The 2026 Lexus RX350H has 7 drivetrain parts with verified fitment on this page — 1 part type and 3 brands, covering the 2.5L L4 ELECTRIC/GAS engine. Each part includes a manufacturer part number and application notes.
On the 2026 Lexus RX350H, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. Every listed part is a Gear Oil.
Every part on this page is matched to the 2.5L L4 ELECTRIC/GAS — the only engine offered in the 2026 Lexus RX350H.
The most listed brands for 2026 Lexus RX350H drivetrain parts are VALVOLINE (4 parts), PENTOSIN (2 parts) and ACDELCO (1 part).
2 parts on this 2026 Lexus RX350H page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including ACDELCO 109243 (Gear Oil) and VALVOLINE VV3246 (Gear Oil). Click any part number to see every vehicle that part fits.
Gear Oil
ATF 64
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PENTOSIN | 1058113 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 1 LiterATF64 or ATF44 | View on Amazon |
| PENTOSIN | 1058215 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 5 LitersATF64 or ATF44 | View on Amazon |
Dexron
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | 109243 | 🇺🇸 US | Container Type: Plastic Container | View on Amazon |
Multi-Vehicle
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Popular | VV3246 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Max Life Multi-Vehicle or Maxlife Multi-Vehicle Full Synthetic ATF1 Quart | View on Amazon |
| VALVOLINE | 773775 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Max Life Multi-Vehicle or Maxlife Multi-Vehicle Full Synthetic ATF1 Gallon | View on Amazon |
| VALVOLINE | 881051 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Maxlife Multi-Vehicle Full Synthetic ATF5 Gallon Bay Box | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE | 899179 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Extended Protection Full Synthetic ATF1 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.
7 Gear Oil parts for the 2026 Lexus RX350H come from 3 brands — VALVOLINE, PENTOSIN and ACDELCO. The "Popular" part is ACDELCO 109243.
In the ATF 64 grade, PENTOSIN supplies 2 parts: grouped under the catalog's "ATF 64" designation — the notes column spells out what sets them apart. A representative part number is PENTOSIN 1058113.
The Dexron section lists 1 option from ACDELCO — grouped under the catalog's "Dexron" designation — the notes column spells out what sets them apart. ACDELCO 109243 is listed in this group.
The Multi-Vehicle section lists 3 options from VALVOLINE — grouped under the catalog's "Multi-Vehicle" designation — the notes column spells out what sets them apart. VALVOLINE VV3246 is listed in this group.
1 further part sits outside the graded sections, with the same engine-level match.
Listed part numbers: ACDELCO 109243, PENTOSIN 1058113 and PENTOSIN 1058215, plus the other parts above.
Buying Drivetrain Parts for a 2026 Lexus RX350H
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 2.5L L4 ELECTRIC/GAS 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 .
Frequently Asked Questions
How many drivetrain parts fit the 2026 Lexus RX350H?
Our catalog currently lists 7 drivetrain parts for the 2026 Lexus RX350H across 1 subcategory and 3 brands, covering the 2.5L L4 ELECTRIC/GAS engine. Each part is matched to the engine(s) it fits.
What are the signs of drivetrain problems on a 2026 Lexus RX350H?
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 2026 Lexus RX350H 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 2026 Lexus RX350H?
Every part on this page is matched to the 2.5L L4 ELECTRIC/GAS 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 2026 Lexus RX350H
Switch vehicle or jump to a subcategory
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.