41 Electrical switch & relay parts are listed for the 2021 Nissan Armada, in 13 part types, covering the 5.6L V8 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2021 Nissan Armada, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches. Most of the listed parts are Brake Light Switch (6 parts), Power Window Switch (6 parts) and Headlamp Switch (4 parts). The other 10 part types cover the remaining 25 parts.
The 2021 Nissan Armada came with a single engine, the 5.6L V8, and every part is verified against it.
12 brands supply electrical switch & relay parts for the 2021 Nissan Armada, led by WELLS (19 parts), STANDARD MOTOR PRODUCTS (10 parts) and UAC (3 parts), plus 9 more brands. Quality grades include Economy and Standard Replacement.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2021 Nissan Armada. 4 parts have it, including STANDARD MOTOR PRODUCTS SLS244 (Brake Light Switch) and WELLS 1S12981 (Power Window Switch). Each part number opens a page with every vehicle that part fits.
A/C Refrigerant Pressure Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FACET | 250073 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| FOUR SEASONS | 20994 | 🇺🇸 US 🇨🇦 CA | Pressure Switch | View on Amazon |
| UAC | SW10087C | 🇺🇸 US 🇨🇦 CA | Pressure Transducer | View on Amazon |
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.
3 A/C Refrigerant Pressure Switch parts are listed for the 2021 Nissan Armada, from FACET, FOUR SEASONS and UAC.
This group includes FACET 250073, FOUR SEASONS 20994 and UAC SW10087C.
A/C System Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| UAC | RE8417 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| UAC | RE8417C | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the relays that control the A/C System 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.
UAC supplies both parts for the 2021 Nissan Armada.
This group includes UAC RE8417 and UAC RE8417C.
Brake Light Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AUTOTECNICA | NI1315881 | 🇺🇸 US 🇨🇦 CA | To 10/2020 | View on Amazon |
| BWD/NIEHOFF | S37040 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| DORMAN | 901276 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | SLS244 | 🇺🇸 US 🇨🇦 CA | Functions: Stoplight Switch | View on Amazon |
| WELLS Popular | 1S15192 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| BECK/ARNLEY | 2011962 | 🇺🇸 US 🇨🇦 CA | 4 Blade | View on Amazon |
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.
6 Brake Light Switch parts are listed for the 2021 Nissan Armada, from AUTOTECNICA, BWD/NIEHOFF, DORMAN and 3 other brands. STANDARD MOTOR PRODUCTS SLS244 carries the "Popular" badge.
In the Economy grade, AUTOTECNICA, BWD/NIEHOFF and DORMAN supply 3 parts: the catalog's value-priced group. A representative part number is AUTOTECNICA NI1315881.
The Standard Replacement section lists 3 options from STANDARD MOTOR PRODUCTS, WELLS and BECK/ARNLEY — built to original-equipment specification. STANDARD MOTOR PRODUCTS SLS244 is listed in this group.
Part numbers include STANDARD MOTOR PRODUCTS SLS244, AUTOTECNICA NI1315881 and BWD/NIEHOFF S37040, among others listed above.
Dimmer Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | CBS2318 | 🇺🇸 US 🇨🇦 CA | without Fog Lightswith Automatic Headlights | View on Amazon |
| WELLS | 1S13861 | 🇺🇸 US 🇨🇦 CA | without Fog Lightswithout Rain Sensitive Wipers | View on Amazon |
| WELLS | 1S17986 | 🇺🇸 US 🇨🇦 CA | with Fog Lightswithout Rain Sensitive Wipers | View on Amazon |
This table covers the dimmer switches that select headlamp high and low beam. 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.
3 Dimmer Switch parts for the 2021 Nissan Armada come from 2 brands — WELLS and STANDARD MOTOR PRODUCTS.
This group includes STANDARD MOTOR PRODUCTS CBS2318, WELLS 1S13861 and WELLS 1S17986.
Fog / Driving Lamp Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 1S17986 | 🇺🇸 US 🇨🇦 CA | without Rain Sensitive Wipers | View on Amazon |
This table covers the Fog / Driving Lamp 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.
This group shows a single part: WELLS 1S17986.
Headlamp Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | CBS2318 | 🇺🇸 US 🇨🇦 CA | without Fog Lightswith Automatic Headlights | View on Amazon |
| WELLS | 1S13861 | 🇺🇸 US 🇨🇦 CA | without Fog Lightswithout Rain Sensitive Wipers | View on Amazon |
| WELLS | 1S17986 | 🇺🇸 US 🇨🇦 CA | with Fog Lightswithout Rain Sensitive Wipers | View on Amazon |
| WELLS | 1S18067 | 🇺🇸 US 🇨🇦 CA | with Fog Lightswith Rain Sensitive Wipers | View on Amazon |
This table covers the column or dash switches that control the exterior 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.
4 Headlamp Switch parts for the 2021 Nissan Armada come from 2 brands — WELLS and STANDARD MOTOR PRODUCTS.
This group includes STANDARD MOTOR PRODUCTS CBS2318, WELLS 1S13861 and WELLS 1S17986 and the remaining parts above.
Horn Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | HR159T | 🇺🇸 US 🇨🇦 CA | T-Series | View on Amazon |
| STANDARD MOTOR PRODUCTS | HR159 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 1R1564 | 🇺🇸 US 🇨🇦 CA | Mounting Hardware Included: No | View on Amazon |
This table covers the relays that control the Horn 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.
