25 Engine parts are listed for the 2025 Audi RS6, in 13 part types, covering the 4.0L V8 Turbocharged engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2025 Audi RS6, the engine covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components. 13 parts of the 25 listed are Oil Filter (8 parts), Motor Mount (3 parts) and Oil (2 parts). The other 10 part types cover the remaining 12 parts.
Every part on this page is matched to the 4.0L V8 Turbocharged — the only engine offered in the 2025 Audi RS6.
The most listed brands for 2025 Audi RS6 engine parts are MAHLE / CLEVITE (3 parts), REIN (3 parts) and LIQUI MOLY (2 parts), plus 16 more brands. Quality grades include Standard Replacement and Economy.
2 parts on this 2025 Audi RS6 page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including HENGST E914HD398 (Oil Filter) and WIX WL10438 (Oil Filter). Click any part number to see every vehicle that part fits.
Crankshaft Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MAHLE / CLEVITE | 67830 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | PTFE (Polytetrafluoroethylene) | View on Amazon |
This table covers the front and rear seals that keep oil in at the crankshaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
One part is listed for the 2025 Audi RS6 — MAHLE / CLEVITE 67830.
Cylinder Head Gasket
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ELRING | 390813 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Gasket Design: Multilayer Steel (MLS) | View on Amazon |
This table covers the head gaskets that seal the block to the cylinder head. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for.
This group shows a single part: ELRING 390813.
Motor Mount
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| SKP | SK10215 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Rightwith Wire / Sensor | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ANCHOR | 10215 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Rightwith Wire / Sensor | View on Amazon |
| PIONEER | 610215 | 🇺🇸 US 🇨🇦 CA | Front RightHydraulic | View on Amazon |
This table covers the mounts that hold the engine to the chassis. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes.
3 Motor Mount parts are listed for the 2025 Audi RS6, from SKP, ANCHOR and PIONEER.
In the Economy grade, SKP supplies 1 part: the catalog's value-priced group. A representative part number is SKP SK10215.
The Standard Replacement section lists 2 options from ANCHOR and PIONEER — built to original-equipment specification. ANCHOR 10215 is listed in this group.
Part numbers include SKP SK10215, ANCHOR 10215 and PIONEER 610215.
Oil
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| LIQUI MOLY | 22120 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Top Tec 4110 5W-401 Liter | View on Amazon |
| LIQUI MOLY | 22122 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Top Tec 4110 5W-405 Liter | View on Amazon |
This table covers the engine oils listed by grade and specification for this engine. Typical signs include a low-oil lamp, knocking after a long interval, or oil that has gone thin and black well before the next service. Match the viscosity and spec in the notes (and on the filler cap). The tables group grades — they are not interchangeable.
LIQUI MOLY supplies both parts for the 2025 Audi RS6.
This group includes LIQUI MOLY 22120 and LIQUI MOLY 22122.
Oil Drain Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN | HWP1014 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Steel | View on Amazon |
| REIN | HWU1014 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Aluminum | View on Amazon |
This table covers the drain plugs in the oil pan.
REIN supplies both parts for the 2025 Audi RS6.
Part numbers include REIN HWP1014 and REIN HWU1014.
Oil Filler Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD | MO153 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the caps on the oil filler neck.
One part is listed for the 2025 Audi RS6 — MOTORAD MO153.
Oil Filter
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| CHAMP / LUBER-FINER | P1074 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| ULTRA-POWER | WL10438 | 🇺🇸 US 🇨🇦 CA | OE # 06M198405F | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HENGST Popular | E914HD398 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Cartridge with Gasket Kit | View on Amazon |
| WIX Popular | WL10438 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Synthetic Media | View on Amazon |
| ACDELCO | PF702G | 🇺🇸 US 🇨🇦 CA | Gold / Professional | View on Amazon |
| FEL-PRO | OFCS2055 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Includes Cap and Filter | View on Amazon |
| MANN | HU7049Z | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Class: C | View on Amazon |
| VARIOUS MFR | PO99500EX | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Extended Life | View on Amazon |
This table covers the oil filters that screw onto this engine's filter mount. Typical signs include low oil pressure after a service, or a filter that will not spin off because the old gasket stayed on the block. Lube the new gasket and tighten to the spec on the box; a double-gasket install dumps the sump on the first drive.
