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Parts › Audi › A4 › 2021

Used OEM 2021 Audi A4 Parts

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MY VEHICLE: 2021 Audi A4

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Audio / Video (30)

Battery / Charging / Starting (19)

Brakes / ABS (60)

Other (26)

Calipers (15)

ABS Pump / Module (10)

Brake Booster (6)

Parking / Emergency Brake (3)

Computers / Modules (88)

Cooling / Heating / Climate (108)

Radiator / Coolant (59)

HVAC / Climate Control (35)

Air Conditioning (14)

Electrical / Wiring (133)

Wiring / Harness (96)

Relay / Fuse (29)

Siren / Horn (8)

Engine (315)

Other (62)

Fuel (43)

Timing (43)

Oil Pan / Pump (27)

Sensors (23)

Turbo / Supercharger (22)

Air / Intake (18)

Exhaust (17)

Mount / Bracket (17)

Rotating Assembly (17)

Evap / EGR (12)

Ignition / Spark (10)

Cylinder Head (2)

Engine Block / Assembly (2)

Exterior (190)

Doors (75)

Other (31)

Wiper / Washer (22)

Bumpers (14)

Hood (11)

Underbody (11)

Convertible Top / Roof (9)

Trunk / Hatch (7)

Fenders (6)

Glass (3)

Core Support (1)

Fasteners / Clips / Bolts (6)

Fuel / Emissions (7)

Interior (488)

Seats (115)

Door Parts (95)

Other (67)

Steering Wheel / Parts (35)

Interior Switch (34)

Dash Parts (33)

Trunk / Hatch (31)

Center Console (25)

Lighting (24)

Pillar Plastics / Fabrics (18)

Air Bags / Parts (8)

Sensors (3)

Lighting (12)

Suspension / Steering (64)

Suspension (32)

Control Arms (16)

Spindle / Wheel Bearing (11)

Steering (5)

Transmission / Driveline (61)

Transmission (41)

Axle / Driveshaft (9)

Differential (8)

Valve Body (3)

Wheels / Rims / Tires (11)

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 (18) Blue Dusk (3) Burr Walnut (wood) (3) Carbon Fiber (4) Carmine Red (1) Carrara White Metallic (1) Chrome (10) 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 (26) 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 (26) Rotor Grey (9) Sabre (Black) (205) 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 (4) Used (1596)

Front (309) Left (396) Rear (270) Right (405)

