This page lists 17 drivetrain parts for the 2018 Kia Rio, across 2 part types, covering the 1.6L L4 engine. Every part shows its brand, manufacturer part number and fitment notes.
On the 2018 Kia Rio, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. All 17 listed parts are CV Axle (14 parts) and Differential Carrier Bearing / Race (3 parts).
The 2018 Kia Rio came with a single engine, the 1.6L L4, and every part is verified against it.
7 brands supply drivetrain parts for the 2018 Kia Rio, led by TOP NOTCH (4 parts), GSP (4 parts) and TRAKMOTIVE (4 parts), plus 4 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 Rio. 3 parts have it, including APWI KA8035A (CV Axle) and APWI HY8408A (CV Axle). Each part number opens a page with every vehicle that part fits.
CV Axle
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| APWI Popular | KA8035A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front LeftAutomatic trans. | View on Amazon |
| APWI Popular | HY8408A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front RightAutomatic trans. | View on Amazon |
| TOP NOTCH Popular | TN60085 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front LeftAutomatic trans. | View on Amazon |
| GSP | NCV37163 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front LeftManual Trans. | View on Amazon |
| GSP | NCV37162 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front RightManual trans. | View on Amazon |
| GSP | NCV37137 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front LeftAutomatic trans. | View on Amazon |
| GSP | NCV37136 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front RightAutomatic trans. | View on Amazon |
| TOP NOTCH | TN60107 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front LeftManual Trans. | View on Amazon |
| TOP NOTCH | TN60106 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front RightManual trans. | View on Amazon |
| TOP NOTCH | TN60084 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front RightAutomatic trans. | View on Amazon |
| TRAKMOTIVE | HY86012 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front LeftAutomatic trans. | View on Amazon |
| TRAKMOTIVE | HY86011 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front LeftManual Trans. | View on Amazon |
| TRAKMOTIVE | HY86013 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front RightManual trans. | View on Amazon |
| TRAKMOTIVE | HY86014 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front RightAutomatic 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.
14 CV Axle parts are listed for the 2018 Kia Rio, from TOP NOTCH, GSP, TRAKMOTIVE and 1 other brand. APWI KA8035A carries the "Popular" badge.
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 Rio, 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.
Listed part numbers: WJB / INMOTION PARTS RB6207, BCA WE61445 and NATIONAL 207.
Buying Drivetrain Parts for a 2018 Kia Rio
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 1.6L 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 Rio?
Our catalog currently lists 17 drivetrain parts for the 2018 Kia Rio across 2 subcategories and 7 brands, covering the 1.6L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of drivetrain problems on a 2018 Kia Rio?
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 Rio 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 Rio?
Every part on this page is matched to the 1.6L 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 Rio
Drivetrain Parts for Other Kia Rio 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.