8 Oil Filter parts are listed for the 2025 Audi RS6, from CHAMP / LUBER-FINER, ULTRA-POWER, HENGST and 5 other brands. HENGST E914HD398 carries the "Popular" badge.
Economy: 2 parts, from CHAMP / LUBER-FINER and ULTRA-POWER. A representative part number is CHAMP / LUBER-FINER P1074.
The Standard Replacement section: 6 options from HENGST, WIX, ACDELCO and 3 other brands. HENGST E914HD398 is listed in this group.
Listed part numbers: HENGST E914HD398, CHAMP / LUBER-FINER P1074 and ULTRA-POWER WL10438, plus the other parts above.
Oil Filter Cover
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD | MO374 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the Oil Filter covers.
This group shows a single part: MOTORAD MO374.
Oil Filter Housing
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN | HEU0119 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | To 8/12/25, with Aluminum Housing | View on Amazon |
This table covers the Oil Filter housings.
This group shows a single part: REIN HEU0119.
Oil Level Sensor Gasket / O-Ring
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| AJUSA | 01899000 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the Oil Level Sensor Gasket O-rings. Typical signs include a seep at a fitting or a housing that weeps after a service. Lube the new O-ring with the fluid it will see, and do not roll it into the groove.
One part is listed for the 2025 Audi RS6 — AJUSA 01899000.
Turbocharger Boost Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 5S15121 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | AT TURBOCHARGER | View on Amazon |
This table covers the Turbocharger Boost sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors.
This group shows a single part: WELLS 5S15121.
Valve Stem Seal
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MAHLE / CLEVITE | SS45940A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fluoroelastomer | View on Amazon |
| MAHLE / CLEVITE | SS46126 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Contains Intake and Exhaust Valve Stem Oil SealsSet | View on Amazon |
This table covers the seals on each valve stem that control oil into the guides. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again.
MAHLE / CLEVITE supplies both parts for the 2025 Audi RS6.
Part numbers include MAHLE / CLEVITE SS45940A and MAHLE / CLEVITE SS46126.
Variable Valve Timing (VVT) Solenoid / Actuator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VNE | 4022007 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Oil Control Valve for Piston Cooling | View on Amazon |
This table covers the oil-control solenoids that command the cam phasers. Typical signs include a door or range that will not move, or a click with no motion. Confirm the command signal before replacing the actuator — a failed module looks the same.
One part is listed for the 2025 Audi RS6 — VNE 4022007.
Buying Engine Parts for a 2025 Audi RS6
On this vehicle, the engine covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components.
- 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 seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Oil Filter and Motor Mount .
Frequently Asked Questions
How many engine parts fit the 2025 Audi RS6?
Our catalog currently lists 25 engine parts for the 2025 Audi RS6 across 13 subcategories and 19 brands, covering the 4.0L V8 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of engine problems on a 2025 Audi RS6?
Common symptoms include oil spots under the vehicle, blue or white exhaust smoke, ticking from the valvetrain, or coolant mysteriously disappearing. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What oil viscosity is listed for the 2025 Audi RS6?
Oil rows on this page include SAE 5W-40. Confirm the engine and the weight on the filler cap before you buy — high-mileage and standard fills can differ.
What should I replace at the same time?
Where labor overlaps, replace the seals and gaskets for anything you open up; a timing job should always include the tensioner and guides, not just the belt or chain.
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 2025 Audi RS6 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 2025 Audi RS6?
Every part on this page is matched to the 4.0L V8 Turbocharged engine. Then engine hard parts are unforgiving of guesswork — confirm the casting or engine code before ordering, because one model year can hide two different blocks. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2025 Audi RS6
Engine Parts for Other Audi RS6 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.