8 Electrical switch & relay parts are listed for the 2021 Nissan Pathfinder, in 7 part types, covering the 3.5L V6 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2021 Nissan Pathfinder, 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 Door Jamb Switch (2 parts), Dimmer Switch (1 part) and Headlamp Switch (1 part). The other 4 part types cover the remaining 4 parts.
Every part on this page is matched to the 3.5L V6 — the only engine offered in the 2021 Nissan Pathfinder.
The most listed brands for 2021 Nissan Pathfinder electrical switch & relay parts are WELLS (4 parts), ROSTRA (1 part) and STANDARD MOTOR PRODUCTS (1 part), plus 2 more brands.
Each part number listed for the 2021 Nissan Pathfinder opens a page with every vehicle that part fits.
Dimmer Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 1S17977 | 🇲🇽 MX | 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.
One part is listed for the 2021 Nissan Pathfinder — WELLS 1S17977.
Door Jamb Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA | 651395 | 🇲🇽 MX | View on Amazon | |
| STANDARD MOTOR PRODUCTS | AW1098 | 🇲🇽 MX | Front And Rear | View on Amazon |
This table covers the Door Jamb 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 Door Jamb Switch parts are listed for the 2021 Nissan Pathfinder, from ROSTRA and STANDARD MOTOR PRODUCTS.
Listed part numbers: ROSTRA 651395 and STANDARD MOTOR PRODUCTS AW1098.
Headlamp Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 1S17977 | 🇲🇽 MX | 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.
One part is listed for the 2021 Nissan Pathfinder — WELLS 1S17977.
Horn Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 1R1564 | 🇲🇽 MX | 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.
One part is listed for the 2021 Nissan Pathfinder — WELLS 1R1564.
Oil Pressure Sender / Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD | 1815408 | 🇲🇽 MX | with Black Connector | 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.
This group shows a single part: GPD 1815408.
Power Window Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 901765 | 🇲🇽 MX | Front Rightwithout Auto Up/Down | 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.
This group shows a single part: DORMAN 901765.
Turn Signal Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 1S17977 | 🇲🇽 MX | 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.
This group shows a single part: WELLS 1S17977.
Buying Electrical Switch & Relay Parts for a 2021 Nissan Pathfinder
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 3.5L 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, 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: Door Jamb Switch and Dimmer Switch .
Frequently Asked Questions
How many electrical switch & relay parts fit the 2021 Nissan Pathfinder?
Our catalog currently lists 8 electrical switch & relay parts for the 2021 Nissan Pathfinder across 7 subcategories and 5 brands, covering the 3.5L V6 engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical switch & relay problems on a 2021 Nissan Pathfinder?
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 Pathfinder 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 Pathfinder?
Every part on this page is matched to the 3.5L V6 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 Pathfinder
Electrical Switch & Relay Parts for Other Nissan Pathfinder 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.