2021 Acura NSX Electrical Switch & Relay Parts

This table covers the A/C Pressure Safety switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too. Read more

One part is listed for the 2021 Acura NSX — VEMO V26730082.

This table covers the pressure switches on the A/C circuit. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too. Read more

3 A/C Refrigerant Pressure Switch parts for the 2021 Acura NSX come from 3 brands — FOUR SEASONS, UAC and WELLS.

This group includes FOUR SEASONS 37312, UAC SW9970C and WELLS 5S15926.

This table covers the relays that control the Blower Motor circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

This group shows a single part: DENSO 5670003.

This table covers the pedal-mounted switch that turns on the brake lamps. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too. Read more

2 Brake Light Switch parts for the 2021 Acura NSX come from 2 brands — STANDARD MOTOR PRODUCTS and WELLS.

Listed part numbers: STANDARD MOTOR PRODUCTS SLS602 and WELLS 1S12665.

This table covers the relays that control the Daytime Running Light circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

This group shows a single part: DENSO 5670003.

This table covers the relays that control the Defroster circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

This group shows a single part: DENSO 5670003.

This table covers the relays that control the Engine Control Module circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

One part is listed for the 2021 Acura NSX — DENSO 5670003.

This table covers the relays that control the Fog / Driving Lamp circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

This group shows a single part: DENSO 5670003.

This table covers the relays that control the Fuel Pump / Circuit Opening circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

This group shows a single part: ROSTRA 600069.

This table covers the relays that control the Headlamp circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

This group shows a single part: DENSO 5670003.

This table covers the relays that control the Micro Plug circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

2 Micro Plug Relay parts for the 2021 Acura NSX come from STANDARD MOTOR PRODUCTS.

Listed part numbers: STANDARD MOTOR PRODUCTS RY465T and STANDARD MOTOR PRODUCTS RY465.

This table covers the senders and switches that report oil pressure to the gauge or lamp. Typical signs include a lamp that stays on, or a gauge that never moves. Confirm power and ground at the connector before replacing the sender or switch. Read more

5 Oil Pressure Sender / Switch parts for the 2021 Acura NSX come from 5 brands — UNITED MOTOR PRODUCTS, WALKER PRODUCTS, BECK/ARNLEY and 2 other brands. The "Popular" part is BECK/ARNLEY 2012716.

The Economy section lists 2 options from UNITED MOTOR PRODUCTS and WALKER PRODUCTS — the catalog's value-priced group. UNITED MOTOR PRODUCTS OPS229 is listed in this group.

In the Standard Replacement grade, BECK/ARNLEY, GPD and WELLS supply 3 parts: built to original-equipment specification. A representative part number is BECK/ARNLEY 2012716.

Listed part numbers: BECK/ARNLEY 2012716, UNITED MOTOR PRODUCTS OPS229 and WALKER PRODUCTS 2561021, plus the other parts above.

This table covers the relays that control the Power Steering circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

This group shows a single part: DENSO 5670003.

This table covers the relays that control the Radiator Fan circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

One part is listed for the 2021 Acura NSX — DENSO 5670003.

This table covers the relays that control the Starter Motor Control circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

One part is listed for the 2021 Acura NSX — DENSO 5670003.

This table covers the relays that control the Turn Signal circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is. Read more

One part is listed for the 2021 Acura NSX — DENSO 5670003.

This table covers the Variable Valve Timing (VVT) Oil Pressure switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too. Read more

One part is listed for the 2021 Acura NSX — AUTOTECNICA HA1319047.