3 Horn Relay parts for the 2021 Nissan Armada come from 2 brands — STANDARD MOTOR PRODUCTS and WELLS.
Listed part numbers: STANDARD MOTOR PRODUCTS HR159T, STANDARD MOTOR PRODUCTS HR159 and WELLS 1R1564.
Ignition Starter Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 1S15430 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the ignition switches that feed the starter 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.
This group shows a single part: WELLS 1S15430.
Oil Pressure Sender / Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD | 1815408 | 🇺🇸 US 🇨🇦 CA | with Black Connector | View on Amazon |
| HOLSTEIN | 2OPS0347 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 1S12021 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
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.
3 Oil Pressure Sender / Switch parts are listed for the 2021 Nissan Armada, from GPD, HOLSTEIN and WELLS.
Part numbers include GPD 1815408, HOLSTEIN 2OPS0347 and WELLS 1S12021.
Power Window Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Popular | 1S12981 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| WELLS Popular | 1S12980 | 🇺🇸 US 🇨🇦 CA | Front Right | View on Amazon |
| ROSTRA | 660454 | 🇺🇸 US 🇨🇦 CA | Rear | View on Amazon |
| STANDARD MOTOR PRODUCTS | DWS2325 | 🇺🇸 US 🇨🇦 CA | Front Left | View on Amazon |
| WELLS | 1S15559 | 🇺🇸 US 🇨🇦 CA | Rear Right | View on Amazon |
| WELLS | 1S12622 | 🇺🇸 US 🇨🇦 CA | Front Left | View on Amazon |
This table covers the switches that command each window motor. 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.
6 Power Window Switch parts are listed for the 2021 Nissan Armada, from WELLS, ROSTRA and STANDARD MOTOR PRODUCTS. WELLS 1S12981 carries the "Popular" badge.
Listed part numbers: WELLS 1S12981, WELLS 1S12980 and ROSTRA 660454, plus the other parts above.
Trunk Lid / Tailgate Release Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | LSW109 | 🇺🇸 US 🇨🇦 CA | At Liftgate | View on Amazon |
| STANDARD MOTOR PRODUCTS | DWS2222 | 🇺🇸 US 🇨🇦 CA | In Dash | View on Amazon |
This table covers the Trunk Lid / Tailgate Release 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.
2 Trunk Lid / Tailgate Release Switch parts for the 2021 Nissan Armada come from STANDARD MOTOR PRODUCTS.
Listed part numbers: STANDARD MOTOR PRODUCTS LSW109 and STANDARD MOTOR PRODUCTS DWS2222.
Turn Signal Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | CBS2318 | 🇺🇸 US 🇨🇦 CA | without Fog Lightswith Automatic Headlights | View on Amazon |
| WELLS | 1S13861 | 🇺🇸 US 🇨🇦 CA | without Fog Lightswithout Rain Sensitive Wipers | View on Amazon |
| WELLS | 1S17986 | 🇺🇸 US 🇨🇦 CA | with Fog Lightswithout Rain Sensitive Wipers | View on Amazon |
| WELLS | 1S18067 | 🇺🇸 US 🇨🇦 CA | with Fog Lightswith Rain Sensitive Wipers | View on Amazon |
This table covers the combination / turn-signal 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.
4 Turn Signal Switch parts are listed for the 2021 Nissan Armada, from WELLS and STANDARD MOTOR PRODUCTS.
This group includes STANDARD MOTOR PRODUCTS CBS2318, WELLS 1S13861 and WELLS 1S17986 and the remaining parts above.
Wiper / Washer Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | CBS2318 | 🇺🇸 US 🇨🇦 CA | without Fog Lightswith Automatic Headlights | View on Amazon |
| WELLS | 1S13861 | 🇺🇸 US 🇨🇦 CA | without Fog Lightswithout Rain Sensitive Wipers | View on Amazon |
| WELLS | 1S17986 | 🇺🇸 US 🇨🇦 CA | with Fog Lightswithout Rain Sensitive Wipers | View on Amazon |
This table covers the Wiper / Washer 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.
3 Wiper / Washer Switch parts for the 2021 Nissan Armada come from 2 brands — WELLS and STANDARD MOTOR PRODUCTS.
Part numbers include STANDARD MOTOR PRODUCTS CBS2318, WELLS 1S13861 and WELLS 1S17986.
Buying Electrical Switch & Relay Parts for a 2021 Nissan Armada
On this vehicle, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches.
- Confirm you have the 5.6L V8 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, inspect the connector terminals behind any failed switch — heat damage there will kill the new part too.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Brake Light Switch and Power Window Switch .
Frequently Asked Questions
How many electrical switch & relay parts fit the 2021 Nissan Armada?
Our catalog currently lists 41 electrical switch & relay parts for the 2021 Nissan Armada across 13 subcategories and 12 brands, covering the 5.6L V8 engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical switch & relay problems on a 2021 Nissan Armada?
Common symptoms include accessories that work intermittently, a click without action, or one function dead while its fuse tests fine. 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, inspect the connector terminals behind any failed switch — heat damage there will kill the new part too.
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 Nissan Armada 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 Nissan Armada?
Every part on this page is matched to the 5.6L V8 engine. Then swap a suspect relay with an identical known-good one from the fuse box before buying — it is the fastest diagnostic there is. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2021 Nissan Armada
Electrical Switch & Relay Parts for Other Nissan Armada Years
Switch vehicle or jump to a subcategory
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.