40 Automatic transmission parts are listed for the 2021 Lexus ES250, in 8 part types, covering the 2.5L L4 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2021 Lexus ES250, the automatic transmission covers the automatic gearbox and its supporting cast — filters, coolers, solenoids, mounts and torque-converter parts. 28 parts of the 40 listed are Transmission Fluid (17 parts), Transmission Fluid Additive (7 parts) and Filter (4 parts). The other 5 part types cover the remaining 12 parts.
Every part on this page is matched to the 2.5L L4 — the only engine offered in the 2021 Lexus ES250.
The most listed brands for 2021 Lexus ES250 automatic transmission parts are LUBEGARD (8 parts), VALVOLINE (5 parts) and DORMAN (3 parts), plus 16 more brands. Quality grades include Multi-Vehicle, Standard Replacement and Economy.
6 parts on this 2021 Lexus ES250 page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including ACDELCO 109243 (Transmission Fluid) and LUBEGARD 19610 (Transmission Fluid Additive). Click any part number to see every vehicle that part fits.
Drain Plug Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 652531CD | 🇺🇸 US 🇨🇦 CA | View on Amazon |
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.
One part is listed for the 2021 Lexus ES250 — DORMAN 652531CD.
Filter
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VARIOUS MFR | PT99811 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ATP | B205 | 🇺🇸 US 🇨🇦 CA | Premium Replacement | View on Amazon |
| BECK/ARNLEY | 0440465 | 🇺🇸 US 🇨🇦 CA | Transmission #XxnxxxxxxxxInternal Filter | View on Amazon |
| RAYBESTOS POWERTRAIN | 515658 | 🇺🇸 US 🇨🇦 CA | Sump Filter | View on Amazon |
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.
4 Filter parts for the 2021 Lexus ES250 come from 4 brands — VARIOUS MFR, ATP, BECK/ARNLEY and 1 other brand.
The Economy section lists 1 option from VARIOUS MFR — the catalog's value-priced group. VARIOUS MFR PT99811 is listed in this group.
In the Standard Replacement grade, ATP, BECK/ARNLEY and RAYBESTOS POWERTRAIN supply 3 parts: built to original-equipment specification. A representative part number is ATP B205.
This group includes VARIOUS MFR PT99811, ATP B205 and BECK/ARNLEY 0440465 and the remaining parts above.
Fluid Cooler
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 918696 | 🇺🇸 US 🇨🇦 CA | At Transmission | View on Amazon |
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.
This group shows a single part: DORMAN 918696.
Fluid Cooler Line / Hose
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SUNSONG | 5801887 | 🇺🇸 US 🇨🇦 CA | OutletAt Transmission | View on Amazon |
| SUNSONG | 5801849 | 🇺🇸 US 🇨🇦 CA | OutletAt Pancake Cooler | View on Amazon |
| SUNSONG | 5801857 | 🇺🇸 US 🇨🇦 CA | OutletTransmission to Tube | View on Amazon |
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.
3 Fluid Cooler Line / Hose parts for the 2021 Lexus ES250 come from SUNSONG.
Listed part numbers: SUNSONG 5801887, SUNSONG 5801849 and SUNSONG 5801857.
Fluid Pan
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AUTOTECNICA | TY1223097 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| DORMAN | 265915 | 🇺🇸 US 🇨🇦 CA | Side cover | View on Amazon |
| SKP | SK265915 | 🇺🇸 US 🇨🇦 CA | Side cover | View on Amazon |
This table covers the pans that hold automatic-transmission fluid.
3 Fluid Pan parts are listed for the 2021 Lexus ES250, from AUTOTECNICA, DORMAN and SKP.
This group includes AUTOTECNICA TY1223097, DORMAN 265915 and SKP SK265915.
Transmission Fluid
ATF 64
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PENTOSIN | 1058113 | 🇺🇸 US 🇨🇦 CA | 1 LiterATF64 or ATF44 | View on Amazon |
| PENTOSIN | 1058215 | 🇺🇸 US 🇨🇦 CA | 5 LitersATF64 or ATF44 | View on Amazon |
Dexron
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | 109243 | 🇺🇸 US | Container Type: Plastic Container | View on Amazon |
Multi-Vehicle
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOBIL Popular | 126505 | 🇺🇸 US 🇨🇦 CA | Multi-Vehicle ATF | View on Amazon |
| VALVOLINE Popular | VV3246 | 🇺🇸 US 🇨🇦 CA | Max Life Multi-Vehicle or Maxlife Multi-Vehicle Full Synthetic ATF1 Quart | View on Amazon |
| VALVOLINE Popular | 773775 | 🇺🇸 US 🇨🇦 CA | Max Life Multi-Vehicle or Maxlife Multi-Vehicle Full Synthetic ATF1 Gallon | View on Amazon |
| LIQUI MOLY | 20032 | 🇺🇸 US 🇨🇦 CA | Top Tec ATF 18001 Liter | View on Amazon |
| LIQUI MOLY | 22036 | 🇺🇸 US 🇨🇦 CA | Top Tec ATF 18005 Liter | View on Amazon |
| LIQUI MOLY | 20034 | 🇺🇸 US 🇨🇦 CA | Top TEC ATF 180020 Liter | View on Amazon |
| LUBEGARD | 69032 | 🇺🇸 US 🇨🇦 CA | 1 QuartComplete Full Synthetic ATF Fluid | View on Amazon |
| LUCAS OIL | 11255 | 🇺🇸 US 🇨🇦 CA | LOW VISCOSITY SYNTHETIC MULTI-VEHICLE AUTOMATIC TRANSMISSION FLUID1 qt | View on Amazon |
| LUCAS OIL | 18037 | 🇺🇸 US 🇨🇦 CA | Low Viscosity Synthetic Multi-Vehicle Automatic Transmission Fluid6 Gallon | View on Amazon |
| VALVOLINE | 822389 | 🇺🇸 US 🇨🇦 CA | Import Multi-Vehicle ATF1 Quart | View on Amazon |
| VALVOLINE | 881051 | 🇺🇸 US 🇨🇦 CA | Maxlife Multi-Vehicle Full Synthetic ATF5 Gallon Bay Box | View on Amazon |
World Standard (WS)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| IDEMITSU | 30040096750 | 🇺🇸 US | ATF Type TLS-LV1 Quart | View on Amazon |
| IDEMITSU | 30040096953 | 🇺🇸 US | ATF Type TLS-LV5 Quart | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE | 899179 | 🇺🇸 US 🇨🇦 CA | Extended Protection Full Synthetic ATF1 Quart | View on Amazon |
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.
