This page lists 33 drivetrain parts for the 2021 Kia Sorento, across 6 part types, covering all 3 engine options (1.6L L4 ELECTRIC/GAS Turbocharged, 2.5L L4 and 2.5L L4 Turbocharged). Every part shows its brand, manufacturer part number and fitment notes.
The drivetrain system on the 2021 Kia Sorento moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. The largest groups are CV Axle (20 parts), CV Intermediate Shaft (4 parts) and Gear Oil (3 parts). The other 3 part types cover the remaining 6 parts.
The 2021 Kia Sorento was sold with 3 engines. 5 parts fit every engine; the other 28 are engine-specific. Each part shows which engine(s) it fits.
8 brands supply drivetrain parts for the 2021 Kia Sorento, led by TRAKMOTIVE (15 parts), GSP (6 parts) and VALVOLINE (4 parts), plus 5 more brands.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2021 Kia Sorento. 4 parts have it, including GSP NCV37150 (CV Axle) and GSP NCV37154 (CV Axle). Each part number opens a page with every vehicle that part fits.
AWD Coupling Oil Pump
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Fits: 2.5L L4, 2.5L L4 Turbocharged | 600221 | 🇺🇸 US 🇨🇦 CA | RearAWD | View on Amazon |
| SKP Fits: 2.5L L4, 2.5L L4 Turbocharged | SK600221 | 🇺🇸 US 🇨🇦 CA | RearAWD | View on Amazon |
This table covers the AWD Coupling Oil pumps. Typical signs include noise from the pump, no pressure, or fluid that never arrives at the outlet. Prime or fill the pump as the notes require. A dry start is a common way to kill a new unit.
2 AWD Coupling Oil Pump parts are listed for the 2021 Kia Sorento, from DORMAN and SKP.
This group includes DORMAN 600221 and SKP SK600221.
CV Axle
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GSP Popular Fits: all 2021 Sorento engines | NCV37150 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Left | View on Amazon |
| GSP Popular Fits: all 2021 Sorento engines | NCV37154 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Right | View on Amazon |
| TOP NOTCH Popular Fits: 2.5L L4, 2.5L L4 Turbocharged | TN60359 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front LeftEX Model or LX Model or S Model or SX Model | View on Amazon |
| TOP NOTCH Popular Fits: 2.5L L4, 2.5L L4 Turbocharged | TN60360 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Right7 Passenger | View on Amazon |
| GSP Fits: all 2021 Sorento engines | NCV37158 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Right | View on Amazon |
| GSP Fits: 2.5L L4, 2.5L L4 Turbocharged | NCV37186 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Left6 Passenger | View on Amazon |
| GSP Fits: 2.5L L4, 2.5L L4 Turbocharged | NCV75153 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Right7 Passenger | View on Amazon |
| GSP Fits: 2.5L L4, 2.5L L4 Turbocharged | NCV37194 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front LeftEX Model or LX Model or S Model or SX Model | View on Amazon |
| TOP NOTCH Fits: all 2021 Sorento engines | TN60102 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Right | View on Amazon |
| TRAKMOTIVE Fits: 1.6L L4 ELECTRIC/GAS Turbocharged | KA86061 | 🇺🇸 US | AAR Joint Design | View on Amazon |
| TRAKMOTIVE Fits: all 2021 Sorento engines | KA86073 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | AAR Joint Design | View on Amazon |
| TRAKMOTIVE Fits: 1.6L L4 ELECTRIC/GAS Turbocharged | KA86035 | 🇺🇸 US | AAR Joint Design | View on Amazon |
| TRAKMOTIVE Fits: 2.5L L4, 2.5L L4 Turbocharged | HY86085 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Rear Left | View on Amazon |
| TRAKMOTIVE Fits: 2.5L L4 | KA86030 | 🇺🇸 US 🇲🇽 MX | AAR Joint Design | View on Amazon |
| TRAKMOTIVE Fits: 2.5L L4 | KA86038 | 🇺🇸 US 🇨🇦 CA | AAR Joint Design | View on Amazon |
| TRAKMOTIVE Fits: 2.5L L4 | KA86056 | 🇺🇸 US 🇲🇽 MX | AAR Joint Design | View on Amazon |
| TRAKMOTIVE Fits: 2.5L L4 Turbocharged | KA86078 | 🇺🇸 US 🇨🇦 CA | AAR Joint Design | View on Amazon |
| TRAKMOTIVE Fits: 2.5L L4 Turbocharged | KA86039 | 🇺🇸 US 🇨🇦 CA | AAR Joint Design | View on Amazon |
| TRAKMOTIVE Fits: 2.5L L4 Turbocharged | KA86064 | 🇺🇸 US 🇨🇦 CA | AAR Joint Design | View on Amazon |
| TRAKMOTIVE Fits: 2.5L L4 Turbocharged | KA86057 | 🇺🇸 US 🇨🇦 CA | 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.
