Audi BMW Mercedes-Benz Porsche Volkswagen Land Rover New Arrivals Sell Your Car

Audi BMW Mercedes-Benz Porsche Volkswagen Land Rover New Arrivals Sell Your Car

Parts › Audi › S4 › 2021

Used OEM 2021 Audi S4 Parts

Filters

MY VEHICLE: 2021 Audi S4

Filter Parts By

× Clear all filters

Audio / Video (29)

Battery / Charging / Starting (16)

Brakes / ABS (61)

Other (22)

Calipers (18)

ABS Pump / Module (9)

Brake Booster (8)

Parking / Emergency Brake (3)

Master Cylinder (1)

Computers / Modules (79)

Cooling / Heating / Climate (98)

Radiator / Coolant (51)

HVAC / Climate Control (34)

Air Conditioning (13)

Electrical / Wiring (135)

Wiring / Harness (98)

Relay / Fuse (29)

Siren / Horn (8)

Engine (180)

Other (31)

Rotating Assembly (23)

Fuel (18)

Timing (16)

Exhaust (14)

Mount / Bracket (13)

Turbo / Supercharger (13)

Oil Pan / Pump (12)

Sensors (11)

Cylinder Head (11)

Evap / EGR (7)

Air / Intake (7)

Ignition / Spark (4)

Exhaust (2)

Exterior (186)

Doors (74)

Other (32)

Wiper / Washer (21)

Bumpers (13)

Hood (11)

Underbody (11)

Convertible Top / Roof (9)

Fenders (6)

Trunk / Hatch (5)

Glass (3)

Core Support (1)

Fasteners / Clips / Bolts (4)

Fuel / Emissions (4)

Interior (501)

Seats (113)

Door Parts (93)

Other (76)

Dash Parts (38)

Interior Switch (37)

Steering Wheel / Parts (34)

Trunk / Hatch (29)

Center Console (25)

Lighting (23)

Pillar Plastics / Fabrics (19)

Air Bags / Parts (8)

Sensors (6)

Lighting (12)

Suspension / Steering (64)

Suspension (32)

Control Arms (16)

Spindle / Wheel Bearing (11)

Steering (5)

Transmission / Driveline (60)

Transmission (43)

Axle / Driveshaft (8)

Differential (5)

Valve Body (4)

Wheels / Rims / Tires (13)

Agate Gray (1) Aluminum (5) Aluminum Ellipse Silver (3) Aluminum Silver (3) Aluminum Trimaran (3) Anthracite (3) Atlas Beige (45) Black (16) Black High Gloss (19) Blue Dusk (3) Burr Walnut (wood) (3) Carbon Fiber (4) Carmine Red (1) Carrara White Metallic (1) Chrome (9) Cliff Grey (36) Criollo Brown (2) Crystal Silver (5) Dark Chrome (1) Deep Black (1) Dolomite Silver (1) Flint Grey (1) Foil Silver Metallic (1) Glacier White (2) Glossy Black (7) Granite Grey (28) Graphite Grey (1) Grey (Gray) (1) Grey Oak Natural (wood grain) (1) Ibis White (4) Jet Black (1) Magma Red (3) Matador Red Metallic (1) Mercato Blue (11) Monsoon Grey Metallic (2) Moon Silver (4) Mythos Black (5) Neptune Blue (1) Oryx White (1) Pimento Beige (2) Polished Aluminum Silver (5) Pure White (1) Quantum Grey (1) Rhodium Silver Metallic (1) Rock Grey (27) Rotor Grey (9) Sabre (Black) (203) Samurai Grey (1) Satin Black (12) Scuba Blue (1) Soul (Black) (40) Stainless Steel (2) Steel Grey (2) Tango Red (10) Titanium Black (1) Titanium Grey (12) Tofana White (1) Tornado Red (1) Twilight Grey (1) Walnut Grain Brown (wood) (4)

As Is (5) Used (1446)

Front (312) Left (419) Rear (275) Right (427)

