34 Automatic transmission parts are listed for the 2021 Honda Accord, in 10 part types, covering the 1.5L L4 Turbocharged engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
The automatic transmission on the 2021 Honda Accord covers the automatic gearbox and its supporting cast — filters, coolers, solenoids, mounts and torque-converter parts. The largest groups are Transmission Fluid (12 parts), Transmission Fluid Additive (6 parts) and Transmission Mount (4 parts). The other 7 part types cover the remaining 12 parts.
Every part on this page is matched to the 1.5L L4 Turbocharged — the only engine offered in the 2021 Honda Accord.
The most listed brands for 2021 Honda Accord automatic transmission parts are LUBEGARD (7 parts), VALVOLINE (6 parts) and DORMAN (4 parts), plus 14 more brands. Quality grades include CVT, Multi-Vehicle and Economy.
5 parts on this 2021 Honda Accord page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including VALVOLINE 804751 (Transmission Fluid) and LUBEGARD 19610 (Transmission Fluid Additive). Click any part number to see every vehicle that part fits.
Case Vent
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 14161 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the vents on a transmission or axle housing.
One part is listed for the 2021 Honda Accord — DORMAN 14161.
Drain Plug Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 652530CD | 🇺🇸 US 🇨🇦 CA | 20 MMAluminum | 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 Honda Accord — DORMAN 652530CD.
Filter
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VARIOUS MFR | PT99442 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Cartridge Filter | View on Amazon |
| VARIOUS MFR | PT99564 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Internal | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY | 0440383 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Cartridge Type | 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.
3 Filter parts for the 2021 Honda Accord come from 2 brands — VARIOUS MFR and BECK/ARNLEY.
The Economy section lists 2 options from VARIOUS MFR — the catalog's value-priced group. VARIOUS MFR PT99442 is listed in this group.
In the Standard Replacement grade, BECK/ARNLEY supplies 1 part: built to original-equipment specification. A representative part number is BECK/ARNLEY 0440383.
This group includes VARIOUS MFR PT99442, VARIOUS MFR PT99564 and BECK/ARNLEY 0440383.
Fluid Cooler
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACKOJA | A26600007 | 🇺🇸 US 🇨🇦 CA | with Seal | 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: ACKOJA A26600007.
Fluid Pan
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AUTOTECNICA | HA1223659 | 🇺🇸 US 🇨🇦 CA | Fits Automatic CVT trans.Sportor LX Model or SE Model | View on Amazon |
| DORMAN | 265894 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Automatic CVT trans. | View on Amazon |
| SPECTRA PREMIUM | TP0894 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Automatic CVT trans. | View on Amazon |
This table covers the pans that hold automatic-transmission fluid.
3 Fluid Pan parts are listed for the 2021 Honda Accord, from AUTOTECNICA, DORMAN and SPECTRA PREMIUM.
Listed part numbers: AUTOTECNICA HA1223659, DORMAN 265894 and SPECTRA PREMIUM TP0894.
Fluid Pan Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO | TOS18791 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Automatic CVT trans. | View on Amazon |
| VAICO | V260297 | 🇺🇸 US 🇨🇦 CA | Fits Automatic CVT trans.Sportor EX-L Model or LX Model or Sport SE | View on Amazon |
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.
2 Fluid Pan Gasket parts for the 2021 Honda Accord come from 2 brands — FEL-PRO and VAICO.
Listed part numbers: FEL-PRO TOS18791 and VAICO V260297.
Governor / Modulator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 926428 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the governors and modulators that control transmission shift pressure.
This group shows a single part: DORMAN 926428.
Transmission Fluid
CVT
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Popular | 804751 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Full Synthetic Continuously Variable Transmission Fluid1 Quart | View on Amazon |
| IDEMITSU | 30041114750 | 🇺🇸 US | CVTF Type H21 Quart | View on Amazon |
| IDEMITSU | 30041114953 | 🇺🇸 US | CVTF Type H25 Quart | View on Amazon |
| LUBEGARD | 68112 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Complete CVT Fluid32 oz | View on Amazon |
| PENTOSIN | 1120107 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | CVT11 Liter | View on Amazon |
| VALVOLINE | 876133 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Full Synthetic Continuously Variable Transmission Fluid1 Gallon | View on Amazon |
| VALVOLINE | 881056 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Full Synthetic Continuously Variable Transmission Fluid5 Gallon Bay Box | View on Amazon |
Multi-Vehicle
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Popular | VV3246 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Max Life Multi-Vehicle or Maxlife Multi-Vehicle Full Synthetic ATF1 Quart | View on Amazon |
| VALVOLINE Popular | 773775 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Max Life Multi-Vehicle or Maxlife Multi-Vehicle Full Synthetic ATF1 Gallon | View on Amazon |
| LIQUI MOLY | 20036 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Top Tec ATF 14001 Liter | View on Amazon |
| LIQUI MOLY | 20121 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Top Tec ATF 140020 Liter | View on Amazon |
| VALVOLINE | 881051 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Maxlife Multi-Vehicle Full Synthetic ATF5 Gallon Bay Box | 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.
12 Transmission Fluid parts for the 2021 Honda Accord come from 5 brands — VALVOLINE, IDEMITSU, LIQUI MOLY and 2 other brands. The "Popular" part is VALVOLINE 804751.
In the CVT grade, VALVOLINE, IDEMITSU, LUBEGARD and 1 other brand supply 7 parts: grouped under the catalog's "CVT" designation — the notes column spells out what sets them apart. A representative part number is VALVOLINE 804751.
The Multi-Vehicle section lists 5 options from VALVOLINE and LIQUI MOLY — grouped under the catalog's "Multi-Vehicle" designation — the notes column spells out what sets them apart. VALVOLINE VV3246 is listed in this group.
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 | 63010 | 🇺🇸 US 🇨🇦 CA | Platinum Universal ATF Protectant10 oz | View on Amazon |
| LUBEGARD | 63016 | 🇺🇸 US 🇨🇦 CA | Platinum Universal ATF Protectant15 oz | View on Amazon |
| LUBEGARD | 67010 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Continuously Variable Transmission Recharge & Protect10 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.
6 Transmission Fluid Additive parts for the 2021 Honda Accord come from LUBEGARD. The "Popular" part is LUBEGARD 19610.
Listed part numbers: LUBEGARD 19610, LUBEGARD 60902 and LUBEGARD 63010, plus the other parts above.
Transmission Mount
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ANCHOR | 10158 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LeftAutomatic CVT trans. | View on Amazon |
| DEA / MARMON RIDE CONTROL | A65112 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Automatic CVT trans. | View on Amazon |
| PIONEER | 600158 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LeftTrans. code BA7A | View on Amazon |
| WESTAR | EM7577 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Automatic CVT trans. | 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 Honda Accord, from ANCHOR, DEA / MARMON RIDE CONTROL, PIONEER and 1 other brand.
Listed part numbers: ANCHOR 10158, DEA / MARMON RIDE CONTROL A65112 and PIONEER 600158, plus the other parts above.
Buying Automatic Transmission Parts for a 2021 Honda Accord
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 1.5L L4 Turbocharged 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 Honda Accord?
Our catalog currently lists 34 automatic transmission parts for the 2021 Honda Accord across 10 subcategories and 17 brands, covering the 1.5L L4 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of automatic transmission problems on a 2021 Honda Accord?
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 Honda Accord 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 Honda Accord?
Every part on this page is matched to the 1.5L L4 Turbocharged 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 Honda Accord
Automatic Transmission Parts for Other Honda Accord Years
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