The 2021 Acura NSX has 42 engine parts with verified fitment on this page — 21 part types and 16 brands, covering the 3.5L V6 ELECTRIC/GAS Turbocharged engine. Each part includes a manufacturer part number and application notes.
On the 2021 Acura NSX, the engine covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components. Most of the listed parts are Oil Drain Plug (5 parts), Cylinder Head Gasket (4 parts) and Oil Drain Plug Gasket (4 parts). The other 18 part types cover the remaining 29 parts.
The 2021 Acura NSX came with a single engine, the 3.5L V6 ELECTRIC/GAS Turbocharged, and every part is verified against it.
16 brands supply engine parts for the 2021 Acura NSX, led by AJUSA (20 parts), DORMAN (4 parts) and LIQUI MOLY (2 parts), plus 13 more brands.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2021 Acura NSX. 1 part has it: DORMAN 090053 (Oil Drain Plug). Each part number opens a page with every vehicle that part fits.
Conversion / Lower Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 54325400 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers lower / conversion gasket sets for oil-pan and related joints. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.
One part is listed for the 2021 Acura NSX — AJUSA 54325400.
Crankshaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 15089600 | 🇺🇸 US 🇨🇦 CA | RearCounter Clockwise | View on Amazon |
| AJUSA | 15127200 | 🇺🇸 US 🇨🇦 CA | FrontClockwise | View on Amazon |
This table covers the front and rear seals that keep oil in at the crankshaft. 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.
2 Crankshaft Seal parts for the 2021 Acura NSX come from AJUSA.
Part numbers include AJUSA 15089600 and AJUSA 15127200.
Cylinder Head Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 81083800 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the bolts that clamp the cylinder head to the block.
One part is listed for the 2021 Acura NSX — AJUSA 81083800.
Cylinder Head Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 10267900 | 🇺🇸 US 🇨🇦 CA | Multi Layered Steel | View on Amazon |
| AJUSA | 10268000 | 🇺🇸 US 🇨🇦 CA | Multi Layered Steel | View on Amazon |
| AJUSA | 52623400 | 🇺🇸 US 🇨🇦 CA | Right | View on Amazon |
| AJUSA | 52623500 | 🇺🇸 US 🇨🇦 CA | Left | View on Amazon |
This table covers the head gaskets that seal the block to the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
AJUSA supplies the 4 Cylinder Head Gasket parts for the 2021 Acura NSX.
This group includes AJUSA 10267900, AJUSA 10268000 and AJUSA 52623400 and the remaining parts above.
Cylinder Head Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 52623300 | 🇺🇸 US 🇨🇦 CA | Complete Set | View on Amazon |
This table covers multi-piece gasket sets for a cylinder-head job. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.
One part is listed for the 2021 Acura NSX — AJUSA 52623300.
Engine Cover Grommet
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 49932 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Engine Cover grommets.
This group shows a single part: DORMAN 49932.
Engine Kit Gasket Set
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 50556700 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers full gasket kits covering the joints opened in an engine rebuild. Typical signs include the leaks that sent the engine or gearbox to the bench. Use every gasket the set is meant for that opening — leftover unused pieces usually belong to another configuration.
One part is listed for the 2021 Acura NSX — AJUSA 50556700.
Fuel Pump Camshaft Follower
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | GDF101 | 🇺🇸 US 🇨🇦 CA | O.E.M. Replacement: Yes | View on Amazon |
This table covers the followers that drive a mechanical fuel pump off the camshaft.
One part is listed for the 2021 Acura NSX — STANDARD MOTOR PRODUCTS GDF101.
Intake Manifold Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 13336200 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| AJUSA | 77061900 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the gaskets between the intake manifold and the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
AJUSA supplies both parts for the 2021 Acura NSX.
Listed part numbers: AJUSA 13336200 and AJUSA 77061900.
Oil
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| LIQUI MOLY | 2049 | 🇺🇸 US 🇨🇦 CA | Synthoil Energy A40 SAE 0W-401 Liter | View on Amazon |
| LIQUI MOLY | 2050 | 🇺🇸 US 🇨🇦 CA | Synthoil Energy A40 SAE 0W-405 Liter | View on Amazon |
This table covers the engine oils listed by grade and specification for this engine. Typical signs include a low-oil lamp, knocking after a long interval, or oil that has gone thin and black well before the next service. Match the viscosity and spec in the notes (and on the filler cap). The tables group grades — they are not interchangeable.
2 Oil parts for the 2021 Acura NSX come from LIQUI MOLY.
Listed part numbers: LIQUI MOLY 2049 and LIQUI MOLY 2050.
Oil Cooler Mounting Kit
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HAYDEN | 238 | 🇺🇸 US 🇨🇦 CA | Rubber Block Mounting Kit for Heavy Duty Oil Cooler | View on Amazon |
| HAYDEN | 153 | 🇺🇸 US 🇨🇦 CA | Metal Mounting Bracket Kit for Heavy Duty Oil Cooler | View on Amazon |
This table covers the Oil Cooler Mounting kits.
HAYDEN supplies both parts for the 2021 Acura NSX.
This group includes HAYDEN 238 and HAYDEN 153.
Oil Drain Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN Popular | 090053 | 🇺🇸 US 🇨🇦 CA | MetalPilot Point | View on Amazon |
| ACKOJA | A260253 | 🇺🇸 US 🇨🇦 CA | with OE No. 90009R70A00 | View on Amazon |
| DORMAN | 090033 | 🇺🇸 US 🇨🇦 CA | StandardM14-1.50 | View on Amazon |
| REIN | HWU0110 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| SKP | SK090053CD | 🇺🇸 US 🇨🇦 CA | Metal | View on Amazon |
This table covers the drain plugs in the oil pan.
