The 2021 Genesis G80 has 9 electrical parts with verified fitment on this page — 3 part types and 7 brands, covering both the 2.5L L4 Turbocharged and the 3.5L V6 Turbocharged. Each part includes a manufacturer part number and application notes.
On the 2021 Genesis G80, the electrical system covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors. All 9 listed parts are Starter Motor (6 parts), Alternator / Generator (2 parts) and Fuse (1 part).
The 2021 Genesis G80 was sold with both the 2.5L L4 Turbocharged and the 3.5L V6 Turbocharged. 1 part fits every engine; the other 8 are engine-specific. Each part shows which engine(s) it fits.
7 brands supply electrical parts for the 2021 Genesis G80, led by FVP (2 parts), PURE ENERGY (2 parts) and BUSSMANN (1 part), plus 4 more brands. Quality grades include Remanufactured and New.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2021 Genesis G80. 1 part has it: PURE ENERGY 12873 (Starter Motor). Each part number opens a page with every vehicle that part fits.
Alternator / Generator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP Fits: 2.5L L4 Turbocharged | 11137 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| PURE ENERGY Fits: 2.5L L4 Turbocharged | 11137 | 🇺🇸 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.
2 Alternator / Generator parts for the 2021 Genesis G80 come from 2 brands — FVP and PURE ENERGY.
This group includes FVP 11137 and the remaining parts above.
Fuse
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BUSSMANN Fits: all 2021 G80 engines | AMI100 | 🇺🇸 US 🇨🇦 CA | Bolt-On Fuse100 Amps | 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.
One part is listed for the 2021 Genesis G80 — BUSSMANN AMI100.
Starter Motor
New
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALEO Fits: 2.5L L4 Turbocharged | 608401 | 🇺🇸 US 🇨🇦 CA | 1.4 KILOWATT | View on Amazon |
| WAI GLOBAL Fits: 2.5L L4 Turbocharged | 19363N | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Remanufactured
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PURE ENERGY Popular Fits: 2.5L L4 Turbocharged | 12873 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| FVP Fits: 2.5L L4 Turbocharged | 12873 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| REMY Fits: 2.5L L4 Turbocharged | 16466 | 🇺🇸 US 🇨🇦 CA | Remanufactured | View on Amazon |
| TERREPOWER Fits: 2.5L L4 Turbocharged | 52223 | 🇺🇸 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 for the 2021 Genesis G80 come from 6 brands — VALEO, WAI GLOBAL, PURE ENERGY and 3 other brands. The "Popular" part is PURE ENERGY 12873.
The New section lists 2 options from VALEO and WAI GLOBAL — brand-new units rather than rebuilt ones. VALEO 608401 is listed in this group.
The Remanufactured section lists 4 options from PURE ENERGY, FVP, REMY and 1 other brand — factory-rebuilt units with new wear components. PURE ENERGY 12873 is listed in this group.
This group includes PURE ENERGY 12873, VALEO 608401 and WAI GLOBAL 19363N and the remaining parts above.
Buying Electrical Parts for a 2021 Genesis G80
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.
- Match the engine first. Some electrical parts fit every engine; others are engine-specific. Each row shows which engine(s) it fits.
- 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: Starter Motor and Alternator / Generator .
Frequently Asked Questions
How many electrical parts fit the 2021 Genesis G80?
Our catalog currently lists 9 electrical parts for the 2021 Genesis G80 across 3 subcategories and 7 brands, covering both the 2.5L L4 Turbocharged and the 3.5L V6 Turbocharged. Each part is matched to the engine(s) it fits.
Do electrical parts differ between 2021 Genesis G80 engines?
Some do. 1 part fits every engine; the other 8 are engine-specific. Each row (and the filter at the top) shows which. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of electrical problems on a 2021 Genesis G80?
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 Genesis G80 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 Genesis G80?
First match the engine — each row shows which engine(s) the part fits. 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 Genesis G80
Electrical Parts for Other Genesis G80 Years
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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.