2026 Ram 2500 Automatic Transmission Parts

This table covers the replacement filters for this application — the table heading and notes say which circuit. Typical signs include restricted flow — long cranking, weak airflow, or dirty fluid after a short interval. Seat the new filter so it cannot bypass, and use the grade the notes call for. Read more

2 Filter parts for the 2026 Ram 2500 come from WIX.

Listed part numbers: WIX 58846 and WIX 58843.

This table covers the flexplates that connect the crankshaft to the torque converter. Read more

One part is listed for the 2026 Ram 2500 — MOPAR 68444379AA.

This table covers the heat exchangers that cool transmission fluid. Typical signs include fluid that overheats, a leak at the cooler fittings, or milky fluid that says coolant and ATF have mixed. Flush the lines when you replace a cooler. Cross-contamination is how a small leak becomes a transmission job. Read more

4 Fluid Cooler parts for the 2026 Ram 2500 come from 3 brands — MOPAR, SKP and TYC.

Listed part numbers: MOPAR 68322494AC, MOPAR 68322497AD and SKP SK19158, plus the other parts above.

This table covers the Fluid Cooler Line hoses. Typical signs include swelling, cracks, a soft spot, or a leak at a clamp. Replace adjacent aged hoses while the system is drained — they share the same heat cycle. Read more

3 Fluid Cooler Line / Hose parts for the 2026 Ram 2500 come from MOPAR.

This group includes MOPAR 68677878AA, MOPAR 68591749AA and MOPAR 68591751AA.

This table covers the pans that hold automatic-transmission fluid. Read more

MOPAR supplies both parts for the 2026 Ram 2500.

Part numbers include MOPAR 68225344AA and MOPAR 68720332AA.

This table covers the Fluid Pan bolts. Read more

This group shows a single part: REIN HWB1068.

This table covers the gaskets that seal the Fluid Pan. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

This group shows a single part: MOPAR 68261185AA.

This table covers the seals at the Fluid Pump. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

One part is listed for the 2026 Ram 2500 — MOPAR 68144277AA.

This table covers the Torque converters. Typical signs include a sulfur smell, rattling substrate, or an efficiency code. Confirm CARB vs Federal certification in the notes before ordering. Read more

2 Torque Converter parts for the 2026 Ram 2500 come from MOPAR.

Part numbers include MOPAR 68466765AA and MOPAR 68720341AA.

This table covers the automatic-transmission fluids specified for this gearbox. Typical signs include harsh or delayed shifts, fluid that smells burnt, or a shudder at light throttle. Use exactly the specification in the notes. Automatic transmissions are unforgiving of the wrong fluid. Read more

4 Transmission Fluid parts for the 2026 Ram 2500 come from 2 brands — PENTOSIN and MOBIL.

The Multi-Vehicle section lists 1 option from MOBIL — grouped under the catalog's "Multi-Vehicle" designation — the notes column spells out what sets them apart. MOBIL 126505 is listed in this group.

The ZF Fluid section lists 2 options from PENTOSIN — grouped under the catalog's "ZF Fluid" designation — the notes column spells out what sets them apart. PENTOSIN 1058110 is listed in this group.

1 further part sits outside the graded sections, with the same engine-level match.

This group includes MOBIL 126505, PENTOSIN 1058110 and PENTOSIN 1058210 and the remaining parts above.

This table covers the mounts that hold the transmission to the chassis. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes. Read more

One part is listed for the 2026 Ram 2500 — ANCHOR 3577.

This table covers the isolators in a transmission mount. Read more

5 Transmission Mount Isolator parts for the 2026 Ram 2500 come from MOPAR. Every part fits both the 6.4L V8 and the 6.7L L6 DIESEL Turbocharged.

Part numbers include MOPAR 68642810AA, MOPAR 68643811AA and MOPAR 68644815AA, among others listed above.

This table covers the valve bodies that route hydraulic pressure inside the transmission. Read more

3 Valve Body parts for the 2026 Ram 2500 come from MOPAR.

This group includes MOPAR 68683780AB, MOPAR 68720336AA and MOPAR 68757854AA.

This table covers the Valve Body sleeves. Read more

This group shows a single part: MOPAR 68276661AA.