ABS / Speed Sensor (8) ABS Computer / Module (2) ABS Pump (2) ABS Pump Mount / Bracket (1) AC Compressor Screw / Bolt (3) AC Evaporator (2) AC Expansion Valve (2) AC Hoses / Lines and Fittings (6) AC Pressure Switch / Sensor (4) Air Quality Sensor (3) AirBag Computer / Module (8) AirBag Crash / Impact Sensor (3) Airbag Wire / Wiring Harness (6) Alarm Horn / Siren (7) Alternator / Generator (1) Alternator / Starter Wiring Harness (2) Alternator Bolt / Nut / Fastener (3) Alternator Mount Bracket (1) Ambient Light / Sun Sensor (3) Amp / Amplifier (4) Antenna Booster (9) Armrest / Arm Rest (19) Audio Noise Suppressor / Capacitor (1) Axle / CV Shaft (3) Axle / CV Shaft Shield (5) BCM / Body Control Modules / Computers (12) Battery Air Duct / Tube (2) Battery Cable (7) Battery Control Module / Computer (4) Battery Cover / Box (6) Battery Terminal / Junction Box (7) Battery Tray / Hold Down / Strap (4) Blank / Dummy Switch (4) Blower Motor (6) Body Trim Bolt / Screw Cap / Cover (4) Body Wire / Wiring Harness (1) Boost Control Valve / N75 / Diverter (2) Bowden Cable (2) Brake / Clutch Switch (4) Brake Booster (5) Brake Booster Bolt / Fasteners (1) Brake Booster Pressure Sensor (1) Brake Caliper (5) Brake Caliper / Carrier Bolts / Fasteners (9) Brake Caliper Carrier / Mount Bracket (7) Brake Dust / Splash Shield (5) Brake Fluid Reservoir / Tank (5) Brake Hose / Line (5) Brake Pad / Shoe (1) Brake Pedal (4) Brake Vacuum Line / Hose (2) Brake Vacuum Pump (1) Bumper Bolts (1) Bumper Mount Bracket (9) Bumper Reinforcement Bar / Bracket (2) Bumper Trim (1) Bumper Valance (3) CD / DVD Changer (3) CV Axle Flange Bolt (3) Cabin Air Filter Housing (4) Cam Shaft / Camshaft (7) Cam Shaft Bearing Cap (4) Camera Control Module (5) Camshaft Adjustment Solenoid / Gear (9) Camshaft Sensor (1) Cargo Tie Down Hooks (3) Center Console (4) Center Console Insert (3) Center Console Mount Bracket (1) Center Console Trim (26) Charcoal Fuel Vapor Canister (4) Chassis Vent (3) Child Restraint / Hook Cover / Cap (3) Cigarette Lighter (2) Climate / Temp Control Unit (8) Climate Air Temp Sensor (5) Climate Air Vent / Duct (11) Climate Control Wire / Wiring Harness (3) Clock Spring (1) Coil Spring Mount / Bushing (4) Comfort Control Module / Computer / CCM (6) Computer / Module Mount Bracket (1) Convertible Top Switch (1) Coolant / Antifreeze (1) Coolant Flange (1) Coolant Hose / Pipe / Line (24) Coolant Hose / Pipe Seal / O-Ring (1) Coolant Reservoir / Tank (3) Coolant Temp Sensor / Thermal Switch (5) Cooling Fan Misc (1) Cowl / Firewall Cover (4) Crankcase / PCV Vent Valve (1) Crankshaft (2) Crankshaft Bolt (2) Crankshaft Pulley / Harmonic Balancer (1) Crankshaft Sensor (1) Cup Holder (6) Cylinder Head Gasket (1) Dash Bracket / Mount (4) Dash Trim (28) Dash Wire / Wiring Harness (10) Dead Pedal / Foot Rest (2) Deck Lid / Trunk / Hatch (1) Diagnostic / CAN Bus / Gateway Computer / Module (10) Differential (2) Differential Control Module (1) Differential Mount Bracket (1) Dome / Map Light (7) Door Brake / Check Rod / Hinge (9) Door Control / Door Light Unit / Module (21) Door Frame (1) Door Glass (3) Door Latch (2) Door Light (21) Door Lock Actuator (10) Door Mount / Bracket (2) Door Panel (21) Door Panel Storage Area (2) Door Shell / Skin (1) Door Sill / Scuff Panel (5) Door Trim (54) Door Weather Stripping / Seal (14) Door Wire / Wiring Harness (19) Drive Select Switch (3) ESP / DTC / Traction Control Switch (3) Electric Cooling Fan (3) Electric Fan Assembly (1) Electric Vehicle Battery (2) Emergency Call Button / SOS Switch (2) Engine / Motor Mount (3) Engine / Motor Mount Bracket (10) Engine Balancer Shaft (4) Engine Bolt / Nut / Fastener (17) Engine Cooler Pipe / Line (1) Engine Cylinder Head and Parts (6) Engine Intake Air Temp Sensor (1) Engine Oil Cap (2) Engine Oil Cooler (1) Engine Oil Dipstick (3) Engine Oil Filter Housing (4) Engine Oil Level Sensor (1) Engine Oil Pan (1) Engine Oil Pump (4) Engine Sealing Plate / Cover (5) Engine Start / Stop Switch (1) Engine Timing / Cam Solenoid (1) Engine Valve / Cylinder Head Cover (2) Engine Wire / Wiring Harness (3) Evap Hoses / Lines (2) Exhaust Hardware / Clamp (2) Exhaust Manifold (1) Exhaust Motor / Servo (2) Exhaust Mount Bracket / Hanger (5) Exhaust Pipe (3) Exterior B Pillar Trim / Cover (3) Exterior Bolt / Nut / Fastener (4) Exterior C Pillar Trim / Cover (2) Exterior Door / Window Trim (4) Exterior Door Handle (14) Fender (2) Fender Emblem / Badge (1) Fender Liner (4) Fender Mount / Bracket (6) First Aid Kit (1) Flexplate (1) Floor Mats and Carpet (3) Flywheel (1) Flywheel / Flexplate Bolt (3) Fog Light Switch (8) Frame Brace / Support Bracket (4) Front Seat (28) Fuel / Gas Cap (3) Fuel Injector (3) Fuel Line (3) Fuel Pressure Sensor (4) Fuel Pump (4) Fuel Pump Delivery Computer / Module (2) Fuel Rail (2) Fuse / Relay Box (23) Fuse Box Cover (9) Gas / Fuel Door Lock Actuator (2) Gas / Fuel Filler Door (3) Gas Pedal / Accelerator Module (3) Glove Box (7) Glove Box Strut / Actuator (1) Grab Handle (10) HVAC Box Parts and Servos (4) Hatch Lift Pump / Motor Module (3) Hazard Switch (1) Head / Heads Up Display / HUD (2) Headlight / Head Lamp / Light (1) Headlight / Suspension Leveling Sensor (3) Headlight Ballast / Igniter (2) Headlight Bulb (1) Headlight Control Module / Computer (3) Headlight Switch (12) Headlight Washer Pump (1) Headliner / Roof Trim (3) Headrest (9) Heat Shield (1) Heater Bypass Valve (1) Heater Core (3) Heater Core Hose (1) High