20 Electrical parts are listed for the 2021 Nissan GT-R, in 4 part types, covering the 3.8L V6 Turbocharged engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2021 Nissan GT-R, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. Most of the listed parts are Alternator / Generator (7 parts), Battery (6 parts) and Starter Motor (6 parts). The other 1 part type covers the remaining 1 part.
Every part on this page is matched to the 3.8L V6 Turbocharged — the only engine offered in the 2021 Nissan GT-R.
The most listed brands for 2021 Nissan GT-R electrical parts are REMY (4 parts), ACDELCO (2 parts) and WAI GLOBAL (2 parts), plus 9 more brands. Quality grades include Remanufactured and New.
4 parts on this 2021 Nissan GT-R page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including ACDELCO 3351281 (Alternator / Generator) and ACDELCO 51RAGM (Battery). Click any part number to see every vehicle that part fits.
Alternator / Generator
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | 3351281 | 🇺🇸 US 🇨🇦 CA | Gold | View on Amazon |
| REMY | 94673 | 🇺🇸 US 🇨🇦 CA | 150 Amps | View on Amazon |
| WAI GLOBAL | 11441N | 🇺🇸 US 🇨🇦 CA | 150 Amps | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DENSO Popular | 2104246 | 🇺🇸 US 🇨🇦 CA | Reman | View on Amazon |
| PURE ENERGY | 15066 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| REMY | 11039 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER | 11441 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
This table covers the alternators that charge the battery and run the electrical load. Typical signs include dim lights at idle, a battery lamp, or a growl from the charging pulley. Load-test the battery and inspect the belt and grounds — a bad ground mimics a failed alternator.
7 Alternator / Generator parts are listed for the 2021 Nissan GT-R, from REMY, ACDELCO, WAI GLOBAL and 3 other brands. ACDELCO 3351281 carries the "Popular" badge.
In the New grade, ACDELCO, REMY and WAI GLOBAL supply 3 parts: brand-new units rather than rebuilt ones. A representative part number is ACDELCO 3351281.
In the Remanufactured grade, DENSO, PURE ENERGY, REMY and 1 other brand supply 4 parts: factory-rebuilt units with new wear components. A representative part number is DENSO 2104246.
Listed part numbers: ACDELCO 3351281, REMY 94673 and WAI GLOBAL 11441N, plus the other parts above.
Battery
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | 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 |
| P1MAX | PMAGM51R | 🇺🇸 US 🇨🇦 CA | BCI Group 51R AGM500 CCA | 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 GT-R come from 6 brands — ACDELCO, BOSCH, DEKA and 3 other brands. The "Popular" part is ACDELCO 51RAGM.
Listed part numbers: ACDELCO 51RAGM, BOSCH S6594B and DEKA 9A51RT, plus the other parts above.
Fuse Block
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| DORMAN | 924082 | 🇺🇸 US 🇨🇦 CA | 140 AmpsBattery Fuse Only | View on Amazon |
This table covers the fuse blocks that hold this vehicle's fuses.
One part is listed for the 2021 Nissan GT-R — DORMAN 924082.
Starter Motor
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REMY | 99706 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WAI GLOBAL | 16420N | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PURE ENERGY Popular | 16024 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| FVP | 16024 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| REMY | 17541 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER | 17550 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
This table covers the starter motors that crank the engine. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor.
6 Starter Motor parts are listed for the 2021 Nissan GT-R, from REMY, WAI GLOBAL, PURE ENERGY and 2 other brands. PURE ENERGY 16024 carries the "Popular" badge.
New: 2 parts, from REMY and WAI GLOBAL. A representative part number is REMY 99706.
Remanufactured: 4 parts, from PURE ENERGY, FVP, REMY and 1 other brand. A representative part number is PURE ENERGY 16024.
Part numbers include PURE ENERGY 16024, REMY 99706 and WAI GLOBAL 16420N, among others listed above.
Buying Electrical Parts for a 2021 Nissan GT-R
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 3.8L V6 Turbocharged 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: Alternator / Generator and Battery .
Frequently Asked Questions
How many electrical parts fit the 2021 Nissan GT-R?
Our catalog currently lists 20 electrical parts for the 2021 Nissan GT-R across 4 subcategories and 12 brands, covering the 3.8L V6 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical problems on a 2021 Nissan GT-R?
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 GT-R 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 GT-R?
Every part on this page is matched to the 3.8L V6 Turbocharged 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 GT-R
Electrical Parts for Other Nissan GT-R Years
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