This page lists 9 drivetrain parts for the 2021 Kia Rio, across 1 part type, covering the 1.6L L4 engine. Every part shows its brand, manufacturer part number and fitment notes.
On the 2021 Kia Rio, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. Every listed part is a CV Axle.
The 2021 Kia Rio came with a single engine, the 1.6L L4, and every part is verified against it.
4 brands supply drivetrain parts for the 2021 Kia Rio, led by TRAKMOTIVE (3 parts), APWI (2 parts) and GSP (2 parts), plus 1 more brand.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2021 Kia Rio. 2 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 | 🇲🇽 MX | Front LeftAutomatic trans. | View on Amazon |
| APWI Popular | HY8408A | 🇲🇽 MX | Front RightAutomatic trans. | View on Amazon |
| GSP | NCV37137 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front LeftAutomatic CVT trans. or Automatic trans. | View on Amazon |
| GSP | NCV37136 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front RightAutomatic CVT trans. or Automatic trans. | View on Amazon |
| TOP NOTCH | TN60085 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front LeftAutomatic CVT trans. or Automatic trans. | View on Amazon |
| TOP NOTCH | TN60084 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front RightAutomatic CVT trans. or Automatic trans. | View on Amazon |
| TRAKMOTIVE | HY86052 | 🇨🇦 CA 🇲🇽 MX | Front LeftManual Trans. | View on Amazon |
| TRAKMOTIVE | HY86012 | 🇺🇸 US 🇨🇦 CA | Front LeftAutomatic CVT trans. | View on Amazon |
| TRAKMOTIVE | HY86014 | 🇺🇸 US 🇨🇦 CA | Front RightAutomatic CVT 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.
9 CV Axle parts are listed for the 2021 Kia Rio, from TRAKMOTIVE, APWI, GSP and 1 other brand. APWI KA8035A carries the "Popular" badge.
Part numbers include APWI KA8035A, APWI HY8408A and GSP NCV37137, among others listed above.
Buying Drivetrain Parts for a 2021 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 .
Frequently Asked Questions
How many drivetrain parts fit the 2021 Kia Rio?
Our catalog currently lists 9 drivetrain parts for the 2021 Kia Rio across 1 subcategory and 4 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 2021 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 2021 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 2021 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 2021 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.