Pressure Fuel Pump / HPFP (2) Homelink / Garage Door Module (6) Hood Insulation Blanket (2) Hood Latch Release Lever / Switch (2) Hood Shock / Strut (3) Hood Stop / Adjustment Bumper (1) Hood Weather Stripping / Seal (3) Horn (1) Humidity Sensor (2) Ignition Coil / Pack (4) Illumination / Dimmer Switch (1) Instrument Cluster / Speedometer (12) Intake Manifold and Parts (4) Interior Bolt / Screw Cap / Cover (4) Interior Door Handle (6) Interior Fasteners / Clips (3) Interior Light (23) Kessy / Keyless Entry Antenna (7) Knee AirBag (3) Knee Panel (1) Knock Sensor (1) LCD Screen / Info Display (10) Lane / Park Assist Camera (3) Lane Change Assist Module / Computer (10) License Plate Light (2) License Plate Mount / Bracket (1) Light / Headlight Wire / Wiring Harness (1) Lock / Unlock Switch (10) Lower Control Arm (5) Lower Pillar (10) Lug Nut Covers (5) Lug Nuts / Bolts (3) MAP / Intake Manifold Pressure Sensor (1) MMI Center Control Unit (17) MMI Control Module / Computer (8) Mirror Switch (4) Misc Connector / Plug (37) Motion Detector / Sensor (1) Muffler (2) Multifunction Relay (8) Music Interface Cable (1) Navigation / NAV Unit (2) Navigation Wire / Wiring Harness (1) Oil Pressure Sensor (3) Oil Sump Windage Tray (2) Onboard Power Supply Control Module / Unit (10) Other / Misc Wire / Wiring Harness (62) Other Relay (5) Oxygen / O2 Sensor (3) Park Assist Sensor (2) Park Assist Switch (2) Parking Brake Cable (2) Parking Brake Switch (1) Pedal Cluster (2) Piston / Connecting Rod (8) Power Outlet (7) Power Steering Wiring Harness (2) Pressure Plate / Clutch (1) Radiator (2) Radiator / Core Support Mount Bracket (1) Radiator Coolant Hose (3) Radiator Holding Clip / Pin / Bracket (3) Radio / Stereo (1) Radio / Stereo / Amplifier Wire / Wiring Harness (3) Rain Sensor (2) Rain Tray / Water Deflector (7) Rear Bumper Cover (1) Rear Seat (10) Rear Seat Panel / Net (3) Rear View Mirror (3) Roof Antenna / Shark Fin (1) Roof Weather Stripping / Seal (1) Seat / Memory Control Module / Computer (3) Seat Adjustment Handle / Lever (3) Seat Belts (9) Seat Buckles / Receivers (5) Seat Cooling Fan (1) Seat Fasteners / Clips (2) Seat Light (1) Seat Memory Switch (1) Seat Motor (5) Seat Mount / Bracket (2) Seat Occupant Detection Module / Sensor (1) Seat Rail / Frame (3) Seat Sets (1) Seat Switch (13) Seat Trim (17) Seat Wire / Wiring Harness (11) Secondary Air Pump (1) Shifter Assembly (2) Shifter Display Unit (5) Shifter Knob / Boot (4) Side Marker Lights / Reflectors (2) Side View Mirror (4) Sound Absorber (10) Sound Generator (1) Spare Tire Air Compressor (1) Spare Tire Tie Down (3) Speaker / Subwoofer (15) Speaker Grille / Cover (19) Spindle / Knuckle (11) Stabilizer / Sway / Track Bar (1) Starter (2) Steering Column (1) Steering Column Adjustment Lever / Switch (1) Steering Column Trim (4) Steering Tie Rod (4) Steering Wheel (14) Steering Wheel AirBag (1) Steering Wheel Switch / Button (12) Stone Guard (3) Storage Tray / Card / Coin Holder (8) Strut / Shock Absorber (7) Strut / Shock Mount / Bushing (8) Strut Tower Brace (2) Sub Frame Mount / Bracket (1) Sun Roof / Glass (2) Sun Roof Switch (3) Sun Visor and Components (4) Sunroof / Sun Roof Control Module (1) Sunroof / Sun Roof Motor (2) Suspension Bolt / Nut / Fastener (5) Suspension Computer / Control Module / Air Ride (1) Sway / Stabilizer Bar End Link (5) Tail Light / Lamp (1) Tail Light Bulb (1) Tail Light Wire / Wiring Harness (6) Telephone / Telematics Control Module / Computer (11) Thermostat (3) Thermostat Housing (2) Throttle Body (1) Tie Rod Boot / Bellow (5) Timing Belt / Chain Covers (2) Timing Belt / Chain Tensioner (2) Timing Gear / Pulley (2) Tools (5) Torque Converter (1) Tow / Towing Hook (1) Transfer Case / Box (1) Transmission (1) Transmission Axle Flange (3) Transmission Case / Housing (1) Transmission Cooler Line / Pipe (7) Transmission Gear Position Switch (1) Transmission Gears and Cylinders (1) Transmission Mount (3) Transmission Mount Bracket (8) Transmission Oil Cooler (3) Transmission Oil Pan (4) Transmission Screw / Bolt / Fastener (2) Transmission Tail Shaft (1) Transmission Wire / Wiring Harness (1) Trunk / Hatch Access Panel (3) Trunk / Hatch Hinge (2) Trunk / Hatch Module (4) Trunk / Hatch Stop / Adjustment (5) Trunk / Hatch Switch (2) Trunk / Hatch Trim (7) Trunk Latch (1) Trunk Latch Cover (1) Trunk Mat / Carpet Spare Cover (1) Trunk Release Switch / Handle (3) Trunk Weather Stripping / Seal (1) Turbo Mount / Bracket (2) Turbocharger (4) Turbocharger Coolant Line (2) Turbocharger Gasket (1) Turbocharger Intercooler Hose (2) Turbocharger Oil Line (3) Turbocharger Wastegate / Actuator (1) Turbocharger Wastegate / Vacuum Lines (1) USB Port / Connector (3) Underbody / Under Panel Mount Fastener (2) Underbody Panels / Skid Plate (1) Upper Control Arm (11) Upper Pillar (14) Vacuum / Crankcase Breather Hose / Line (1) Vacuum Solenoid Valve (1) Vacuum Tank / Reservoir (2) Valet Switch (2) Valve Body / Mechatronic (5) Voltage Stabilizer Module (1) Washer Hose (1) Water / Coolant Pump (8) Water Drain Hose / Line (2) Water Pump Mount Bracket (4) Wheel Bearing (7) Wheel Center Caps (4) Window Motor (8) Window Regulator (7) Window Switch (9) Windshield Sprayer / Nozzle (7) Windshield Washer Pump (4) Windshield Washer Tank / Reservoir (2) Windshield Wiper Screw / Nut Cap (2) Wiper / Turn Signal / Cruise Stalks / Switch (2) Wiper Arm (2) Wiper Motor (2) Wiper Transmission (1) Wiring Organizer / Mount Bracket (3)

