The 2001 Acura NSX has 80 cooling system parts with verified fitment on this page — 12 part types and 35 brands, covering the 3.2L V6 engine. Each part includes a manufacturer part number and application notes.
On the 2001 Acura NSX, the cooling system system keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses. Most of the listed parts are Coolant / Antifreeze (18 parts), Temperature Sender / Sensor (17 parts) and Thermostat (15 parts). The other 9 part types cover the remaining 30 parts.
Every part on this page is matched to the 3.2L V6 — the only engine offered in the 2001 Acura NSX.
The most listed brands for 2001 Acura NSX cooling system parts are MOTORAD (10 parts), BECK/ARNLEY (6 parts) and PRESTONE (5 parts), plus 32 more brands. Quality grades include Standard Replacement, Economy and Premium.
14 parts on this 2001 Acura NSX page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including FVP MV5050GAL (Coolant / Antifreeze) and SKP SK10233 (Radiator Cap). Click any part number to see every vehicle that part fits.
Coolant / Antifreeze
Compatible With All Colors
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE | AF3055 | 🇺🇸 US 🇨🇦 CA | Prime YellowAll Vehicles | View on Amazon |
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Popular | MV5050GAL | 🇺🇸 US 🇨🇦 CA | Extended LifeAll Makes / All Models | View on Amazon |
| PEAK | BQA1GAL | 🇺🇸 US 🇨🇦 CA | Blue Mountain Long LifeAll Vehicle | View on Amazon |
| PRESTONE | AF3100 | 🇺🇸 US 🇨🇦 CA | Prime Yellow - All VehiclesExtended Life | View on Amazon |
| VALVOLINE | 719009 | 🇺🇸 US 🇨🇦 CA | Multi-Vehicle Yellow1 Gallon | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Popular | AF2100 | 🇺🇸 US 🇨🇦 CA | All Vehicles10yr/300k mi | View on Amazon |
| PEAK | PKP1GAL | 🇺🇸 US 🇨🇦 CA | All Vehicles Antifreeze1 Gallon | View on Amazon |
| PEAK | PXA1GAL | 🇺🇸 US 🇨🇦 CA | 1 GallonGlobal Lifetime | View on Amazon |
| PRESTONE | AF6310 | 🇺🇸 US 🇨🇦 CA | MAX Original EquipmentAsian Blue | View on Amazon |
| PRESTONE | AFMAX | 🇺🇸 US 🇨🇦 CA | Max Universal1 Gallon | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Popular | ZXEL1 | 🇺🇸 US 🇨🇦 CA | Dex-Cool Orange1 Gallon | View on Amazon |
| VALVOLINE Popular | 861398 | 🇺🇸 US 🇨🇦 CA | Asian Vehicle Blue1 Gallon | View on Amazon |
| AISIN | ACB003 | 🇺🇸 US 🇨🇦 CA | BlueHOAT | View on Amazon |
| BECK/ARNLEY | 2521501 | 🇺🇸 US 🇨🇦 CA | Premium Extra Life BlueAsian | View on Amazon |
| BECK/ARNLEY | 2521001 | 🇺🇸 US 🇨🇦 CA | Premium Green1 Gallon | View on Amazon |
| PEAK | PAB1GAL | 🇺🇸 US 🇨🇦 CA | OET Asian Extended Life Blue1 Gallon | View on Amazon |
| PENTOSIN | 8115207 | 🇺🇸 US 🇨🇦 CA | Pentofrost A31 Gallon | View on Amazon |
| VALVOLINE | 675130 | 🇺🇸 US 🇨🇦 CA | Asian Vehicle Red1 Gallon | View on Amazon |
This table covers the engine coolants and antifreeze formulations specified for this cooling system. Typical signs include a rising temperature gauge, rusty or sludged coolant, or a heater that blows cold. Use the chemistry named in the notes. Mixing silicate, OAT and HOAT formulas can gel in the radiator.
18 Coolant / Antifreeze parts for the 2001 Acura NSX come from 7 brands — PRESTONE, PEAK, VALVOLINE and 4 other brands. The "Popular" part is FVP MV5050GAL.
In the Compatible With All Colors grade, PRESTONE supplies 1 part: grouped under the catalog's "Compatible With All Colors" designation — the notes column spells out what sets them apart. A representative part number is PRESTONE AF3055.
The Economy section lists 4 options from FVP, PEAK, PRESTONE and 1 other brand — the catalog's value-priced group. FVP MV5050GAL is listed in this group.
In the Premium grade, PRESTONE and PEAK supply 5 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is PRESTONE AF2100.
In the Standard Replacement grade, VALVOLINE, BECK/ARNLEY, AISIN and 2 other brands supply 8 parts: built to original-equipment specification. A representative part number is VALVOLINE ZXEL1.
