The 2011 Kia Optima has 22 drivetrain parts with verified fitment on this page — 3 part types and 9 brands, covering all 3 engine options (2.0L L4 Turbocharged, 2.4L L4 and 2.4L L4 ELECTRIC/GAS). Each part includes a manufacturer part number and application notes.
On the 2011 Kia Optima, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. All 22 listed parts are CV Axle (18 parts), CV Joint Boot (3 parts) and Gear Oil (1 part).
The 2011 Kia Optima was sold with 3 engines. Every part on this page is engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2011 Kia Optima drivetrain parts are TRAKMOTIVE (6 parts), TOP NOTCH (4 parts) and APWI (3 parts), plus 6 more brands. Quality grades include Standard Replacement and Economy.
5 parts on this 2011 Kia Optima page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including APWI KA8044A (CV Axle) and APWI KA8045A (CV Axle). Click any part number to see every vehicle that part fits.
CV Axle
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AUTO EXTRA Fits: 2.4L L4 ELECTRIC/GAS | HY88707A | 🇺🇸 US 🇨🇦 CA | Front RightOE# 495014R250 | View on Amazon |
| FAMOUS BRAND Fits: 2.4L L4 | 1700701174 | 🇺🇸 US 🇨🇦 CA | RightFront | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| APWI Popular Fits: 2.4L L4 | KA8044A | 🇺🇸 US 🇨🇦 CA | Front LeftAutomatic trans. | View on Amazon |
| APWI Popular Fits: 2.4L L4 | KA8045A | 🇺🇸 US 🇨🇦 CA | Front RightAutomatic trans. | View on Amazon |
| TOP NOTCH Popular Fits: 2.4L L4 ELECTRIC/GAS | TN60038 | 🇺🇸 US | Front Left | View on Amazon |
| TOP NOTCH Popular Fits: 2.4L L4 ELECTRIC/GAS | TN60039 | 🇺🇸 US | Front Right | View on Amazon |
| TRAKMOTIVE Popular Fits: 2.4L L4 | HY8243 | 🇺🇸 US 🇨🇦 CA | Front RightAutomatic trans. | View on Amazon |
| APWI Fits: 2.4L L4 | KA8037A | 🇺🇸 US 🇨🇦 CA | Front LeftManual Trans. | View on Amazon |
| GSP Fits: 2.4L L4 | NCV75119 | 🇺🇸 US 🇨🇦 CA | Front RightManual trans. | View on Amazon |
| GSP Fits: 2.4L L4 ELECTRIC/GAS | NCV37069 | 🇺🇸 US | Front Left | View on Amazon |
| GSP Fits: 2.4L L4 ELECTRIC/GAS | NCV37070 | 🇺🇸 US | Front Right | View on Amazon |
| TOP NOTCH Fits: 2.4L L4 | TN60339 | 🇺🇸 US 🇨🇦 CA | Front RightManual trans. | View on Amazon |
| TOP NOTCH Fits: 2.4L L4 | TN60216 | 🇺🇸 US 🇨🇦 CA | Front LeftAutomatic trans. | View on Amazon |
| TRAKMOTIVE Fits: 2.4L L4 | KA8124 | 🇺🇸 US 🇨🇦 CA | AAR Joint Design | View on Amazon |
| TRAKMOTIVE Fits: 2.4L L4 | KA8104 | 🇺🇸 US 🇨🇦 CA | Front LeftManual Trans. | View on Amazon |
| TRAKMOTIVE Fits: 2.4L L4 | KA8110 | 🇺🇸 US 🇨🇦 CA | Front RightManual trans. | View on Amazon |
| TRAKMOTIVE Fits: 2.4L L4 ELECTRIC/GAS | HY8226 | 🇺🇸 US | Front Left | View on Amazon |
| TRAKMOTIVE Fits: 2.4L L4 ELECTRIC/GAS | HY8233 | 🇺🇸 US | Front Right | 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 2011 Kia Optima come from 6 brands — TRAKMOTIVE, TOP NOTCH, APWI and 3 other brands. The "Popular" part is APWI KA8044A.
The Economy section lists 2 options from AUTO EXTRA and FAMOUS BRAND — the catalog's value-priced group. AUTO EXTRA HY88707A is listed in this group.
In the Standard Replacement grade, TRAKMOTIVE, TOP NOTCH, APWI and 1 other brand supply 16 parts: built to original-equipment specification. A representative part number is APWI KA8044A.
CV Joint Boot
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY Fits: 2.4L L4, 2.4L L4 ELECTRIC/GAS | 1032751 | 🇺🇸 US 🇨🇦 CA | Front InnerAutomatic trans. | View on Amazon |
| BECK/ARNLEY Fits: 2.4L L4 | 1032489 | 🇺🇸 US 🇨🇦 CA | Front InnerManual trans. | View on Amazon |
| MEVOTECH Fits: 2.4L L4 | DX773 | 🇺🇸 US 🇨🇦 CA | Front InnerManual trans. | 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.
3 CV Joint Boot parts for the 2011 Kia Optima come from 2 brands — BECK/ARNLEY and MEVOTECH.
Listed part numbers: BECK/ARNLEY 1032751, BECK/ARNLEY 1032489 and MEVOTECH DX773.
Gear Oil
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| IDEMITSU Fits: 2.4L L4 | 30305024750 | 🇺🇸 US | 75W90 Racing Gear Oil1 Quart | View on Amazon |
This table covers the gear oils specified for the axle or transfer case. Typical signs include a low-oil lamp, knocking, or oil that has gone thin before the next interval. Match the viscosity and spec in the notes, not just the weight on the bottle.
This group shows a single part: IDEMITSU 30305024750.
Buying Drivetrain Parts for a 2011 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 Joint Boot .
Frequently Asked Questions
How many drivetrain parts fit the 2011 Kia Optima?
Our catalog currently lists 22 drivetrain parts for the 2011 Kia Optima across 3 subcategories and 9 brands, covering all 3 engine options (2.0L L4 Turbocharged, 2.4L L4 and 2.4L L4 ELECTRIC/GAS). Each part is matched to the engine(s) it fits.
Do drivetrain parts differ between 2011 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 2011 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 2011 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 2011 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 2011 Kia Optima
Drivetrain Parts for Other Kia Optima 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.