2018 Audi S6 Parts

Our catalog shows a single engine for the 2018 Audi S6: the 4.0L V8 Turbocharged. All 1,026 parts listed for this model year are matched to it — browse them by category below.

Parts include OEM and aftermarket brands with full part numbers and application notes — position, trim and market qualifiers — so what you order matches what the factory catalog actually specifies for this vehicle.

Browse by Engine

Not sure which engine you have? Check the emissions label under the hood, your registration, or decode the VIN — the 8th character usually identifies the engine.

Parts by Category

Belt Drive Parts

7 parts · 1 subcategory · 7 brands Verified fitment Spins the accessories — serpentine and V-belts, tensioners, idlers and pulleys.

Body & Lamp Assembly Parts

86 parts · 30 subcategories · 19 brands Verified fitment Covers the exterior panels, bumpers, mirrors, lamps and the trim that keeps weather and road debris out.

Brake & Wheel Hub Parts

280 parts · 23 subcategories · 48 brands Verified fitment Handles stopping power and keeps each wheel turning true on its bearing and hub assembly.

Cooling System Parts

81 parts · 16 subcategories · 35 brands Verified fitment Keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses.

Drivetrain Parts

52 parts · 9 subcategories · 15 brands Verified fitment Moves power from transmission to wheels through axles, CV joints, driveshafts, differentials and wheel-end hardware.

Electrical Parts

64 parts · 10 subcategories · 22 brands Verified fitment Covers charging, starting and the sensors and modules the vehicle relies on, from alternator and starter to oxygen sensors.

Electrical Bulb & Socket Parts

24 parts · 8 subcategories · 7 brands Verified fitment Covers every bulb and socket on the vehicle, from headlamps to instrument-cluster illumination.

Electrical Connector Parts

18 parts · 11 subcategories · 3 brands Verified fitment Supplies the pigtails and connector bodies that terminate the vehicle harness at lamps, sensors and modules.

Electrical Switch & Relay Parts

40 parts · 14 subcategories · 12 brands Verified fitment Covers the switches, relays and flashers that route power to everything the driver touches.

Engine Parts

145 parts · 45 subcategories · 43 brands Verified fitment Covers the internals and hard parts that build compression and keep oil where it belongs — gaskets, bearings, camshafts, lifters, seals and timing components.

Exhaust & Emission Parts

61 parts · 18 subcategories · 22 brands Verified fitment Carries combustion gases out safely and keeps emissions equipment — catalytic converters, O2 sensors, EGR — doing its job.

Fuel & Air Parts

51 parts · 14 subcategories · 30 brands Verified fitment Meters fuel and air — pumps, injectors, filters, intake components and the sensors that balance the mixture.

Heat & Air Conditioning Parts

80 parts · 18 subcategories · 29 brands Verified fitment Keeps the cabin comfortable and the windshield clear through the compressor, condenser, evaporator, heater core and blower.

Ignition Parts

34 parts · 4 subcategories · 18 brands Verified fitment Delivers spark at the right moment — plugs, coils, wires, distributors and ignition modules.

Interior Parts

3 parts · 2 subcategories · 3 brands Verified fitment Covers cabin hardware — seat components, handles, switch bezels, carpet, pedals and the pieces that take daily wear.

Confirm your configuration

Other Audi S6 Years

Getting Fitment Right on the 2018 Audi S6

The 2018 Audi S6 shipped with a single engine — the 4.0L V8 Turbocharged — which keeps fitment straightforward: all 1,026 parts listed for this model year are matched to that configuration. What still deserves attention is the notes column on each part, where position (front/rear, left/right), trim and production-date qualifiers live.

OEM-grade and aftermarket brands are listed together wherever both publish fitment for the 2018 Audi S6, each with a full part number. That makes the practical workflow simple: find the subcategory, match the part number against your old part or repair quote, then choose the brand and grade that fits how the vehicle is used.

Frequently Asked Questions

How many parts fit the 2018 Audi S6?

We list 1,026 parts for the 2018 Audi S6, organized into 15 categories. Every part includes the brand, manufacturer part number and fitment notes.

Which engine does the 2018 Audi S6 have?

A single engine is listed for this model year: the 4.0L V8 Turbocharged. Every part listed for the 2018 Audi S6 is matched to it, so there's no engine ambiguity — just check the notes column for position and trim qualifiers.

Are OEM and aftermarket parts both available for the 2018 Audi S6?

Yes — parts come from original-equipment suppliers and established aftermarket brands, shown side by side with their part numbers where both cover the same fitment. Cross-referencing those numbers is how you confirm an aftermarket part genuinely replaces the OEM one.

How do I verify a part number fits my 2018 Audi S6?

Search the number on this site: the result shows the part, its brand and every configuration with published fitment. If your exact year, model appear in that list, the number is a match. The notes column carries any remaining qualifiers — position, trim or production date.

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.