5 Oil Drain Plug parts for the 2021 Acura NSX come from 4 brands — DORMAN, ACKOJA, REIN and 1 other brand. The "Popular" part is DORMAN 090053.
Part numbers include DORMAN 090053, ACKOJA A260253 and DORMAN 090033, among others listed above.
Oil Drain Plug Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 22007400 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| DORMAN | 095144 | 🇺🇸 US 🇨🇦 CA | Aluminum | View on Amazon |
| FEL-PRO | 73346 | 🇺🇸 US 🇨🇦 CA | 0.570 (in) Inside Diameter x 0.860 (in) Outside DiameterFlat Washer | View on Amazon |
| ULTRA-POWER | 095144 | 🇺🇸 US 🇨🇦 CA | Aluminum Gasket | View on Amazon |
This table covers the crush washers and gaskets under the oil drain plug. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
4 Oil Drain Plug Gasket parts are listed for the 2021 Acura NSX, from AJUSA, DORMAN, FEL-PRO and 1 other brand.
Part numbers include AJUSA 22007400, DORMAN 095144 and FEL-PRO 73346, among others listed above.
Oil Filter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HENGST | E234HD290 | 🇺🇸 US 🇨🇦 CA | Includes Gasket SetCartridge | View on Amazon |
| MAHLE / CLEVITE | OX347D | 🇺🇸 US 🇨🇦 CA | Cartridge | View on Amazon |
| VARIOUS MFR | PG99225EX | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the oil filters that screw onto this engine's filter mount. Typical signs include low oil pressure after a service, or a filter that will not spin off because the old gasket stayed on the block. Lube the new gasket and tighten to the spec on the box; a double-gasket install dumps the sump on the first drive.
3 Oil Filter parts for the 2021 Acura NSX come from 3 brands — HENGST, MAHLE / CLEVITE and VARIOUS MFR.
This group includes HENGST E234HD290, MAHLE / CLEVITE OX347D and VARIOUS MFR PG99225EX.
Oil Filter Cover
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD | MO370 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Oil Filter covers.
One part is listed for the 2021 Acura NSX — MOTORAD MO370.
Turbocharger Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | JTC12683 | 🇺🇸 US 🇨🇦 CA | Mounting Gasket Set | View on Amazon |
This table covers the gaskets that seal the Turbocharger. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
One part is listed for the 2021 Acura NSX — AJUSA JTC12683.
Turbocharger Oil Line
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | OP11366 | 🇺🇸 US 🇨🇦 CA | Left SideSupply Tube | View on Amazon |
| AJUSA | OP11369 | 🇺🇸 US 🇨🇦 CA | Right SideSupply Tube | View on Amazon |
This table covers the Turbocharger Oil lines. Typical signs include a wet fitting, a rusted pipe, or a pressure loss in this circuit. Flare or thread the new line the way the notes specify; a kinked replacement will fail early.
2 Turbocharger Oil Line parts for the 2021 Acura NSX come from AJUSA.
Listed part numbers: AJUSA OP11366 and AJUSA OP11369.
Valve Cover Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 56093300 | 🇺🇸 US 🇨🇦 CA | Right | View on Amazon |
| AJUSA | 56093400 | 🇺🇸 US 🇨🇦 CA | Left | View on Amazon |
This table covers the gaskets that seal the valve cover to the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
2 Valve Cover Gasket parts for the 2021 Acura NSX come from AJUSA.
Part numbers include AJUSA 56093300 and AJUSA 56093400.
Valve Spring Retainer Keeper
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MELLING | VL1060 | 🇺🇸 US 🇨🇦 CA | Valve Stem Diameter: 0.215 in | View on Amazon |
This table covers the keepers that lock each valve-spring retainer to the stem.
One part is listed for the 2021 Acura NSX — MELLING VL1060.
Valve Stem Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 12014300 | 🇺🇸 US 🇨🇦 CA | Exhaust5 x 10.9 x 10 | View on Amazon |
| AJUSA | 57059800 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FEL-PRO | SS702832 | 🇺🇸 US 🇨🇦 CA | Set | View on Amazon |
| MAHLE / CLEVITE | SS45626 | 🇺🇸 US 🇨🇦 CA | SetMetal with Molded Rubber | View on Amazon |
This table covers the seals on each valve stem that control oil into the guides. 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.
4 Valve Stem Seal parts for the 2021 Acura NSX come from 3 brands — AJUSA, FEL-PRO and MAHLE / CLEVITE.
Listed part numbers: AJUSA 12014300, AJUSA 57059800 and FEL-PRO SS702832, plus the other parts above.
Variable Valve Timing (VVT) Sprocket Bolt
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CLOYES | VCB132 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Variable Valve Timing (VVT) Sprocket bolts.
One part is listed for the 2021 Acura NSX — CLOYES VCB132.
Buying Engine Parts for a 2021 Acura NSX
On this vehicle, the engine covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components.
- 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 seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Oil Drain Plug and Cylinder Head Gasket .
Frequently Asked Questions
How many engine parts fit the 2021 Acura NSX?
Our catalog currently lists 42 engine parts for the 2021 Acura NSX across 21 subcategories and 16 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 engine problems on a 2021 Acura NSX?
Common symptoms include oil spots under the vehicle, blue or white exhaust smoke, ticking from the valvetrain, or coolant mysteriously disappearing. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What oil viscosity is listed for the 2021 Acura NSX?
Oil rows on this page include SAE 0W-40. Confirm the engine and the weight on the filler cap before you buy — high-mileage and standard fills can differ.
What should I replace at the same time?
Where labor overlaps, replace the seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.
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 engine hard parts are unforgiving of guesswork — confirm the casting or engine code before ordering, because one model year can hide two different blocks. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2021 Acura NSX
Engine Parts for Other Acura NSX Years
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