Coolant Reservoir Cap
Locking Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD | ST16R | 🇺🇸 US 🇨🇦 CA | Safety LeverIndicator Markings Color: Blue, Red | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD | T16R | 🇺🇸 US 🇨🇦 CA | StandardIndicator Markings Color: Silver | View on Amazon |
This table covers the caps on the overflow / expansion tank. Typical signs include a leak at the neck, a cap that will not hold pressure, or a missing tether. Match the pressure rating or thread in the notes — radiator, reservoir and fuel caps are not interchangeable.
MOTORAD supplies both parts for the 2001 Acura NSX.
The Locking Replacement section lists 1 option from MOTORAD — grouped under the catalog's "Locking Replacement" designation — the notes column spells out what sets them apart. MOTORAD ST16R is listed in this group.
The Standard Replacement section: 1 option from MOTORAD. MOTORAD T16R is listed in this group.
Listed part numbers: MOTORAD ST16R and MOTORAD T16R.
Cooling System Tester Adapter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES | 31428 | 🇺🇸 US 🇨🇦 CA | May Require Spacer Number 31416 | View on Amazon |
| MOTORAD | 3124 | 🇺🇸 US 🇨🇦 CA | StandardRadiator Cap Adapter | View on Amazon |
| MOTORAD | 3125 | 🇺🇸 US 🇨🇦 CA | Standard | View on Amazon |
| STANT | 12021 | 🇺🇸 US 🇨🇦 CA | Radiator Cap/Cooling System Tester Adapter | View on Amazon |
This table covers the adapters used to pressure-test this cooling system.
4 Cooling System Tester Adapter parts for the 2001 Acura NSX come from 3 brands — MOTORAD, GATES and STANT.
This group includes GATES 31428, MOTORAD 3124 and MOTORAD 3125 and the remaining parts above.
Radiator
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TECHPRO | AC3010109 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| KOYORAD | V2032 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the radiators that dump engine heat to airflow through the core. Typical signs include overheating in traffic, a wet core, or coolant that disappears with no puddle. Replace the cap if it cannot hold the rated pressure, and bleed the system after the swap.
2 Radiator parts for the 2001 Acura NSX come from 2 brands — TECHPRO and KOYORAD.
The Economy section: 1 option from TECHPRO. TECHPRO AC3010109 is listed in this group.
Standard Replacement: 1 part, from KOYORAD. A representative part number is KOYORAD V2032.
Listed part numbers: TECHPRO AC3010109 and KOYORAD V2032.
Radiator Cap
Locking Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CALORSTAT | RC0212 | 🇺🇸 US 🇨🇦 CA | PerformanceIncludes 2 seals | View on Amazon |
| GATES | 31534 | 🇺🇸 US 🇨🇦 CA | Safety Release Radiator Cap | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP Popular | SK10233 | 🇺🇸 US 🇨🇦 CA | Pressure Rating 16 psi | View on Amazon |
| CALORSTAT | RC0027 | 🇺🇸 US 🇨🇦 CA | Includes 2 sealsMetallic | View on Amazon |
| GATES | 31336 | 🇺🇸 US 🇨🇦 CA | OE Type | View on Amazon |
This table covers the caps that hold system pressure at the radiator or reservoir neck. Typical signs include a leak at the neck, a cap that will not hold pressure, or a missing tether. Match the pressure rating or thread in the notes — radiator, reservoir and fuel caps are not interchangeable.
5 Radiator Cap parts for the 2001 Acura NSX come from 3 brands — CALORSTAT, GATES and SKP. The "Popular" part is SKP SK10233.
Locking Replacement: 2 parts, from CALORSTAT and GATES. A representative part number is CALORSTAT RC0212.
Standard Replacement: 3 parts, from SKP, CALORSTAT and GATES. A representative part number is SKP SK10233.
Part numbers include SKP SK10233, CALORSTAT RC0212 and GATES 31534, among others listed above.
Radiator Drain Petcock
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 490216 | 🇺🇸 US 🇨🇦 CA | PlasticScrew-In Type | View on Amazon |
This table covers the petcocks used to drain the radiator.
One part is listed for the 2001 Acura NSX — DORMAN 490216.
Radiator Hose
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CONTINENTAL | 62375 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
| CONTINENTAL | 62600 | 🇺🇸 US 🇨🇦 CA | Molded | View on Amazon |
This table covers the upper, lower and connecting hoses between radiator, engine and reservoir. Typical signs include swelling, cracks, a soft spot, or a leak at a clamp. Replace adjacent aged hoses while the system is drained — they share the same heat cycle.
CONTINENTAL supplies both parts for the 2001 Acura NSX.