20 CV Axle parts are listed for the 2021 Kia Sorento, from TRAKMOTIVE, GSP and TOP NOTCH. GSP NCV37150 carries the "Popular" badge. 5 parts fit every engine; the other 15 are engine-specific.
CV Intermediate Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TRAKMOTIVE Fits: 1.6L L4 ELECTRIC/GAS Turbocharged | KA3530 | 🇺🇸 US | Front | View on Amazon |
| TRAKMOTIVE Fits: 2.5L L4 | KA3521 | 🇺🇸 US 🇨🇦 CA | FrontAWD | View on Amazon |
| TRAKMOTIVE Fits: 2.5L L4 | KA3520 | 🇺🇸 US 🇲🇽 MX | FrontFWD | View on Amazon |
| TRAKMOTIVE Fits: 2.5L L4, 2.5L L4 Turbocharged | HY3555 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Right | View on Amazon |
This table covers the CV Intermediate shafts.
4 CV Intermediate Shaft parts for the 2021 Kia Sorento come from TRAKMOTIVE.
Part numbers include TRAKMOTIVE KA3530, TRAKMOTIVE KA3521 and TRAKMOTIVE KA3520, among others listed above.
Differential Pinion Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TIMKEN Fits: 2.5L L4, 2.5L L4 Turbocharged | SL260471 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RearEX Model or LX Model or S Model or SX Model | View on Amazon |
This table covers the seals at the differential pinion yoke. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
One part is listed for the 2021 Kia Sorento — TIMKEN SL260471.
Gear Oil
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| IDEMITSU Fits: 2.5L L4, 2.5L L4 Turbocharged | 30305024750 | 🇺🇸 US | 75W90 Racing Gear Oil1 Quart | View on Amazon |
| VALVOLINE Fits: 2.5L L4, 2.5L L4 Turbocharged | 915052 | 🇺🇸 US 🇨🇦 CA | Advanced Full Synthetic SAE 75W-85 Gear Oil1 Gallon | View on Amazon |
| VALVOLINE Fits: 2.5L L4, 2.5L L4 Turbocharged | 915053 | 🇺🇸 US 🇨🇦 CA | Advanced Full Synthetic SAE 75W-85 Gear Oil1 Quart Flex Fill | 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.
3 Gear Oil parts are listed for the 2021 Kia Sorento, from VALVOLINE and IDEMITSU.
Listed part numbers: IDEMITSU 30305024750, VALVOLINE 915052 and VALVOLINE 915053.
Transfer Case Fluid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| IDEMITSU Fits: 2.5L L4, 2.5L L4 Turbocharged | 30305024750 | 🇺🇸 US | 75W90 Racing Gear Oil1 Quart | View on Amazon |
| VALVOLINE Fits: 2.5L L4, 2.5L L4 Turbocharged | 915052 | 🇺🇸 US 🇨🇦 CA | Advanced Full Synthetic SAE 75W-85 Gear Oil1 Gallon | View on Amazon |
| VALVOLINE Fits: 2.5L L4, 2.5L L4 Turbocharged | 915053 | 🇺🇸 US 🇨🇦 CA | Advanced Full Synthetic SAE 75W-85 Gear Oil1 Quart Flex Fill | View on Amazon |
This table covers the fluids specified for the transfer case. Typical signs include discolored fluid, a burnt smell, or a level that keeps dropping. Use only the specification in the notes — the tables group grades because they are not interchangeable.
3 Transfer Case Fluid parts are listed for the 2021 Kia Sorento, from VALVOLINE and IDEMITSU.
This group includes IDEMITSU 30305024750, VALVOLINE 915052 and VALVOLINE 915053.
Buying Drivetrain Parts for a 2021 Kia Sorento
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. Some drivetrain parts fit every engine; others are 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 2021 Kia Sorento?
Our catalog currently lists 33 drivetrain parts for the 2021 Kia Sorento across 6 subcategories and 8 brands, covering all 3 engine options (1.6L L4 ELECTRIC/GAS Turbocharged, 2.5L L4 and 2.5L L4 Turbocharged). Each part is matched to the engine(s) it fits.
Do drivetrain parts differ between 2021 Kia Sorento engines?
Some do. 5 parts fit every engine; the other 28 are engine-specific. Each row (and the filter at the top) shows which. 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 2021 Kia Sorento?
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 Sorento 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 Sorento?
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 2021 Kia Sorento
Drivetrain Parts for Other Kia Sorento 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.