2026 Ram 3500 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

WIX supplies both parts for the 2026 Ram 3500.

Part numbers include WIX 58846 and WIX 58843.

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

3 Fluid Cooler parts are listed for the 2026 Ram 3500, from MOPAR, SKP and TYC.

Part numbers include MOPAR 68322497AD, SKP SK19158 and TYC 19158.

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

MOPAR supplies the 4 Fluid Cooler Line / Hose parts for the 2026 Ram 3500.

This group includes MOPAR 68591791AA, MOPAR 68677878AA and MOPAR 68591749AA and the remaining parts above.

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

2 Fluid Pan parts for the 2026 Ram 3500 come from MOPAR. 1 part fits every engine; the other 1 is engine-specific.

This group includes MOPAR 68225344AA and MOPAR 68720332AA.

This table covers the Fluid Pan bolts. Read more

One part is listed for the 2026 Ram 3500 — 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

One part is listed for the 2026 Ram 3500 — 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

This group shows a single part: 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

MOPAR supplies the 4 Torque Converter parts for the 2026 Ram 3500.

Listed part numbers: MOPAR 68466765AA, MOPAR 68724781AA and MOPAR 68720341AA, plus the other parts above.

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 are listed for the 2026 Ram 3500, from PENTOSIN and MOBIL.

In the Multi-Vehicle grade, MOBIL supplies 1 part: grouped under the catalog's "Multi-Vehicle" designation — the notes column spells out what sets them apart. A representative part number is MOBIL 126505.

In the ZF Fluid grade, PENTOSIN supplies 2 parts: grouped under the catalog's "ZF Fluid" designation — the notes column spells out what sets them apart. A representative part number is PENTOSIN 1058110.

1 ungrouped part is not assigned to a grade, 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

This group shows a single part: ANCHOR 3577.

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

MOPAR supplies the 7 Transmission Mount Isolator parts for the 2026 Ram 3500. 3 parts fit every engine; the other 4 are engine-specific.

This group includes MOPAR 68642810AA, MOPAR 68643811AA and MOPAR 68643812AA and the remaining parts above.

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

MOPAR supplies the 7 Valve Body parts for the 2026 Ram 3500.

Listed part numbers: MOPAR 68683780AB, MOPAR 68757857AA and MOPAR 68757858AA, plus the other parts above.

This table covers the Valve Body sleeves. Read more

One part is listed for the 2026 Ram 3500 — MOPAR 68276661AA.