Listed part numbers: CONTINENTAL 62375 and CONTINENTAL 62600.
Temperature Sender / Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP Popular | SK1580154 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS Popular | TX37T | 🇺🇸 US 🇨🇦 CA | T-Series | View on Amazon |
| GPD | 1711361 | 🇺🇸 US 🇨🇦 CA | with 2 Terminal(s)with M12 x 1.5 Thread | View on Amazon |
| HOLSTEIN | 2CTS0121 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS | TS172T | 🇺🇸 US 🇨🇦 CA | T-Series | View on Amazon |
| UNITED MOTOR PRODUCTS | CTS116 | 🇺🇸 US 🇨🇦 CA | Sender | View on Amazon |
| UNITED MOTOR PRODUCTS | CTS22 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| VEMO | V26720002 | 🇺🇸 US 🇨🇦 CA | Thread Size: M12 X 1.5Plug (Connector): 2 Pins | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY Popular | 1580154 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| HELLA Popular | 009107511 | 🇺🇸 US 🇨🇦 CA | Bolted | View on Amazon |
| DELPHI | TS10180 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FOUR SEASONS | 36426 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| NTK | EF0069 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS | TX37 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| STANDARD MOTOR PRODUCTS | TS172 | 🇺🇸 US 🇨🇦 CA | with Gauge | View on Amazon |
| WALKER PRODUCTS | 2111015 | 🇺🇸 US 🇨🇦 CA | Sensor Only | View on Amazon |
| WELLS | 5S1468 | 🇺🇸 US 🇨🇦 CA | Wiring Harness Included: No | View on Amazon |
This table covers the senders that report coolant temperature to the gauge or ECU. Typical signs include a gauge that sits on empty or overheat, or a lamp that does not match what the engine is doing. Rule out the cluster and the wiring before replacing the sender.
17 Temperature Sender / Sensor parts for the 2001 Acura NSX come from 13 brands — STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS, SKP and 10 other brands. The "Popular" part is SKP SK1580154.
The Economy section: 8 options from STANDARD MOTOR PRODUCTS, UNITED MOTOR PRODUCTS, SKP and 3 other brands. SKP SK1580154 is listed in this group.
Standard Replacement: 9 parts, from STANDARD MOTOR PRODUCTS, BECK/ARNLEY, HELLA and 5 other brands. A representative part number is BECK/ARNLEY 1580154.
Thermostat
Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD Popular | 5302170 | 🇺🇸 US 🇨🇦 CA | Ultra Stat | View on Amazon |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD | 7302170 | 🇺🇸 US 🇨🇦 CA | Fail-Safe | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AISIN Popular | THH017 | 🇺🇸 US 🇨🇦 CA | Includes Gasket | View on Amazon |
| MOTORAD Popular | 302170 | 🇺🇸 US 🇨🇦 CA | Standard | View on Amazon |
| ACKOJA | A26990007 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| BECK/ARNLEY | 1430845 | 🇺🇸 US 🇨🇦 CA | Seal not included. | View on Amazon |
| BECK/ARNLEY | 1430707 | 🇺🇸 US 🇨🇦 CA | Seals Not Included | View on Amazon |
| CALORSTAT | TH629778J | 🇺🇸 US 🇨🇦 CA | Includes 1 Rubber Gasket | View on Amazon |
| CALORSTAT | TH629766J | 🇺🇸 US 🇨🇦 CA | PerformanceIncludes 1 Rubber Gasket | View on Amazon |
| FACET | 78491 | 🇺🇸 US 🇨🇦 CA | Includes Gasket | View on Amazon |
| GATES | 33877 | 🇺🇸 US 🇨🇦 CA | OE Type | View on Amazon |
| JAPANESE OE | WV64BC78G1 | 🇺🇸 US 🇨🇦 CA | Tama | View on Amazon |
| JAPANESE OE | WV64BC78 | 🇺🇸 US 🇨🇦 CA | Tama | View on Amazon |
| MAHLE / CLEVITE | TX14678D | 🇺🇸 US 🇨🇦 CA | Includes Gasket or Seal | View on Amazon |
| MOTORAD | 302150 | 🇺🇸 US 🇨🇦 CA | Standard | View on Amazon |
This table covers the thermostats that open the coolant circuit at the specified temperature. Typical signs include slow warm-up, a gauge that climbs in traffic, or heat that never quite arrives. Replace the housing gasket with the thermostat and bleed the system so a trapped air pocket does not cook the new part.
15 Thermostat parts are listed for the 2001 Acura NSX, from MOTORAD, BECK/ARNLEY, CALORSTAT and 6 other brands. MOTORAD 5302170 carries the "Popular" badge.