17 Transmission Fluid parts for the 2021 Lexus ES250 come from 8 brands — VALVOLINE, LIQUI MOLY, PENTOSIN and 5 other brands. The "Popular" part is ACDELCO 109243.
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.
The Dexron section lists 1 option from ACDELCO — grouped under the catalog's "Dexron" designation — the notes column spells out what sets them apart. ACDELCO 109243 is listed in this group.
The Multi-Vehicle section lists 11 options from VALVOLINE, LIQUI MOLY, LUCAS OIL and 2 other brands — 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 World Standard (WS) section lists 2 options from IDEMITSU — grouped under the catalog's "World Standard (WS)" designation — the notes column spells out what sets them apart. IDEMITSU 30040096750 is listed in this group.
1 further part sits outside the graded sections, with the same engine-level match.
Transmission Fluid Additive
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| LUBEGARD Popular | 19610 | 🇺🇸 US 🇨🇦 CA | Instant Shudder Fixx2 oz | View on Amazon |
| LUBEGARD Popular | 60902 | 🇺🇸 US 🇨🇦 CA | Automatic Transmission Fluid Protectant10 oz | View on Amazon |
| LUBEGARD | 19689 | 🇺🇸 US 🇨🇦 CA | Instant Shudder Fixx2 oz | View on Amazon |
| LUBEGARD | 61910 | 🇺🇸 US 🇨🇦 CA | 10 ozHighly Friction Modified ATF Supplement | View on Amazon |
| LUBEGARD | 63010 | 🇺🇸 US 🇨🇦 CA | Platinum Universal ATF Protectant10 oz | View on Amazon |
| LUBEGARD | 63016 | 🇺🇸 US 🇨🇦 CA | Platinum Universal ATF Protectant15 oz | View on Amazon |
| LUBEGARD | 63032 | 🇺🇸 US 🇨🇦 CA | Platinum Universal ATF Protectant32 oz | View on Amazon |
This table covers the conditioners and additives used with this transmission fluid.
7 Transmission Fluid Additive parts for the 2021 Lexus ES250 come from LUBEGARD. The "Popular" part is LUBEGARD 19610.
Listed part numbers: LUBEGARD 19610, LUBEGARD 60902 and LUBEGARD 19689, plus the other parts above.
Transmission Mount
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP | SK10145 | 🇺🇸 US 🇨🇦 CA | Left | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ANCHOR | 10145 | 🇺🇸 US 🇨🇦 CA | Left | View on Amazon |
| DEA / MARMON RIDE CONTROL | A42127 | 🇺🇸 US 🇨🇦 CA | Left | View on Amazon |
| PIONEER | 620144 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
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.
4 Transmission Mount parts are listed for the 2021 Lexus ES250, from SKP, ANCHOR, DEA / MARMON RIDE CONTROL and 1 other brand.
Economy: 1 part, from SKP. A representative part number is SKP SK10145.
The Standard Replacement section: 3 options from ANCHOR, DEA / MARMON RIDE CONTROL and PIONEER. ANCHOR 10145 is listed in this group.
Part numbers include SKP SK10145, ANCHOR 10145 and DEA / MARMON RIDE CONTROL A42127, among others listed above.
Buying Automatic Transmission Parts for a 2021 Lexus ES250
On this vehicle, the automatic transmission covers the automatic gearbox and its supporting cast — filters, coolers, solenoids, mounts and torque-converter parts.
- Confirm you have the 2.5L L4 engine — every part on this page is matched to it.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the filter and pan gasket with every fluid service, and flush the cooler lines when replacing a failed unit.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Transmission Fluid and Transmission Fluid Additive .
Frequently Asked Questions
How many automatic transmission parts fit the 2021 Lexus ES250?
Our catalog currently lists 40 automatic transmission parts for the 2021 Lexus ES250 across 8 subcategories and 19 brands, covering the 2.5L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of automatic transmission problems on a 2021 Lexus ES250?
Common symptoms include delayed or harsh engagement, slipping under load, fluid that smells burnt, or shuddering at light throttle around 40 mph. 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 filter and pan gasket with every fluid service, and flush the cooler lines when replacing a failed unit.
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 2021 Lexus ES250 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 2021 Lexus ES250?
Every part on this page is matched to the 2.5L L4 engine. Then use exactly the fluid specification in the notes — automatic transmissions are the least forgiving component on the vehicle about fluid choice. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2021 Lexus ES250
Automatic Transmission Parts for Other Lexus ES250 Years
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