20 Drivetrain parts are listed for the 2019 Kia Optima, in 3 part types, covering all 4 engine options (1.6L L4 Turbocharged, 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged and 2.4L L4). Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2019 Kia Optima, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. All 20 listed parts are CV Axle (18 parts), CV Intermediate Shaft (1 part) and Drive Shaft (1 part).
The 2019 Kia Optima was sold with 4 engines. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2019 Kia Optima drivetrain parts are GSP (6 parts), TRAKMOTIVE (6 parts) and TOP NOTCH (5 parts), plus 2 more brands.
5 parts on this 2019 Kia Optima page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including GSP NCV75117 (CV Axle) and TOP NOTCH TN60188 (CV Axle). Click any part number to see every vehicle that part fits.
CV Axle
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GSP Popular Fits: 1.6L L4 Turbocharged | NCV75117 | 🇺🇸 US | Front Left | View on Amazon |
| TOP NOTCH Popular Fits: 2.0L L4 Turbocharged | TN60188 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Right | View on Amazon |
| TOP NOTCH Popular Fits: 2.0L L4 Turbocharged | TN60287 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Left | View on Amazon |
| TOP NOTCH Popular Fits: 2.4L L4 | TN60175 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front LeftAutomatic trans. | View on Amazon |
| TOP NOTCH Popular Fits: 2.4L L4 | TN60169 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front RightAutomatic trans. | View on Amazon |
| APWI Fits: 2.0L L4 Turbocharged | HY8449A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Right | View on Amazon |
| APWI Fits: 2.0L L4 Turbocharged | KA8065A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front LeftUS Built Vehicle (VIN 5, 1st digit) | View on Amazon |
| GSP Fits: 1.6L L4 Turbocharged | NCV75118 | 🇺🇸 US | Front Right | View on Amazon |
| GSP Fits: 2.0L L4 Turbocharged | NCV75109 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Right | View on Amazon |
| GSP Fits: 2.0L L4 Turbocharged | NCV75110 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Left | View on Amazon |
| GSP Fits: 2.4L L4 | NCV75078 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front LeftAutomatic trans. | View on Amazon |
| GSP Fits: 2.4L L4 | NCV71001K | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front RightAutomatic trans. | View on Amazon |
| TOP NOTCH Fits: 1.6L L4 Turbocharged | TN60291 | 🇺🇸 US | Front Right | View on Amazon |
| TRAKMOTIVE Fits: 1.6L L4 Turbocharged | HY86028 | 🇺🇸 US | AAR Joint Design | View on Amazon |
| TRAKMOTIVE Fits: 1.6L L4 Turbocharged | HY86036 | 🇺🇸 US | AAR Joint Design | View on Amazon |
| TRAKMOTIVE Fits: 2.0L L4 Turbocharged | HY86023 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front LeftKorea built (VIN K, 1st digit) | View on Amazon |
| TRAKMOTIVE Fits: 2.4L L4 | KA8125 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | AAR Joint Design | View on Amazon |
| TRAKMOTIVE Fits: 2.4L L4 | KA8128 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | AAR Joint Design | 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.
18 CV Axle parts for the 2019 Kia Optima come from 4 brands — GSP, TOP NOTCH, TRAKMOTIVE and 1 other brand. The "Popular" part is GSP NCV75117.
CV Intermediate Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TRAKMOTIVE Fits: 2.0L L4 Turbocharged | HY3535 | 🇺🇸 US | Front RightVIN 5, 1st digit | View on Amazon |
This table covers the CV Intermediate shafts.
One part is listed for the 2019 Kia Optima — TRAKMOTIVE HY3535.
Drive Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACKOJA Fits: 2.4L L4 | A539909 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Leftwith OE No. 49500D4200 | View on Amazon |
This table covers the driveshafts that carry torque from the transmission or transfer case.
One part is listed for the 2019 Kia Optima — ACKOJA A539909.
Buying Drivetrain Parts for a 2019 Kia Optima
On this vehicle, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware.
- Match the engine first. Every drivetrain part here is engine-specific; each row shows which engine(s) it fits.
- 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 CV Intermediate Shaft .
Frequently Asked Questions
How many drivetrain parts fit the 2019 Kia Optima?
Our catalog currently lists 20 drivetrain parts for the 2019 Kia Optima across 3 subcategories and 5 brands, covering all 4 engine options (1.6L L4 Turbocharged, 2.0L L4 ELECTRIC/GAS, 2.0L L4 Turbocharged and 2.4L L4). Each part is matched to the engine(s) it fits.
Do drivetrain parts differ between 2019 Kia Optima engines?
Yes. Every drivetrain part on this page is engine-specific. Each row shows which engine(s) it fits — use the filter at the top to hide the rest. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of drivetrain problems on a 2019 Kia Optima?
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 2019 Kia Optima 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 2019 Kia Optima?
First match the engine — each row shows which engine(s) the part fits. 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 2019 Kia Optima
Drivetrain Parts for Other Kia Optima Years
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