The 2018 Kia Forte has 61 automatic transmission parts with verified fitment on this page — 18 part types and 31 brands, covering the 2.0L L4 engine. Each part includes a manufacturer part number and application notes.
On the 2018 Kia Forte, the automatic transmission covers the automatic gearbox and its supporting cast — filters, coolers, solenoids, mounts and torque-converter parts. 29 parts of the 61 listed are Transmission Fluid (16 parts), Filter (8 parts) and Output Shaft Seal (5 parts). The other 15 part types cover the remaining 32 parts.
The 2018 Kia Forte came with a single engine, the 2.0L L4, and every part is verified against it.
31 brands supply automatic transmission parts for the 2018 Kia Forte, led by NATIONAL (6 parts), LUBEGARD (6 parts) and WJB / INMOTION PARTS (5 parts), plus 28 more brands. Quality grades include Multi-Vehicle, Standard Replacement and Economy.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2018 Kia Forte. 9 parts have it, including ATP B205 (Filter) and NATIONAL 711015 (Output Shaft Seal). Each part number opens a page with every vehicle that part fits.
Bushing Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DURA-BOND | TK30 | 🇺🇸 US 🇨🇦 CA | Trans. code A6GF1-2 | View on Amazon |
This table covers the Bushing kits.
One part is listed for the 2018 Kia Forte — DURA-BOND TK30.
Filter
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VARIOUS MFR | PT99808 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Mexico Built Vehicle | View on Amazon |
| VARIOUS MFR | PT99493 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Exc. Mexico Built Vehicle | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ATP Popular | B205 | 🇺🇸 US | Premium Replacement | View on Amazon |
| BECK/ARNLEY Popular | 0440435 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Internal FilterExc. Mexico Built Vehicle | View on Amazon |
| ATP | B542 | 🇺🇸 US 🇨🇦 CA | Trans. code A6GF1-2 | View on Amazon |
| BECK/ARNLEY | 0440480 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Mexico Built VehicleInternal Filter | View on Amazon |
| VAICO | V520392 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | EX Model or LX Model or S Model | View on Amazon |
| VAICO | V520394 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Includes: included: Hydraulic Filter, Automatic Transmission Oil Pan Gasket | 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.
8 Filter parts are listed for the 2018 Kia Forte, from VARIOUS MFR, ATP, BECK/ARNLEY and 1 other brand. ATP B205 carries the "Popular" badge.
In the Economy grade, VARIOUS MFR supplies 2 parts: the catalog's value-priced group. A representative part number is VARIOUS MFR PT99808.
The Standard Replacement section lists 6 options from ATP, BECK/ARNLEY and VAICO — built to original-equipment specification. ATP B205 is listed in this group.
Part numbers include ATP B205, VARIOUS MFR PT99808 and VARIOUS MFR PT99493, among others listed above.
Flexplate
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ATP | Z520 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits EX Modelor SX ModelNu engine | View on Amazon |
| PIONEER | FRA598 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits EX Modelor SX ModelNu engine | View on Amazon |
This table covers the flexplates that connect the crankshaft to the torque converter.
2 Flexplate parts for the 2018 Kia Forte come from 2 brands — ATP and PIONEER.
Listed part numbers: ATP Z520 and PIONEER FRA598.
Fluid Cooler
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACKOJA | A52601007 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with OE No. 25620F2000 | View on Amazon |
| DORMAN | 918983 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
2 Fluid Cooler parts are listed for the 2018 Kia Forte, from ACKOJA and DORMAN.
Part numbers include ACKOJA A52601007 and DORMAN 918983.
Fluid Cooler Line / Hose
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SUNSONG | 5801895 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Inlet | 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.
One part is listed for the 2018 Kia Forte — SUNSONG 5801895.
Fluid Pan
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP | SK265855 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| SPECTRA PREMIUM | TP0102 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the pans that hold automatic-transmission fluid.
2 Fluid Pan parts for the 2018 Kia Forte come from 2 brands — SKP and SPECTRA PREMIUM.
Part numbers include SKP SK265855 and SPECTRA PREMIUM TP0102.
Fluid Pump Bushing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DURA-BOND | MIT21T | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Coated | View on Amazon |
This table covers the Fluid Pump bushings. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles.
One part is listed for the 2018 Kia Forte — DURA-BOND MIT21T.
Manual Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL | 711014 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Mitsubishi Trans. | View on Amazon |
| WJB / INMOTION PARTS | WS711014 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Mitsubishi Trans. | View on Amazon |
This table covers the seals at the Manual Shaft. 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.
