This page lists one drivetrain part for the 2026 Lexus RX500H: a Gear Oil from IDEMITSU, matched to the 2.4L L4 ELECTRIC/GAS Turbocharged — the only engine offered in the 2026 Lexus RX500H.
On the 2026 Lexus RX500H, the drivetrain system moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware.
The part number opens a page with every vehicle that part fits.
Gear Oil
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| IDEMITSU | 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.
One part is listed for the 2026 Lexus RX500H — IDEMITSU 30305024750.
Buying Drivetrain Parts for a 2026 Lexus RX500H
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 2.4L L4 ELECTRIC/GAS Turbocharged 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 RX500H?
This page lists one drivetrain part for the 2026 Lexus RX500H: a Gear Oil from IDEMITSU, covering the 2.4L L4 ELECTRIC/GAS Turbocharged engine.
What are the signs of drivetrain problems on a 2026 Lexus RX500H?
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 RX500H 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 RX500H?
Every part on this page is matched to the 2.4L L4 ELECTRIC/GAS Turbocharged 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 RX500H
Drivetrain Parts for Other Lexus RX500H Years
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