The 2018 Kia Forte has 18 drivetrain parts with verified fitment on this page — 4 part types and 9 brands, covering the 2.0L L4 engine. Each part includes a manufacturer part number and application notes.
On the 2018 Kia Forte, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. 17 parts of the 18 listed are CV Axle (13 parts), Differential Carrier Bearing / Race (3 parts) and CV Joint Boot (1 part). The other 1 part type covers the remaining 1 part.
The 2018 Kia Forte came with a single engine, the 2.0L L4, and every part is verified against it.
9 brands supply drivetrain parts for the 2018 Kia Forte, led by APWI (4 parts), GSP (4 parts) and TRAKMOTIVE (4 parts), plus 6 more brands. Quality grades include Standard Replacement and Economy.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2018 Kia Forte. 3 parts have it, including APWI HY8434A (CV Axle) and APWI KA8062A (CV Axle). Each part number opens a page with every vehicle that part fits.
CV Axle
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| APWI Popular | HY8434A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front LeftManual Trans. | View on Amazon |
| APWI Popular | KA8062A | 🇺🇸 US | Front RightAutomatic trans. | View on Amazon |
| APWI Popular | KA8031A | 🇺🇸 US | Front LeftAutomatic trans. | View on Amazon |
| APWI | HY8497A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front RightManual trans. | View on Amazon |
| GSP | NCV75079 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front LeftManual Trans. | View on Amazon |
| GSP | NCV37088 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front LeftAutomatic trans. | View on Amazon |
| GSP | NCV37085 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front RightManual trans. | View on Amazon |
| GSP | NCV37089 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front RightAutomatic trans. | View on Amazon |
| TOP NOTCH | TN60176 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front LeftManual Trans. | View on Amazon |
| TRAKMOTIVE | HY8292 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front LeftManual Trans. | View on Amazon |
| TRAKMOTIVE | KA8068 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front RightAutomatic trans. | View on Amazon |
| TRAKMOTIVE | KA8085 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front LeftAutomatic trans. | View on Amazon |
| TRAKMOTIVE | KA8082 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front RightManual trans. | View on Amazon |
This table covers the complete CV axle shafts from differential (or hub) to wheel. Typical signs include a click in tight turns, grease flung around the wheel well, or a vibration that builds with speed. A torn boot caught early is a boot kit; caught late it is the whole axle. Torque the axle nut to the method in the notes.
13 CV Axle parts are listed for the 2018 Kia Forte, from APWI, GSP, TRAKMOTIVE and 1 other brand. APWI HY8434A carries the "Popular" badge.
CV Joint Boot
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GKN | 307125 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OUTER Diameter 0.826 In | View on Amazon |
This table covers the boots that keep grease in a CV joint. Typical signs include a split boot, grease flung around the joint, or a click once grit is inside. A boot caught early is a kit. Once the joint has clicked, the joint itself is usually worn.
One part is listed for the 2018 Kia Forte — GKN 307125.
Differential Carrier Bearing / Race
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WJB / INMOTION PARTS | RB6207 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Manual trans.Mitsubishi trans. | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BCA | WE61445 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Manual trans. | View on Amazon |
| NATIONAL | 207 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Manual trans.Mitsubishi trans. | View on Amazon |
This table covers the bearings and races that support the differential carrier.
3 Differential Carrier Bearing / Race parts are listed for the 2018 Kia Forte, from WJB / INMOTION PARTS, BCA and NATIONAL.
In the Economy grade, WJB / INMOTION PARTS supplies 1 part: the catalog's value-priced group. A representative part number is WJB / INMOTION PARTS RB6207.
The Standard Replacement section lists 2 options from BCA and NATIONAL — built to original-equipment specification. BCA WE61445 is listed in this group.
This group includes WJB / INMOTION PARTS RB6207, BCA WE61445 and NATIONAL 207.
Drive Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACKOJA | A539901 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits SX ModelTo 07/02/2018 | View on Amazon |
This table covers the driveshafts that carry torque from the transmission or transfer case.
This group shows a single part: ACKOJA A539901.
Buying Drivetrain Parts for a 2018 Kia Forte
On this vehicle, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware.
- 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 differential or transfer-case fluid with any axle or seal job while everything is already open.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: CV Axle and Differential Carrier Bearing / Race .
Frequently Asked Questions
How many drivetrain parts fit the 2018 Kia Forte?
Our catalog currently lists 18 drivetrain parts for the 2018 Kia Forte across 4 subcategories and 9 brands, covering the 2.0L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of drivetrain problems on a 2018 Kia Forte?
Common symptoms include clicking in tight turns, a clunk when shifting between drive and reverse, vibration that builds with speed, or gear oil on the inside of a wheel. 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 differential or transfer-case fluid with any axle or seal job while everything is already open.
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 a torn CV boot caught early is a cheap boot kit; caught late it is a whole axle — inspect before deciding which to buy. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2018 Kia Forte
Drivetrain Parts for Other Kia Forte Years
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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.