The 2021 Audi S8 has 29 automatic transmission parts with verified fitment on this page — 6 part types and 12 brands, covering the 4.0L V8 Turbocharged engine. Each part includes a manufacturer part number and application notes.
The automatic transmission on the 2021 Audi S8 covers the automatic gearbox and its supporting cast — filters, coolers, solenoids, mounts and torque-converter parts. The largest groups are Transmission Fluid (12 parts), Transmission Fluid Additive (6 parts) and Transmission Service Kit (5 parts). The other 3 part types cover the remaining 6 parts.
Every part on this page is matched to the 4.0L V8 Turbocharged — the only engine offered in the 2021 Audi S8.
The most listed brands for 2021 Audi S8 automatic transmission parts are LUBEGARD (7 parts), VAICO (5 parts) and VALVOLINE (4 parts), plus 9 more brands. Quality grades include Multi-Vehicle, Expert Kit and Expert Kit +.
6 parts on this 2021 Audi S8 page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including ACDELCO 109243 (Transmission Fluid) and LUBEGARD 19610 (Transmission Fluid Additive). Click any part number to see every vehicle that part fits.
Filter
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ATP | B205 | 🇨🇦 CA | Premium Replacement | View on Amazon |
| HENGST | HG105HD836 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the replacement filters for this application — the table heading and notes say which circuit. Typical signs include restricted flow — long cranking, weak airflow, or dirty fluid after a short interval. Seat the new filter so it cannot bypass, and use the grade the notes call for.
2 Filter parts for the 2021 Audi S8 come from 2 brands — ATP and HENGST.
Listed part numbers: ATP B205 and HENGST HG105HD836.
Fluid Cooler
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MAHLE / CLEVITE | CLC284000P | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| NISSENS | 91521 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the heat exchangers that cool transmission fluid. Typical signs include fluid that overheats, a leak at the cooler fittings, or milky fluid that says coolant and ATF have mixed. Flush the lines when you replace a cooler. Cross-contamination is how a small leak becomes a transmission job.
2 Fluid Cooler parts for the 2021 Audi S8 come from 2 brands — MAHLE / CLEVITE and NISSENS.
This group includes MAHLE / CLEVITE CLC284000P and NISSENS 91521.
Fluid Pan
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VAICO | V104350 | 🇺🇸 US 🇲🇽 MX | From 04/30/2020 | View on Amazon |
| ZF | 1104298054 | 🇺🇸 US 🇲🇽 MX | Includes: Oil Pan Only | View on Amazon |
This table covers the pans that hold automatic-transmission fluid.
2 Fluid Pan parts are listed for the 2021 Audi S8, from VAICO and ZF.
Listed part numbers: VAICO V104350 and ZF 1104298054.
Transmission Fluid
Dexron
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ACDELCO Popular | 109243 | 🇺🇸 US | Container Type: Plastic Container | View on Amazon |
Multi-Vehicle
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOBIL Popular | 126505 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi-Vehicle ATF | View on Amazon |
| VALVOLINE Popular | VV3246 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Max Life Multi-Vehicle or Maxlife Multi-Vehicle Full Synthetic ATF1 Quart | View on Amazon |
| LIQUI MOLY | 20032 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Top Tec ATF 18001 Liter | View on Amazon |
| LIQUI MOLY | 22036 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Top Tec ATF 18005 Liter | View on Amazon |
| LIQUI MOLY | 20034 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Top TEC ATF 180020 Liter | View on Amazon |
| LUBEGARD | 69032 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 1 QuartComplete Full Synthetic ATF Fluid | View on Amazon |
| VALVOLINE | 773775 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Max Life Multi-Vehicle or Maxlife Multi-Vehicle Full Synthetic ATF1 Gallon | View on Amazon |
| VALVOLINE | 881051 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Maxlife Multi-Vehicle Full Synthetic ATF5 Gallon Bay Box | View on Amazon |
ZF Fluid
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PENTOSIN | 1058110 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 1 LiterATF8 | View on Amazon |
| PENTOSIN | 1058210 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 5 LitersATF8 | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE | 899179 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
12 Transmission Fluid parts for the 2021 Audi S8 come from 6 brands — VALVOLINE, LIQUI MOLY, PENTOSIN and 3 other brands. The "Popular" part is ACDELCO 109243.
