2021 Toyota Sienna Automatic Transmission Parts

This table covers the gaskets that seal the Drain Plug. 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 2021 Toyota Sienna — DORMAN 652531CD.

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

This group shows a single part: PA CARGO 57710H.

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: PA CARGO 57500HF.

This table covers the rebuild kits for this assembly. Read more

PA CARGO supplies the 3 Rebuild Kit parts for the 2021 Toyota Sienna.

In the Banner Kit (Overhaul Kit + Friction Clutch Plates) grade, PA CARGO supplies 1 part: grouped under the catalog's "Banner Kit (Overhaul Kit + Friction Clutch Plates)" designation — the notes column spells out what sets them apart. A representative part number is PA CARGO DK5700HS.

The Master Kit (Overhaul Kit + Friction & Steel Clutch Plates) section lists 1 option from PA CARGO — grouped under the catalog's "Master Kit (Overhaul Kit + Friction & Steel Clutch Plates)" designation — the notes column spells out what sets them apart. PA CARGO DK5700H is listed in this group.

In the Overhaul Kit (Gaskets, Seals, O-Rings & Sealing Rings) grade, PA CARGO supplies 1 part: grouped under the catalog's "Overhaul Kit (Gaskets, Seals, O-Rings & Sealing Rings)" designation — the notes column spells out what sets them apart. A representative part number is PA CARGO K57900H.

Listed part numbers: PA CARGO DK5700HS, PA CARGO DK5700H and PA CARGO K57900H.

This table covers the pistons in a transmission servo. Read more

This group shows a single part: PA CARGO K57900N99.

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

7 Transmission Fluid parts for the 2021 Toyota Sienna come from 3 brands — LUBEGARD, PENTOSIN and MOBIL. The "Popular" part is PENTOSIN 1058113.

In the ATF 64 grade, PENTOSIN supplies 2 parts: grouped under the catalog's "ATF 64" designation — the notes column spells out what sets them apart. A representative part number is PENTOSIN 1058113.

In the CVT grade, LUBEGARD supplies 2 parts: grouped under the catalog's "CVT" designation — the notes column spells out what sets them apart. A representative part number is LUBEGARD 68112.

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.

2 further parts sit outside the graded sections, with the same engine-level match.

Listed part numbers: PENTOSIN 1058113, PENTOSIN 1058215 and LUBEGARD 68112, plus the other parts above.

This table covers the conditioners and additives used with this transmission fluid. Read more

4 Transmission Fluid Additive parts for the 2021 Toyota Sienna come from LUBEGARD.

Part numbers include LUBEGARD 61910, LUBEGARD 67010 and LUBEGARD 61904, among others listed 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

5 Transmission Mount parts are listed for the 2021 Toyota Sienna, from DEA / MARMON RIDE CONTROL, ANCHOR, PIONEER and 1 other brand. ANCHOR 10201 carries the "Popular" badge.

Listed part numbers: ANCHOR 10201, DEA / MARMON RIDE CONTROL A42148 and DEA / MARMON RIDE CONTROL A42146, plus the other parts above.