The 2021 Nissan Leaf has 8 electrical parts with verified fitment on this page — 4 part types and 8 brands, covering the ELECTRIC engine. Each part includes a manufacturer part number and application notes.
The electrical system on the 2021 Nissan Leaf covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. The largest groups are Battery (5 parts), Battery Current Sensor (1 part) and Battery Terminal (1 part). The other 1 part type covers the remaining 1 part.
Every part on this page is matched to the ELECTRIC — the only engine offered in the 2021 Nissan Leaf.
The most listed brands for 2021 Nissan Leaf electrical parts are ACDELCO (1 part), BOSCH (1 part) and DEKA (1 part), plus 5 more brands.
Each part number listed for the 2021 Nissan Leaf opens a page with every vehicle that part fits.
Battery
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | 51RAGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 51R | View on Amazon |
| BOSCH | S6594B | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | AGM | View on Amazon |
| DEKA | 9A51RT | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | AGMIntimidator | View on Amazon |
| EXIDE | MX51R | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Marathon MaxBCI Group 51R | View on Amazon |
| FVP | P51RAGM | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum AGM | View on Amazon |
This table covers the batteries listed by group size and specification. Typical signs include slow cranking, a battery lamp, or a no-start after the vehicle sat overnight. Confirm group size and terminal layout in the notes. Clean the posts and the ground before condemning the battery.
5 Battery parts for the 2021 Nissan Leaf come from 5 brands — ACDELCO, BOSCH, DEKA and 2 other brands.
This group includes ACDELCO 51RAGM, BOSCH S6594B and DEKA 9A51RT and the remaining parts above.
Battery Current Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | BSC64 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Intelligent Battery Sensor | View on Amazon |
This table covers the Battery Current sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors.
One part is listed for the 2021 Nissan Leaf — STANDARD MOTOR PRODUCTS BSC64.
Battery Terminal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY | 2060001 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | POSITIVEFor 12 Volt Battery | View on Amazon |
This table covers the terminals and clamps that connect cables to the battery posts.
This group shows a single part: BECK/ARNLEY 2060001.
Drive Motor Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | EV001300 | 🇺🇸 US 🇲🇽 MX | S Model | View on Amazon |
This table covers the gaskets that seal the Drive Motor. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
One part is listed for the 2021 Nissan Leaf — AJUSA EV001300.
Buying Electrical Parts for a 2021 Nissan Leaf
On this vehicle, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors.
- Confirm you have the ELECTRIC 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, clean or renew the battery terminals and grounds with any charging-system repair.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Battery and Battery Current Sensor .
Frequently Asked Questions
How many electrical parts fit the 2021 Nissan Leaf?
Our catalog currently lists 8 electrical parts for the 2021 Nissan Leaf across 4 subcategories and 8 brands, covering the ELECTRIC engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical problems on a 2021 Nissan Leaf?
Common symptoms include slow cranking on cold mornings, a battery light that flickers, dim lights at idle, or a check-engine code pointing at a sensor circuit. 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, clean or renew the battery terminals and grounds with any charging-system repair.
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 Leaf 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 Leaf?
Every part on this page is matched to the ELECTRIC engine. Then test before replacing — a failed alternator and a bad ground can look identical, and sensors are frequently condemned for wiring faults. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2021 Nissan Leaf
Electrical Parts for Other Nissan Leaf 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.