2 Manual Shaft Seal parts for the 2018 Kia Forte come from 2 brands — NATIONAL and WJB / INMOTION PARTS.
This group includes NATIONAL 711014 and WJB / INMOTION PARTS WS711014.
Output Shaft Repair Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA | NS99145 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Right | View on Amazon |
| NATIONAL | 99145 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LeftMitsubishi trans. | View on Amazon |
| WJB / INMOTION PARTS | WS99145 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LeftMitsubishi trans. | View on Amazon |
This table covers the wear sleeves used to restore a Output Shaft seal surface.
3 Output Shaft Repair Sleeve parts are listed for the 2018 Kia Forte, from BCA, NATIONAL and WJB / INMOTION PARTS.
This group includes BCA NS99145, NATIONAL 99145 and WJB / INMOTION PARTS WS99145.
Output Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Popular | 711015 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LeftTrans. code A6MF1-2 | View on Amazon |
| NATIONAL | 710997 | 🇺🇸 US 🇨🇦 CA | LeftTrans. code A6GF1-2 | View on Amazon |
| NATIONAL | 711152 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RightEX Model or LX Model or S Model | View on Amazon |
| WJB / INMOTION PARTS | WS711015 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LeftTrans. code A6MF1-2 | View on Amazon |
| WJB / INMOTION PARTS | WS710997 | 🇺🇸 US 🇨🇦 CA | LeftTrans. code A6GF1-2 | View on Amazon |
This table covers the seals at the Output Shaft. 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.
5 Output Shaft Seal parts are listed for the 2018 Kia Forte, from NATIONAL and WJB / INMOTION PARTS. NATIONAL 711015 carries the "Popular" badge.
Listed part numbers: NATIONAL 711015, NATIONAL 710997 and NATIONAL 711152, plus the other parts above.
Pressure Control (EPC) Solenoid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 2N1375 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Solenoid # A or B | View on Amazon |
This table covers the Pressure Control (EPC) solenoids. Typical signs include a harsh or missing shift, or a code for this solenoid circuit. Check resistance and the connector before dropping the pan for a solenoid.
One part is listed for the 2018 Kia Forte — WELLS 2N1375.
Shift Improvement Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TRANSGO | SKA6MF | 🇺🇸 US 🇨🇦 CA | Shift KitFor A6MF 1-2, A6GF-1, A6LF-1-2-3, Dodge Dart 6F24 Transmissions | View on Amazon |
This table covers the Shift Improvement kits.
One part is listed for the 2018 Kia Forte — TRANSGO SKA6MF.
Shift Solenoid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HYUNDAI | 463133B011 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Left, Upper, Lower, Right | View on Amazon |
| STANDARD MOTOR PRODUCTS | TCS289 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Solenoid shift | View on Amazon |
This table covers the Shift solenoids. Typical signs include a harsh or missing shift, or a code for this solenoid circuit. Check resistance and the connector before dropping the pan for a solenoid.
2 Shift Solenoid parts for the 2018 Kia Forte come from 2 brands — HYUNDAI and STANDARD MOTOR PRODUCTS.
Part numbers include HYUNDAI 463133B011 and STANDARD MOTOR PRODUCTS TCS289.
Sun Gear Bushing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DURA-BOND | MIT24BR | 🇺🇸 US 🇨🇦 CA | Bronze | View on Amazon |
| DURA-BOND | MIT25 | 🇺🇸 US 🇨🇦 CA | Trans. code A6GF1-2Output Sun Gear (A6GF) | View on Amazon |
This table covers the Sun Gear bushings. Typical signs include a clunk over bumps, or a torn or walked-out bushing you can see. Press the new bushing square. A cocked bushing will tear in a few thousand miles.
2 Sun Gear Bushing parts for the 2018 Kia Forte come from DURA-BOND.
This group includes DURA-BOND MIT24BR and DURA-BOND MIT25.
Torque Converter Shaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NATIONAL Popular | 710615 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Trans. code A6MF1-2Mitsubishi trans. | View on Amazon |
| BCA | NS710615 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Trans. code A6MF1-2 | View on Amazon |
| JAPANESE OE | 9031143004 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Nippon Reinz | View on Amazon |
| SCHAEFFLER | SS5585 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 2.37" O.D. X 0.28" Width | View on Amazon |
| WJB / INMOTION PARTS | WS710615 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Trans. code A6MF1-2Mitsubishi trans. | View on Amazon |
This table covers the seals at the Torque Converter Shaft. 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.
5 Torque Converter Shaft Seal parts for the 2018 Kia Forte come from 5 brands — NATIONAL, BCA, JAPANESE OE and 2 other brands. The "Popular" part is NATIONAL 710615.