Items 433-456 of 1450

Results

Auxiliary Water / Coolant Pump Bracket 8K0819147A

Auxiliary Water / Coolant Pump Bracket

OEM: 8K0819147A

Coolant / Water Hose 8W0819376E

Coolant / Water Hose

OEM: 8W0819376E

Coolant Reservoir Vent Hose 8W1122051

Coolant Reservoir Vent Hose

Starting at $10.49

Heater Coolant Hose 8W0819332E

Heater Coolant Hose

OEM: 8W0819332E

Used Only 1 left

Brake Booster Vacuum Hose / Line 8W0611931BG

Brake Booster Vacuum Hose / Line

Starting at $9.49

OEM: 8W0611931BG

Brake Booster Vacuum Hose / Line 8W1611931Q

Brake Booster Vacuum Hose / Line

OEM: 8W1611931Q

Coolant Tube / Line / Pipe 06M121083J

Coolant Tube / Line / Pipe

OEM: 06M121083J

Used Only 1 left

Engine Breather Hose / Line 06M121692AC

Engine Breather Hose / Line

OEM: 06M121692AC

Used Only 1 left

ABS / Speed Sensor / Parking Brake Wiring Harness 8W0972253

ABS / Speed Sensor / Parking Brake Wiring Harness

Starting at $22.99

Used Left, Rear

ABS / Speed Sensor / Parking Brake Wiring Harness 8W0972254

ABS / Speed Sensor / Parking Brake Wiring Harness

Starting at $27.99

Used Rear, Right

AC Hose / Line / Pipe 8W0816743D

AC Hose / Line / Pipe

OEM: 8W0816743D

Used Only 1 left

AC Hose / Line / Pipe 8W1816720G

AC Hose / Line / Pipe

Starting at $15.99

OEM: 8W1816720G

Coolant Breather Line / Tube 8W1121081AK

Coolant Breather Line / Tube

OEM: 8W1121081AK

Coolant Hose / Line 8W0819337

Coolant Hose / Line

Starting at $8.99

Coolant Hose / Line 8W0122448S

Coolant Hose / Line

OEM: 8W0122448S

Coolant Reservoir Breather Hose / Line 8W1121081BK

Coolant Reservoir Breather Hose / Line

Starting at $13.99

OEM: 8W1121081BK

Engine Coolant Temperature Sensor Wiring Harness 06M971627D

Engine Coolant Temperature Sensor Wiring Harness

OEM: 06M971627D Porsche: PAB97162720

Engine Oil Dipstick Tube 06M115609L

Engine Oil Dipstick Tube

OEM: 06M115609L

Used Only 1 left

Heater Coolant Hose / Line Set 8W1819350M

Heater Coolant Hose / Line Set

Starting at $23.99

OEM: 8W1819350M

Seat Belt Warning System Wiring Harness 8W0971365B

Seat Belt Warning System Wiring Harness

OEM: 8W0971365B

Used Front, Left

Starter / Alternator Wiring Harness / Battery Cable 8W0971228AL

Starter / Alternator Wiring Harness / Battery Cable

Starting at $29.99

OEM: 8W0971228AL

Trunk Module Wiring Connector / Sensor Line 8W0962239

Trunk Module Wiring Connector / Sensor Line

Starting at $21.99

Seat Back Panel w/ Net 8S0881969L

Seat Back Panel w/ Net

Starting at $119.99

OEM: 8S0881969L

Used Front, Left, Right

Trunk Mat / Spare Tire Cover 8W5863463J

Trunk Mat / Spare Tire Cover

OEM: 8W5863463J

Used Only 1 left

Previous 1 … 17 18 19 20 21 … 61 Next

Popular 2021 Audi S4 Part Types

Other / Misc Wire / Wiring Harness 62 parts Door Trim 54 parts Misc Connector / Plug 37 parts Dash Trim 28 parts Front Seat 28 parts Center Console Trim 26 parts Coolant Hose / Pipe / Line 24 parts Fuse / Relay Box 23 parts Interior Light 23 parts Door Control / Door Light Unit / Module 21 parts Door Light 21 parts Door Panel 21 parts Armrest / Arm Rest 19 parts Door Wire / Wiring Harness 19 parts Speaker Grille / Cover 19 parts Engine Bolt / Nut / Fastener 17 parts MMI Center Control Unit 17 parts Seat Trim 17 parts Speaker / Subwoofer 15 parts Door Weather Stripping / Seal 14 parts Exterior Door Handle 14 parts Steering Wheel 14 parts Upper Pillar 14 parts Seat Switch 13 parts

★ eBay Top Rated · 100,000+ positive ratings · Hundreds of 5★ Google reviews · 400,000+ parts shipped · Family-run since 2011 · Free shipping & 30-day returns Free ground shipping to the lower 48 on standard parcels over $10. Oversized freight ships at a flat rate. 30-day returns except As-Is items. If the return is our fault, the label is on us.

Company

About
Our Salvage Yard
New Arrivals
DIY Guides
Contact
Sell Your Car

Customer Service

My Account
Shipping
Returns
Privacy Policy
Terms of Service

Visit Us

127 6th St S
Waverly, MN 55390

Mon–Thu: 8am–5pm CT
Fri: 8am–2pm CT

Popular Parts

Used BMW Parts
Used Mercedes-Benz Parts
Used Audi Parts
Used Volkswagen Parts
Used Porsche Parts
Used Land Rover Parts
Audi Coolant Hose / Pipe / Line
Audi Door Trim
Audi Other / Misc Wire / Wiring Harness
Porsche Coolant Hose / Pipe / Line
BMW Door Trim
Volkswagen Coolant Hose / Pipe / Line

© 2010–present Wolf Auto LLC · Not affiliated with any OEM