This page lists 26 drivetrain parts for the 2023 Lexus RC300, across 6 part types, covering the 3.5L V6 engine. Every part shows its brand, manufacturer part number and fitment notes.
On the 2023 Lexus RC300, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. 21 parts of the 26 listed are Gear Oil (14 parts), CV Axle (5 parts) and Differential Fill / Drain Plug (2 parts). The other 3 part types cover the remaining 5 parts.
The 2023 Lexus RC300 came with a single engine, the 3.5L V6, and every part is verified against it.
8 brands supply drivetrain parts for the 2023 Lexus RC300, led by VALVOLINE (10 parts), GSP (3 parts) and DORMAN (3 parts), plus 5 more brands.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2023 Lexus RC300. 4 parts have it, including GSP NCV69100 (CV Axle) and MOBIL 104361 (Gear Oil). Each part number opens a page with every vehicle that part fits.
CV Axle
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GSP Popular | NCV69100 | 🇺🇸 US 🇨🇦 CA | Front Left | View on Amazon |
| GSP | NCV69096 | 🇺🇸 US 🇨🇦 CA | Front Right | View on Amazon |
| GSP | NCV69120 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| TOP NOTCH | TN18021 | 🇺🇸 US 🇨🇦 CA | Front Left | View on Amazon |
| TOP NOTCH | TN18018 | 🇺🇸 US 🇨🇦 CA | 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.
5 CV Axle parts are listed for the 2023 Lexus RC300, from GSP and TOP NOTCH. GSP NCV69100 carries the "Popular" badge.
This group includes GSP NCV69100, GSP NCV69096 and GSP NCV69120 and the remaining parts above.
Differential Fill / Drain Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 991000CD | 🇺🇸 US 🇨🇦 CA | Front DifferentialAWD | View on Amazon |
| DORMAN | 991000 | 🇺🇸 US 🇨🇦 CA | Front DifferentialAWD | View on Amazon |
This table covers the Differential Fill drain plugs.
DORMAN supplies both parts for the 2023 Lexus RC300.
Listed part numbers: DORMAN 991000CD and DORMAN 991000.
Differential Pinion Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TIMKEN | SL260600 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| TIMKEN | SL260611 | 🇺🇸 US 🇨🇦 CA | Front | 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.
TIMKEN supplies both parts for the 2023 Lexus RC300.
This group includes TIMKEN SL260600 and TIMKEN SL260611.
Drive Shaft
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 986913 | 🇺🇸 US 🇨🇦 CA | Length: 51.875" | View on Amazon |
| WJB / INMOTION PARTS | WDS86913 | 🇺🇸 US 🇨🇦 CA | RearAWD | View on Amazon |
This table covers the driveshafts that carry torque from the transmission or transfer case.
2 Drive Shaft parts for the 2023 Lexus RC300 come from 2 brands — DORMAN and WJB / INMOTION PARTS.
Listed part numbers: DORMAN 986913 and WJB / INMOTION PARTS WDS86913.
Gear Oil
SAE 75W-90
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOBIL Popular | 104361 | 🇺🇸 US 🇨🇦 CA | Synthetic Gear Lube Limited Slip 75W-901 Quart | View on Amazon |
| VALVOLINE Popular | VV820 | 🇺🇸 US 🇨🇦 CA | Daily Protection SAE 75W-90 Gear Oil1 Quart | View on Amazon |
| VALVOLINE Popular | VV975 | 🇺🇸 US 🇨🇦 CA | Advanced Full Synthetic SAE 75W-90 Gear Oil1 Quart | View on Amazon |
| VALVOLINE | 889785 | 🇺🇸 US 🇨🇦 CA | Full Synthetic SAE 75W-90 Gear Oil1 Quart Flex Fill | View on Amazon |
| VALVOLINE | 882505 | 🇺🇸 US 🇨🇦 CA | Advanced Full Synthetic SAE 75W-90 Gear Oil1 Gallon | View on Amazon |
| VALVOLINE | 723856 | 🇺🇸 US 🇨🇦 CA | Advanced Full Synthetic SAE 75W-90 Gear Oil5 Gallon | View on Amazon |
| VALVOLINE | VV822 | 🇺🇸 US 🇨🇦 CA | Daily Protection SAE 75W-90 Gear Oil16 Gallon KEG | View on Amazon |
SAE 80W-90
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| LUCAS OIL | 10043 | 🇺🇸 US 🇨🇦 CA | SAE 80W-90 GEAR OIL1 qt | View on Amazon |
| LUCAS OIL | 10046 | 🇺🇸 US 🇨🇦 CA | SAE 80W-90 Gear Oil1 Gallon | View on Amazon |
| LUCAS OIL | 10066 | 🇺🇸 US 🇨🇦 CA | SAE 80W-90 Gear Oil5 Gallon | View on Amazon |
| VALVOLINE | VV831 | 🇺🇸 US 🇨🇦 CA | Daily Protection SAE 80W-90 Gear Oil1 Quart | View on Amazon |
| VALVOLINE | 773732 | 🇺🇸 US 🇨🇦 CA | Daily Protection SAE 80W-90 Gear Oil1 Gallon | View on Amazon |
| VALVOLINE | VV838 | 🇺🇸 US 🇨🇦 CA | Daily Protection SAE 80W-90 Gear Oil5 Gallon | View on Amazon |
| VALVOLINE | VV836 | 🇺🇸 US 🇨🇦 CA | Daily Protection SAE 80W-90 Gear Oil16 Gallon KEG | 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.
14 Gear Oil parts are listed for the 2023 Lexus RC300, from VALVOLINE, LUCAS OIL and MOBIL. MOBIL 104361 carries the "Popular" badge.
In the SAE 75W-90 grade, VALVOLINE and MOBIL supply 7 parts: grouped under the catalog's "SAE 75W-90" designation — the notes column spells out what sets them apart. A representative part number is MOBIL 104361.
In the SAE 80W-90 grade, VALVOLINE and LUCAS OIL supply 7 parts: grouped under the catalog's "SAE 80W-90" designation — the notes column spells out what sets them apart. A representative part number is LUCAS OIL 10043.
Transfer Case Fluid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOBIL | 126505 | 🇺🇸 US 🇨🇦 CA | Multi-Vehicle ATF | 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.
One part is listed for the 2023 Lexus RC300 — MOBIL 126505.
Buying Drivetrain Parts for a 2023 Lexus RC300
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 3.5L V6 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: Gear Oil and CV Axle .
Frequently Asked Questions
How many drivetrain parts fit the 2023 Lexus RC300?
Our catalog currently lists 26 drivetrain parts for the 2023 Lexus RC300 across 6 subcategories and 8 brands, covering the 3.5L V6 engine. Each part is matched to the engine(s) it fits.
What are the signs of drivetrain problems on a 2023 Lexus RC300?
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 2023 Lexus RC300 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 2023 Lexus RC300?
Every part on this page is matched to the 3.5L V6 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 2023 Lexus RC300
Drivetrain Parts for Other Lexus RC300 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.