The 2018 Nissan Leaf has 24 electrical parts with verified fitment on this page — 8 part types and 11 brands, covering the ELECTRIC engine. Each part includes a manufacturer part number and application notes.
The electrical system on the 2018 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 Horn (13 parts), Battery (5 parts) and Automatic Headlamp Sensor (1 part). The other 5 part types cover the remaining 5 parts.
Every part on this page is matched to the ELECTRIC — the only engine offered in the 2018 Nissan Leaf.
The most listed brands for 2018 Nissan Leaf electrical parts are FIAMM (13 parts), DORMAN (2 parts) and WELLS (1 part), plus 8 more brands. Quality grades include Accessory Replacement and Standard Replacement.
3 parts on this 2018 Nissan Leaf page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including FIAMM 7210223 (Horn) and FIAMM 7200223 (Horn). Click any part number to see every vehicle that part fits.
Automatic Headlamp Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 5S15603 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
This table covers the Automatic Headlamp 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.
This group shows a single part: WELLS 5S15603.
Battery
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO | 51RAGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 51R | View on Amazon |
| BOSCH | S6594B | 🇺🇸 US 🇨🇦 CA | AGM | View on Amazon |
| DEKA | 9A51RT | 🇺🇸 US 🇨🇦 CA | AGMIntimidator | View on Amazon |
| EXIDE | MX51R | 🇺🇸 US 🇨🇦 CA | Marathon MaxBCI Group 51R | View on Amazon |
| FVP | P51RAGM | 🇺🇸 US 🇨🇦 CA | 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 2018 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 | 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 2018 Nissan Leaf — STANDARD MOTOR PRODUCTS BSC64.
Battery Terminal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BECK/ARNLEY | 2060001 | 🇺🇸 US 🇨🇦 CA | 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 🇨🇦 CA | 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 2018 Nissan Leaf — AJUSA EV001300.
Fuse
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 925160 | 🇺🇸 US 🇨🇦 CA | 40 Amp | View on Amazon |
This table covers the replacement fuses for this vehicle's fuse boxes. Typical signs include one circuit dead while its neighbor still works, or a fuse that blows again as soon as you replace it. Match amperage and fuse type. A repeat blow means a short — find it before the next fuse.
This group shows a single part: DORMAN 925160.
Fuse Block
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 956133 | 🇺🇸 US 🇨🇦 CA | 12 VoltBattery Fuse | View on Amazon |
This table covers the fuse blocks that hold this vehicle's fuses.
One part is listed for the 2018 Nissan Leaf — DORMAN 956133.
Horn
Accessory Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FIAMM Popular | 7210223 | 🇺🇸 US 🇨🇦 CA | Accessory HornFreeway Blaster | View on Amazon |
| FIAMM | 7211223 | 🇺🇸 US 🇨🇦 CA | Accessory Horn (Louder)FWY Blaster | View on Amazon |
| FIAMM | 72112 | 🇺🇸 US 🇨🇦 CA | Freeway BlasterAccessory Horn | View on Amazon |
| FIAMM | 7410024 | 🇺🇸 US 🇨🇦 CA | Accessory HornEl Grande | View on Amazon |
| FIAMM | 6602023 | 🇺🇸 US 🇨🇦 CA | Accessory HornRed | View on Amazon |
| FIAMM | 6602523 | 🇺🇸 US 🇨🇦 CA | Accessory HornChrome | View on Amazon |
| FIAMM | 6604523 | 🇺🇸 US 🇨🇦 CA | Ultimate Blast HornAccessory Horn | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FIAMM Popular | 7200223 | 🇺🇸 US 🇨🇦 CA | OE Replacement Tone2 Terminal Blade Connection (Cut off and reuse OE Connector) | View on Amazon |
| FIAMM Popular | 7201223 | 🇺🇸 US 🇨🇦 CA | OE Replacement Tone2 Terminal Connection (Cut off and reuse OE Connector) | View on Amazon |
| FIAMM | 7421122 | 🇺🇸 US 🇨🇦 CA | OE Replacement Horn KitIncludes OE Connectors & L Bracket | View on Amazon |
| FIAMM | 7421322 | 🇺🇸 US 🇨🇦 CA | OE Replacement Horn KitIncludes OE Connectors | View on Amazon |
| FIAMM | 7250622 | 🇺🇸 US 🇨🇦 CA | OE Replacement Horn KitIncludes OE Connectors & L Bracket | View on Amazon |
| FIAMM | 7250522 | 🇺🇸 US 🇨🇦 CA | OE Replacement Horn KitIncludes OE Connectors & L Bracket | View on Amazon |
This table covers the horns mounted in the front of the vehicle.
13 Horn parts for the 2018 Nissan Leaf come from FIAMM. The "Popular" part is FIAMM 7210223.
The Accessory Replacement section lists 7 options from FIAMM — grouped under the catalog's "Accessory Replacement" designation — the notes column spells out what sets them apart. FIAMM 7210223 is listed in this group.
In the Standard Replacement grade, FIAMM supplies 6 parts: built to original-equipment specification. A representative part number is FIAMM 7200223.
Buying Electrical Parts for a 2018 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: Horn and Battery .
Frequently Asked Questions
How many electrical parts fit the 2018 Nissan Leaf?
Our catalog currently lists 24 electrical parts for the 2018 Nissan Leaf across 8 subcategories and 11 brands, covering the ELECTRIC engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical problems on a 2018 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 2018 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 2018 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 2018 Nissan Leaf
Electrical Parts for Other Nissan Leaf Years
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