8 Electrical parts are listed for the 2021 Nissan 370Z, in 3 part types, covering the 3.7L V6 engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2021 Nissan 370Z, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. All 8 listed parts are Battery (6 parts), Battery Terminal (1 part) and Speed Sensor (1 part).
Every part on this page is matched to the 3.7L V6 — the only engine offered in the 2021 Nissan 370Z.
The most listed brands for 2021 Nissan 370Z electrical parts are DEKA (1 part), ACDELCO (1 part) and BOSCH (1 part), plus 5 more brands. Quality grades include AGM and Performance AGM.
1 part on this 2021 Nissan 370Z page carries a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — DEKA 9A3585 (Battery). Click any part number to see every vehicle that part fits.
Battery
AGM (Extended Life)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DEKA Popular | 9A3585 | 🇲🇽 MX | IntimidatorAGM | View on Amazon |
| ACDELCO | 35AGM | 🇺🇸 US 🇨🇦 CA | AGMBCI Group: 35 | View on Amazon |
| BOSCH | S6523B | 🇲🇽 MX | AGMAGM | View on Amazon |
| EXIDE | MX35 | 🇲🇽 MX | Marathon MaxBCI Group 35 | View on Amazon |
| FVP | P35AGM | 🇲🇽 MX | Platinum AGMBCI Group: 35 | View on Amazon |
Performance AGM (Extended Life + Increased Power)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FULLRIVER | FT75035 | 🇲🇽 MX | BCI Group 35(Length X Width X Height) 9.45 In x 6.85 In x 8.66 In | 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.
6 Battery parts for the 2021 Nissan 370Z come from 6 brands — DEKA, ACDELCO, BOSCH and 3 other brands. The "Popular" part is DEKA 9A3585.
In the AGM (Extended Life) grade, DEKA, ACDELCO, BOSCH and 2 other brands supply 5 parts: grouped under the catalog's "AGM (Extended Life)" designation — the notes column spells out what sets them apart. A representative part number is DEKA 9A3585.
In the Performance AGM (Extended Life + Increased Power) grade, FULLRIVER supplies 1 part: grouped under the catalog's "Performance AGM (Extended Life + Increased Power)" designation — the notes column spells out what sets them apart. A representative part number is FULLRIVER FT75035.
Part numbers include DEKA 9A3585, ACDELCO 35AGM and BOSCH S6523B, among others listed above.
Battery Terminal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 926498 | 🇲🇽 MX | Positive Terminal | View on Amazon |
This table covers the terminals and clamps that connect cables to the battery posts.
This group shows a single part: DORMAN 926498.
Speed Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | SC479 | 🇲🇽 MX | Manual trans.Vehicle Speed | View on Amazon |
This table covers the speed sensors on the transmission, transfer case or ABS ring. Typical signs include a dead speedometer, harsh transmission shifts, or a code for vehicle speed. Inspect the tone wheel and the connector before replacing the sensor.
This group shows a single part: STANDARD MOTOR PRODUCTS SC479.
Buying Electrical Parts for a 2021 Nissan 370Z
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 3.7L 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, 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 Terminal .
Frequently Asked Questions
How many electrical parts fit the 2021 Nissan 370Z?
Our catalog currently lists 8 electrical parts for the 2021 Nissan 370Z across 3 subcategories and 8 brands, covering the 3.7L V6 engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical problems on a 2021 Nissan 370Z?
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 370Z 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 370Z?
Every part on this page is matched to the 3.7L V6 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 370Z
Electrical Parts for Other Nissan 370Z Years
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