11 Automatic transmission parts are listed for the 2026 Genesis G80, in 1 part type, covering both the 2.5L L4 Turbocharged and the 3.5L V6 Turbocharged. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2026 Genesis G80, the automatic transmission covers the automatic gearbox and its supporting cast — filters, coolers, solenoids, mounts and torque-converter parts. Every listed part is a Transmission Fluid.
The 2026 Genesis G80 was sold with both the 2.5L L4 Turbocharged and the 3.5L V6 Turbocharged. All 11 parts on this page fit every engine.
The most listed brands for 2026 Genesis G80 automatic transmission parts are VALVOLINE (4 parts), LIQUI MOLY (3 parts) and PENTOSIN (2 parts), plus 2 more brands.
3 parts on this 2026 Genesis G80 page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including ACDELCO 109243 (Transmission Fluid) and MOBIL 126505 (Transmission Fluid). Click any part number to see every vehicle that part fits.
Transmission Fluid
ATF 64
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PENTOSIN Fits: all 2026 G80 engines | 1058113 | 🇺🇸 US 🇨🇦 CA | 1 LiterATF64 or ATF44 | View on Amazon |
| PENTOSIN Fits: all 2026 G80 engines | 1058215 | 🇺🇸 US 🇨🇦 CA | 5 LitersATF64 or ATF44 | View on Amazon |
Dexron
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular Fits: all 2026 G80 engines | 109243 | 🇺🇸 US | Container Type: Plastic Container | View on Amazon |
Multi-Vehicle
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOBIL Popular Fits: all 2026 G80 engines | 126505 | 🇺🇸 US 🇨🇦 CA | Multi-Vehicle ATF | View on Amazon |
| VALVOLINE Popular Fits: all 2026 G80 engines | VV3246 | 🇺🇸 US 🇨🇦 CA | Max Life Multi-Vehicle or Maxlife Multi-Vehicle Full Synthetic ATF1 Quart | View on Amazon |
| LIQUI MOLY Fits: all 2026 G80 engines | 20032 | 🇺🇸 US 🇨🇦 CA | Top Tec ATF 18001 Liter | View on Amazon |
| LIQUI MOLY Fits: all 2026 G80 engines | 22036 | 🇺🇸 US 🇨🇦 CA | Top Tec ATF 18005 Liter | View on Amazon |
| LIQUI MOLY Fits: all 2026 G80 engines | 20034 | 🇺🇸 US 🇨🇦 CA | Top TEC ATF 180020 Liter | View on Amazon |
| VALVOLINE Fits: all 2026 G80 engines | 773775 | 🇺🇸 US 🇨🇦 CA | Max Life Multi-Vehicle or Maxlife Multi-Vehicle Full Synthetic ATF1 Gallon | View on Amazon |
| VALVOLINE Fits: all 2026 G80 engines | 881051 | 🇺🇸 US 🇨🇦 CA | Maxlife Multi-Vehicle Full Synthetic ATF5 Gallon Bay Box | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE Fits: all 2026 G80 engines | 899179 | 🇺🇸 US 🇨🇦 CA | Extended Protection Full Synthetic ATF1 Quart | View on Amazon |
This table covers the automatic-transmission fluids specified for this gearbox. Typical signs include harsh or delayed shifts, fluid that smells burnt, or a shudder at light throttle. Use exactly the specification in the notes. Automatic transmissions are unforgiving of the wrong fluid.
11 Transmission Fluid parts for the 2026 Genesis G80 come from 5 brands — VALVOLINE, LIQUI MOLY, PENTOSIN and 2 other brands. The "Popular" part is ACDELCO 109243. Every part fits both the 2.5L L4 Turbocharged and the 3.5L V6 Turbocharged.
In the ATF 64 grade, PENTOSIN supplies 2 parts: grouped under the catalog's "ATF 64" designation — the notes column spells out what sets them apart. A representative part number is PENTOSIN 1058113.
The Dexron section lists 1 option from ACDELCO — grouped under the catalog's "Dexron" designation — the notes column spells out what sets them apart. ACDELCO 109243 is listed in this group.
The Multi-Vehicle section lists 7 options from VALVOLINE, LIQUI MOLY and MOBIL — grouped under the catalog's "Multi-Vehicle" designation — the notes column spells out what sets them apart. MOBIL 126505 is listed in this group.
1 further part sits outside the graded sections, with the same engine-level match.
Buying Automatic Transmission Parts for a 2026 Genesis G80
On this vehicle, the automatic transmission covers the automatic gearbox and its supporting cast — filters, coolers, solenoids, mounts and torque-converter parts.
- You do not need to pick an engine: every automatic transmission part on this page fits both the 2.5L L4 Turbocharged and the 3.5L V6 Turbocharged.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the filter and pan gasket with every fluid service, and flush the cooler lines when replacing a failed unit.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Transmission Fluid .
Frequently Asked Questions
How many automatic transmission parts fit the 2026 Genesis G80?
Our catalog currently lists 11 automatic transmission parts for the 2026 Genesis G80 across 1 subcategory and 5 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 automatic transmission parts differ between 2026 Genesis G80 engines?
No. On this page every automatic transmission part fits both the 2.5L L4 Turbocharged and the 3.5L V6 Turbocharged. You do not need to pick an engine to choose the right row — use the notes for position and trim.
What are the signs of automatic transmission problems on a 2026 Genesis G80?
Common symptoms include delayed or harsh engagement, slipping under load, fluid that smells burnt, or shuddering at light throttle around 40 mph. 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, replace the filter and pan gasket with every fluid service, and flush the cooler lines when replacing a failed unit.
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 2026 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 2026 Genesis G80?
Every part on this page already fits both the 2.5L L4 Turbocharged and the 3.5L V6 Turbocharged. Then use exactly the fluid specification in the notes — automatic transmissions are the least forgiving component on the vehicle about fluid choice. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2026 Genesis G80
Automatic Transmission Parts for Other Genesis G80 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.