Part numbers include NATIONAL 710615, BCA NS710615 and JAPANESE OE 9031143004, among others listed above.
Transmission Fluid
ATF 64
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PENTOSIN | 1058113 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 1 LiterATF64 or ATF44 | View on Amazon |
| PENTOSIN | 1058215 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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 |
Dual Clutch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PENTOSIN | 1052208 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | FFL320 Liters | 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 🇲🇽 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 | 20032 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Top Tec ATF 18001 Liter | View on Amazon |
| LIQUI MOLY | 22036 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Top Tec ATF 18005 Liter | View on Amazon |
| LIQUI MOLY | 20034 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Top TEC ATF 180020 Liter | View on Amazon |
| LUBEGARD | 69032 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 1 QuartComplete Full Synthetic ATF Fluid | View on Amazon |
| VALVOLINE | 881051 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Maxlife Multi-Vehicle Full Synthetic ATF5 Gallon Bay Box | View on Amazon |
SP-IV (SP 4)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AISIN | ATFSP4 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | SP41 Quart | View on Amazon |
| IDEMITSU | 30040100750 | 🇺🇸 US | ATF Type HK41 Quart | View on Amazon |
ZF Fluid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ZF | 5961308625 | 🇺🇸 US 🇨🇦 CA | Includes: 1 L Bottle | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE | 899179 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
16 Transmission Fluid parts are listed for the 2018 Kia Forte, from VALVOLINE, PENTOSIN, LIQUI MOLY and 6 other brands. ACDELCO 109243 carries the "Popular" badge.
The ATF 64 section lists 2 options from PENTOSIN — grouped under the catalog's "ATF 64" designation — the notes column spells out what sets them apart. PENTOSIN 1058113 is listed in this group.
In the Dexron grade, ACDELCO supplies 1 part: grouped under the catalog's "Dexron" designation — the notes column spells out what sets them apart. A representative part number is ACDELCO 109243.
The Dual Clutch section lists 1 option from PENTOSIN — grouped under the catalog's "Dual Clutch" designation — the notes column spells out what sets them apart. PENTOSIN 1052208 is listed in this group.
In the Multi-Vehicle grade, VALVOLINE, LIQUI MOLY, MOBIL and 1 other brand supply 8 parts: grouped under the catalog's "Multi-Vehicle" designation — the notes column spells out what sets them apart. A representative part number is MOBIL 126505.
The SP-IV (SP 4) section lists 2 options from AISIN and IDEMITSU — grouped under the catalog's "SP-IV (SP 4)" designation — the notes column spells out what sets them apart. AISIN ATFSP4 is listed in this group.
In the ZF Fluid grade, ZF supplies 1 part: grouped under the catalog's "ZF Fluid" designation — the notes column spells out what sets them apart. A representative part number is ZF 5961308625.
1 ungrouped part is not assigned to a grade, with the same engine-level match.
Transmission Fluid Additive
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| LUBEGARD Popular | 19610 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Instant Shudder Fixx2 oz | View on Amazon |
| LUBEGARD | 60902 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Automatic Transmission Fluid Protectant10 oz | View on Amazon |
| LUBEGARD | 63010 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum Universal ATF Protectant10 oz | View on Amazon |
| LUBEGARD | 63016 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum Universal ATF Protectant15 oz | View on Amazon |
| LUBEGARD | 63032 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum Universal ATF Protectant32 oz | View on Amazon |
This table covers the conditioners and additives used with this transmission fluid.
LUBEGARD supplies the 5 Transmission Fluid Additive parts for the 2018 Kia Forte. LUBEGARD 19610 carries the "Popular" badge.
Listed part numbers: LUBEGARD 19610, LUBEGARD 60902 and LUBEGARD 63010, plus the other parts above.
Transmission Mount
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ANCHOR | 10275 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | LeftAutomatic trans. | View on Amazon |
| WESTAR | EM7550 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Automatic 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.
2 Transmission Mount parts for the 2018 Kia Forte come from 2 brands — ANCHOR and WESTAR.
Part numbers include ANCHOR 10275 and WESTAR EM7550.
Buying Automatic Transmission Parts for a 2018 Kia Forte
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 2.0L 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 Filter .
Frequently Asked Questions
How many automatic transmission parts fit the 2018 Kia Forte?
Our catalog currently lists 61 automatic transmission parts for the 2018 Kia Forte across 18 subcategories and 31 brands, covering the 2.0L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of automatic transmission problems on a 2018 Kia Forte?
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 2018 Kia Forte 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 2018 Kia Forte?
Every part on this page is matched to the 2.0L 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 2018 Kia Forte
Automatic Transmission Parts for Other Kia Forte Years
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