ABS / Speed Sensor (8) ABS Computer / Module (2) ABS Pump (2) ABS Pump Mount / Bracket (1) AC Compressor Mount Bracket (2) AC Compressor Screw / Bolt (5) AC Compressor and Clutch (1) 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 (3) Alternator Bolt / Nut / Fastener (5) Alternator Mount Bracket (2) Ambient Light / Sun Sensor (3) Amp / Amplifier (4) Antenna Booster (9) Armrest / Arm Rest (19) Audio Noise Suppressor / Capacitor (1) Axle / CV Shaft (4) Axle / CV Shaft Shield (5) BCM / Body Control Modules / Computers (11) Battery Air Duct / Tube (2) Battery Cable (8) 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 (4) Bowden Cable (3) Brake / Clutch Switch (4) Brake Booster (4) Brake Booster Pressure Sensor (1) Brake Caliper (4) Brake Caliper / Carrier Bolts / Fasteners (7) Brake Caliper Carrier / Mount Bracket (5) Brake Dust / Splash Shield (5) Brake Fluid Reservoir / Tank (5) Brake Hose / Line (5) Brake Pad / Shoe (1) Brake Pedal (3) Brake Vacuum Line / Hose (1) Brake Vacuum Pump (4) 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 (4) Cabin Air Filter Housing (4) Cam Shaft / Camshaft (3) Camera Control Module (5) Camshaft Adjustment Solenoid / Gear (12) Camshaft Sensor (6) 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) Convertible Top Switch (1) Coolant Flange (1) Coolant Hose / Pipe / Line (29) Coolant Reservoir / Tank (3) Coolant Temp Sensor / Thermal Switch (5) Cooling Fan Misc (1) Cowl / Firewall Cover (4) Crankcase / PCV Vent Valve (5) Crankshaft (2) Crankshaft Bolt (2) Crankshaft Pulley / Harmonic Balancer (2) Crankshaft Sensor (3) Cup Holder (6) Dash Bracket / Mount (4) Dash Trim (25) 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 (10) Door Control / Door Light Unit / Module (21) Door Frame (1) Door Glass (3) Door Latch (2) Door Light (22) 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 / Serpentine Belt (1) Drive Belt Tensioner (2) Drive Select Switch (3) ECU / Engine Control Module Housing / Cover (1) 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 (1) Engine / Motor Mount Bracket (15) Engine Air Filter Box (1) Engine Air Intake Duct (1) Engine Balancer Shaft (2) Engine Bolt / Nut / Fastener (28) Engine Control Module / ECM / ECU / DME (3) Engine Cooler Pipe / Line (2) Engine Cylinder Head and Parts (3) Engine Oil Cap (6) Engine Oil Cooler (5) Engine Oil Dipstick (3) Engine Oil Filter (2) Engine Oil Filter Housing (2) Engine Oil Level Sensor (2) Engine Oil Pan (6) Engine Oil Pump (5) Engine Plastic Cover (2) Engine Sealing Plate / Cover (4) Engine Short Block (2) Engine Start / Stop Switch (1) Engine Timing / Cam Solenoid (5) Engine Valve / Cylinder Head Cover (1) Engine Wire / Wiring Harness (8) Evap Hoses / Lines (1) Exhaust Hardware / Clamp (3) Exhaust Manifold (1) Exhaust Mount Bracket / Hanger (5) Exhaust Pipe (1) 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 (13) Fender (2) Fender Emblem / Badge (1) Fender Liner (4) Fender Mount / Bracket (6) First Aid Kit (1) Flexplate (2) Floor Mats and Carpet (3) Flywheel (4) Flywheel / Flexplate Bolt (5) Fog Light Switch (8) Frame Brace / Support Bracket (4) Front Seat (27) Fuel / Gas Cap (3) Fuel Injector (8) Fuel Line (13) Fuel Pressure Sensor (9) Fuel Pump (4) Fuel Pump Delivery Computer / Module (5) Fuel Rail (6) 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 (1) 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 (7) Heater Bypass Valve (1) Heater Core (3) Heater Core Hose (1) High Pressure Fuel Pump / HPFP (3) 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 (10) Ignition Switch w/ Key / Cylinder (1) Illumination / Dimmer Switch (1) Instrument Cluster / Speedometer (12) Intake Manifold and Parts (10) Interior Bolt / Screw Cap / Cover (4) Interior Door Handle (8) Interior Fasteners / Clips (3) Interior Light (23) Kessy / Keyless Entry Antenna (6) Knee AirBag (3) Knock Sensor (2) LCD Screen / Info Display (10) Lane / Park Assist Camera (3) Lane Change Assist Module / Computer (9) Leak Detection Pump / LDP (2) 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 (9) Lug Nut Covers (5) Lug Nuts / Bolts (2) MAF / Mass Air Flow Sensor / Meter (1) MAP / Intake Manifold Pressure Sensor (4) MMI Center Control Unit (17) MMI Control Module / Computer (8) Mirror Switch (4) Misc Connector / Plug (37) Motion Detector / Sensor (1) Multifunction Relay (8) Music Interface Cable (1) Navigation / NAV Unit (2) Navigation Wire / Wiring Harness (1) Oil Pressure Sensor (8) Onboard Power Supply Control Module / Unit (10) Other / Misc Wire / Wiring Harness (61) Other Relay (5) Oxygen / O2 Sensor (4) Park Assist Sensor (2) Park Assist Switch (2) Parking Brake Cable (2) Parking Brake Switch (1) Pedal Cluster (1) Piston / Connecting Rod (5) Power Outlet (7) Power Steering Wiring Harness (2) Pressure Plate / Clutch (1) Purge Valve (2) Radiator (3) Radiator / Core Support Mount Bracket (1) Radiator Coolant Hose (2) 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 (5) 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 (5) Steering Column (1) Steering Column Adjustment Lever / Switch (1) Steering Column Trim (4) Steering Tie Rod (4) Steering Wheel (14) Steering Wheel AirBag (2) 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) Suction Pump (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 (7) Telephone / Telematics Control Module / Computer (11) Thermostat (3) Thermostat Housing (2) Throttle Body (5) Tie Rod Boot / Bellow (5) Timing Belt / Chain (1) Timing Belt / Chain Covers (7) Timing Belt / Chain Tensioner (6) Timing Chain Guide / Rail (9) Timing Gear / Pulley (8) Tools (5) Tow / Towing Hook (1) Transfer Case / Box (2) Transfer Case / Box Motor (1) Transfer Case Control Module (1) Transmission Axle Flange (3) Transmission Case / Housing (1) Transmission Cooler Line / Pipe (3) Transmission Gear Position Switch (1) Transmission Gears and Cylinders (1) Transmission Mount (3) Transmission Mount Bracket (10) Transmission Oil Cooler (3) Transmission Oil Pan (3) Transmission Screw / Bolt / Fastener (2) Trunk / Hatch Access Panel (3) Trunk / Hatch Emblem / Badge (1) 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 (1) Turbocharger (8) Turbocharger Coolant Line (5) Turbocharger Intercooler Hose (2) Turbocharger Oil Line (8) 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 (14) Vacuum Solenoid Valve (3) Valet Switch (2) Valve Body / Mechatronic (4) Voltage Stabilizer Module (1) Washer Hose (1) Water / Coolant Pump (12) Water Drain Hose / Line (2) Water Pump Mount Bracket (1) 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 (5)

