The 2021 Nissan March has 9 electrical switch & relay parts with verified fitment on this page — 3 part types and 3 brands, covering the 1.6L L4 engine. Each part includes a manufacturer part number and application notes.
On the 2021 Nissan March, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches. All 9 listed parts are Brake Light Switch (5 parts), Oil Pressure Sender / Switch (3 parts) and Ignition Starter Switch (1 part).
Every part on this page is matched to the 1.6L L4 — the only engine offered in the 2021 Nissan March.
The most listed brands for 2021 Nissan March electrical switch & relay parts are STANDARD MOTOR PRODUCTS (5 parts), HOLSTEIN (3 parts) and GPD (1 part). Quality grades include Economy and Standard Replacement.
1 part on this 2021 Nissan March page carries a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — STANDARD MOTOR PRODUCTS SLS370 (Brake Light Switch). Click any part number to see every vehicle that part fits.
Brake Light Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN | 2BLS0014 | 🇲🇽 MX | Automatic trans. | View on Amazon |
| STANDARD MOTOR PRODUCTS | SLS370T | 🇲🇽 MX | T-Series | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | SLS370 | 🇲🇽 MX | Automatic trans. | View on Amazon |
| STANDARD MOTOR PRODUCTS | SLS244 | 🇲🇽 MX | Functions: Stoplight Switch | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN | 2BLS0038 | 🇲🇽 MX | Manual trans. | 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.
5 Brake Light Switch parts for the 2021 Nissan March come from 2 brands — STANDARD MOTOR PRODUCTS and HOLSTEIN. The "Popular" part is STANDARD MOTOR PRODUCTS SLS370.
The Economy section lists 2 options from HOLSTEIN and STANDARD MOTOR PRODUCTS — the catalog's value-priced group. HOLSTEIN 2BLS0014 is listed in this group.
In the Standard Replacement grade, STANDARD MOTOR PRODUCTS supplies 2 parts: built to original-equipment specification. A representative part number is STANDARD MOTOR PRODUCTS SLS370.
1 further part sits outside the graded sections, with the same engine-level match.
This group includes STANDARD MOTOR PRODUCTS SLS370, HOLSTEIN 2BLS0014 and STANDARD MOTOR PRODUCTS SLS370T and the remaining parts above.
Ignition Starter Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | US362 | 🇲🇽 MX | Finish: PlasticTerminal Gender: Male | 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.
One part is listed for the 2021 Nissan March — STANDARD MOTOR PRODUCTS US362.
Oil Pressure Sender / Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD | 1816545 | 🇲🇽 MX | with 1 Terminal(s) | View on Amazon |
| HOLSTEIN | 2OPS0373 | 🇲🇽 MX | with Gauge | View on Amazon |
| STANDARD MOTOR PRODUCTS | PS650 | 🇲🇽 MX | Terminal Gender: MaleGray | 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 for the 2021 Nissan March come from 3 brands — GPD, HOLSTEIN and STANDARD MOTOR PRODUCTS.
Part numbers include GPD 1816545, HOLSTEIN 2OPS0373 and STANDARD MOTOR PRODUCTS PS650.
Buying Electrical Switch & Relay Parts for a 2021 Nissan March
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 1.6L L4 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 Oil Pressure Sender / Switch .
Frequently Asked Questions
How many electrical switch & relay parts fit the 2021 Nissan March?
Our catalog currently lists 9 electrical switch & relay parts for the 2021 Nissan March across 3 subcategories and 3 brands, covering the 1.6L L4 engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical switch & relay problems on a 2021 Nissan March?
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 March 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 March?
Every part on this page is matched to the 1.6L L4 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 March
Electrical Switch & Relay Parts for Other Nissan March 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.