The Heavy Duty section lists 1 option from MOTORAD — rated for severe service. MOTORAD 5302170 is listed in this group.
The Premium section: 1 option from MOTORAD. MOTORAD 7302170 is listed in this group.
The Standard Replacement section: 13 options from MOTORAD, BECK/ARNLEY, CALORSTAT and 6 other brands. AISIN THH017 is listed in this group.
Thermostat / Thermostat Housing / Water Outlet Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FEL-PRO Popular | 35162 | 🇺🇸 US 🇨🇦 CA | Thermostat Housing Gasket | View on Amazon |
| MOTORAD Popular | MG81 | 🇺🇸 US 🇨🇦 CA | Thermostat Seal | View on Amazon |
| AISIN | THP509 | 🇺🇸 US 🇨🇦 CA | Thermostat Seal | View on Amazon |
| APEX | AWO2061 | 🇺🇸 US 🇨🇦 CA | Thermostat O-RingThermostat Seal | View on Amazon |
| BECK/ARNLEY | 0390115 | 🇺🇸 US 🇨🇦 CA | Thermostat Seal | View on Amazon |
| ELRING | 463700 | 🇺🇸 US 🇨🇦 CA | material: NBR (nitrile butadiene rubber) | View on Amazon |
| FACET | 79627 | 🇺🇸 US 🇨🇦 CA | Thermostat Seal | View on Amazon |
| GATES | 33658 | 🇺🇸 US 🇨🇦 CA | Thermostat Seal - 2 3/8" x 2 11/16" x 7/32" (Grooved, Molded) | View on Amazon |
This table covers the seals at the thermostat housing and water outlet. 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.
8 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2001 Acura NSX come from 8 brands — FEL-PRO, MOTORAD, AISIN and 5 other brands. The "Popular" part is FEL-PRO 35162.
Listed part numbers: FEL-PRO 35162, MOTORAD MG81 and AISIN THP509, plus the other parts above.
Thermostat Housing / Water Outlet
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 9025116 | 🇺🇸 US 🇨🇦 CA | Thermostat Housing | View on Amazon |
| GPD | 8241505 | 🇺🇸 US 🇨🇦 CA | Water Outlet | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FOUR SEASONS | 85308 | 🇺🇸 US 🇨🇦 CA | Water Outlet | View on Amazon |
| MOTORAD | CH5308 | 🇺🇸 US 🇨🇦 CA | Water Outlet | View on Amazon |
This table covers the housings and outlets the thermostat sits in.
4 Thermostat Housing / Water Outlet parts are listed for the 2001 Acura NSX, from DORMAN, GPD, FOUR SEASONS and 1 other brand.
Economy: 2 parts, from DORMAN and GPD. A representative part number is DORMAN 9025116.
The Standard Replacement section: 2 options from FOUR SEASONS and MOTORAD. FOUR SEASONS 85308 is listed in this group.
This group includes DORMAN 9025116, GPD 8241505 and FOUR SEASONS 85308 and the remaining parts above.
Water Pump
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP | US9219 | 🇺🇸 US 🇨🇦 CA | Includes: Installation Sealing Devices | View on Amazon |
| US MOTOR WORKS | US9219 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the pumps that circulate coolant through the block and radiator. Typical signs include coolant at the weep hole, pulley play, or a growl from the front of the engine. Replace the thermostat and refill with the specified coolant whenever the pump comes off.
2 Water Pump parts are listed for the 2001 Acura NSX, from FVP and US MOTOR WORKS.
Part numbers include FVP US9219, among others listed above.
Buying Cooling System Parts for a 2001 Acura NSX
On this vehicle, the cooling system system keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses.
- Confirm you have the 3.2L 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 thermostat and refill with fresh coolant whenever you change a water pump or radiator; original hoses on an older vehicle are on borrowed time.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Coolant / Antifreeze and Temperature Sender / Sensor .
Frequently Asked Questions
How many cooling system parts fit the 2001 Acura NSX?
Our catalog currently lists 80 cooling system parts for the 2001 Acura NSX across 12 subcategories and 35 brands, covering the 3.2L V6 engine. Each part is matched to the engine(s) it fits.
What are the signs of cooling system problems on a 2001 Acura NSX?
Common symptoms include a rising temperature gauge in traffic, sweet-smelling steam, crusty deposits around hose clamps, or a heater that blows cold. 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 thermostat and refill with fresh coolant whenever you change a water pump or radiator; original hoses on an older vehicle are on borrowed time.
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 2001 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 2001 Acura NSX?
Every part on this page is matched to the 3.2L V6 engine. Then replace coolant with the exact specification the manufacturer calls for — mixing chemistries can gel and block small passages. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2001 Acura NSX
Cooling System Parts for Other Acura NSX Years
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