This page lists 8 drivetrain parts for the 2021 Acura NSX, across 2 part types, covering the 3.5L V6 ELECTRIC/GAS Turbocharged engine. Every part shows its brand, manufacturer part number and fitment notes.
The drivetrain system on the 2021 Acura NSX moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware. All 8 listed parts are Gear Oil (7 parts) and Differential Ring & Pinion Spacer (1 part).
The 2021 Acura NSX came with a single engine, the 3.5L V6 ELECTRIC/GAS Turbocharged, and every part is verified against it.
4 brands supply drivetrain parts for the 2021 Acura NSX, led by VALVOLINE (4 parts), LUCAS OIL (2 parts) and DORMAN (1 part), plus 1 more brand.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2021 Acura NSX. 2 parts have it, including ACDELCO 109243 (Gear Oil) and VALVOLINE VV3246 (Gear Oil). Each part number opens a page with every vehicle that part fits.
Differential Ring & Pinion Spacer
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 541456 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Differential Ring & Pinion spacers.
This group shows a single part: DORMAN 541456.
Gear Oil
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 | Max Life Multi-Vehicle or Maxlife Multi-Vehicle Full Synthetic ATF1 Quart | View on Amazon |
| LUCAS OIL | 11255 | 🇺🇸 US 🇨🇦 CA | LOW VISCOSITY SYNTHETIC MULTI-VEHICLE AUTOMATIC TRANSMISSION FLUID1 qt | View on Amazon |
| LUCAS OIL | 18037 | 🇺🇸 US 🇨🇦 CA | Low Viscosity Synthetic Multi-Vehicle Automatic Transmission Fluid6 Gallon | View on Amazon |
| VALVOLINE | 773775 | 🇺🇸 US 🇨🇦 CA | Max Life Multi-Vehicle or Maxlife Multi-Vehicle Full Synthetic ATF1 Gallon | View on Amazon |
| VALVOLINE | 881051 | 🇺🇸 US 🇨🇦 CA | Maxlife Multi-Vehicle Full Synthetic ATF5 Gallon Bay Box | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE | 899179 | 🇺🇸 US 🇨🇦 CA | 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 are listed for the 2021 Acura NSX, from VALVOLINE, LUCAS OIL and ACDELCO. ACDELCO 109243 carries the "Popular" badge.
In the Dexron grade, ACDELCO supplies 1 part: grouped under the catalog's "Dexron" designation — the notes column spells out what sets them apart. A representative part number is ACDELCO 109243.
In the Multi-Vehicle grade, VALVOLINE and LUCAS OIL supply 5 parts: grouped under the catalog's "Multi-Vehicle" designation — the notes column spells out what sets them apart. A representative part number is VALVOLINE VV3246.
1 ungrouped part is not assigned to a grade, with the same engine-level match.
This group includes ACDELCO 109243, VALVOLINE VV3246 and LUCAS OIL 11255 and the remaining parts above.
Buying Drivetrain Parts for a 2021 Acura NSX
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 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 and Differential Ring & Pinion Spacer .
Frequently Asked Questions
How many drivetrain parts fit the 2021 Acura NSX?
Our catalog currently lists 8 drivetrain parts for the 2021 Acura NSX across 2 subcategories and 4 brands, covering the 3.5L V6 ELECTRIC/GAS Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of drivetrain problems on a 2021 Acura NSX?
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 Acura NSX 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 Acura NSX?
Every part on this page is matched to the 3.5L V6 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 2021 Acura NSX
Drivetrain Parts for Other Acura NSX 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.