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 8 options from VALVOLINE, LIQUI MOLY, MOBIL and 1 other brand — grouped under the catalog's "Multi-Vehicle" designation — the notes column spells out what sets them apart. MOBIL 126505 is listed in this group.
The ZF Fluid section lists 2 options from PENTOSIN — grouped under the catalog's "ZF Fluid" designation — the notes column spells out what sets them apart. PENTOSIN 1058110 is listed in this group.
1 further part sits outside the graded sections, with the same engine-level match.
Transmission Fluid Additive
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| LUBEGARD Popular | 19610 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Instant Shudder Fixx2 oz | View on Amazon |
| LUBEGARD Popular | 60902 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Automatic Transmission Fluid Protectant10 oz | View on Amazon |
| LUBEGARD | 19689 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Instant Shudder Fixx2 oz | View on Amazon |
| LUBEGARD | 63010 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum Universal ATF Protectant10 oz | View on Amazon |
| LUBEGARD | 63016 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum Universal ATF Protectant15 oz | View on Amazon |
| LUBEGARD | 63032 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Platinum Universal ATF Protectant32 oz | View on Amazon |
This table covers the conditioners and additives used with this transmission fluid.
6 Transmission Fluid Additive parts for the 2021 Audi S8 come from LUBEGARD. The "Popular" part is LUBEGARD 19610.
This group includes LUBEGARD 19610, LUBEGARD 60902 and LUBEGARD 19689 and the remaining parts above.
Transmission Service Kit
Expert Kit (Basic Kit & Transmission Fluid)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VAICO Popular | V108007 | 🇺🇸 US 🇲🇽 MX | Oil Pan, Transmission Oil (8HP 7 L), Installation HardwareFrom 30/04/2020 | View on Amazon |
| VAICO | V105541 | 🇺🇸 US 🇲🇽 MX | Oil Pan, Oil Pan Gasket, Transmission Oil (8HP 7 L), Installation Hardware | View on Amazon |
Expert Kit + (Expert Kit and Extra Oil for Rinsing)
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VAICO | V105541XXL | 🇺🇸 US 🇲🇽 MX | Includes Oil Pan, Oil Pan Gasket, Transmission Oil (8HP 10 L), Installation Hardware, Drain Plugs | View on Amazon |
| VAICO | V108007XXL | 🇺🇸 US 🇲🇽 MX | Includes: Transmission Oil Pan, Transmission Fluid | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ZF | 1104298055 | 🇺🇸 US 🇲🇽 MX | Includes: Oil Pan, 7L ZF Lifeguard Fluid 8 | View on Amazon |
This table covers the Transmission service kits.
5 Transmission Service Kit parts are listed for the 2021 Audi S8, from VAICO and ZF. VAICO V108007 carries the "Popular" badge.
The Expert Kit (Basic Kit & Transmission Fluid) section lists 2 options from VAICO — grouped under the catalog's "Expert Kit (Basic Kit & Transmission Fluid)" designation — the notes column spells out what sets them apart. VAICO V108007 is listed in this group.
In the Expert Kit + (Expert Kit and Extra Oil for Rinsing) grade, VAICO supplies 2 parts: grouped under the catalog's "Expert Kit + (Expert Kit and Extra Oil for Rinsing)" designation — the notes column spells out what sets them apart. A representative part number is VAICO V105541XXL.
1 ungrouped part is not assigned to a grade, with the same engine-level match.
This group includes VAICO V108007, VAICO V105541 and VAICO V105541XXL and the remaining parts above.
Buying Automatic Transmission Parts for a 2021 Audi S8
On this vehicle, the automatic transmission covers the automatic gearbox and its supporting cast — filters, coolers, solenoids, mounts and torque-converter parts.
- Confirm you have the 4.0L V8 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, 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 and Transmission Fluid Additive .
Frequently Asked Questions
How many automatic transmission parts fit the 2021 Audi S8?
Our catalog currently lists 29 automatic transmission parts for the 2021 Audi S8 across 6 subcategories and 12 brands, covering the 4.0L V8 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of automatic transmission problems on a 2021 Audi S8?
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 2021 Audi S8 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 Audi S8?
Every part on this page is matched to the 4.0L V8 Turbocharged engine. 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 2021 Audi S8
Automatic Transmission Parts for Other Audi S8 Years
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