hollander interchange data. Numbering systems are listed separately and never merged. When a record lists more than one variant, the tag on your unit is the final word on fitment.