Items 433-456 of 1599

Results

Coolant Pump Union / Connector 06L121131

Coolant Pump Union / Connector

Starting at $6.99

OEM: 06L121131 Porsche: 95812113100

Engine Cylinder Head Bolt / Screw WHT008944

Engine Cylinder Head Bolt / Screw

Engine Cylinder Head Bolt / Screw Set (4) WHT008925

Engine Cylinder Head Bolt / Screw Set (4)

Engine Oil Pump Screw / Bolt Set (3)

Engine Oil Pump Screw / Bolt Set (3)

Used Only 1 left

Flywheel / Flexplate Bolt Set (8) WHT009773

Flywheel / Flexplate Bolt Set (8)

M6X16 Screw / Bolt Set (6) N10451405

M6X16 Screw / Bolt Set (6)

Used Only 1 left

Timing Chain Tensioner 06H109467BA

Timing Chain Tensioner

Starting at $14.99

OEM: 06H109467BA

Coolant / Water Pump Belt 06K121605C

Coolant / Water Pump Belt

OEM: 06K121605C

Used Only 1 left

Engine Crankcase / PCV Pressure Sensor 06H906052B

Engine Crankcase / PCV Pressure Sensor

OEM: 06H906052B Porsche: 9A7906052

Used Only 1 left

Engine Oil Cap 06Q103485D

Engine Oil Cap

Starting at $47.49

OEM: 06Q103485D

Engine Stud Mount / Ball Joint 06L103164

Engine Stud Mount / Ball Joint

Fuel Injector 06N906036A

Fuel Injector

Starting at $13.00

OEM: 06N906036A

Fuel Injector Clip Set (4) 06N133036

Fuel Injector Clip Set (4)

Hood Latch Release Lever 8W0823661D

Hood Latch Release Lever

OEM: 8W0823661D

Used Only 1 left

Oil Filter Adapter 06L115678Q

Oil Filter Adapter

Starting at $8.49

OEM: 06L115678Q

Purge Valve Bracket 06L133519E

Purge Valve Bracket

OEM: 06L133519E

Solenoid Valve 06K906283

Solenoid Valve

Seat Occupant Detection Module 4M0959339

Seat Occupant Detection Module

Used Front, Right

Sunroof / Sun Roof Motor 5TA877795

Sunroof / Sun Roof Motor

Starting at $31.49

Trunk Lid Latch 8W0827503

Trunk Lid Latch

Starting at $23.99

Wheel Center Cap 81A601170

Wheel Center Cap

O2 / Oxygen Sensor (POST CAT) 06L906265B

O2 / Oxygen Sensor (POST CAT)

OEM: 06L906265B

Trunk Stop Cap 8K5827261

Trunk Stop Cap

Transmission Valve Body / Mechatronic 0CK325031AJ

Transmission Valve Body / Mechatronic

OEM: 0CK325031AJ

Used Only 1 left

Previous 1 … 17 18 19 20 21 … 67 Next

Popular 2021 Audi A4 Part Types

Other / Misc Wire / Wiring Harness 61 parts Door Trim 54 parts Misc Connector / Plug 37 parts Coolant Hose / Pipe / Line 29 parts Engine Bolt / Nut / Fastener 28 parts Front Seat 27 parts Center Console Trim 26 parts Dash Trim 25 parts Fuse / Relay Box 23 parts Interior Light 23 parts Door Light 22 parts Door Control / Door Light Unit / Module 21 parts Door Panel 21 parts Armrest / Arm Rest 19 parts Door Wire / Wiring Harness 19 parts Speaker Grille / Cover 19 parts MMI Center Control Unit 17 parts Seat Trim 17 parts Engine / Motor Mount Bracket 15 parts Speaker / Subwoofer 15 parts Door Weather Stripping / Seal 14 parts Steering Wheel 14 parts Upper Pillar 14 parts Vacuum / Crankcase Breather Hose / Line 14 parts

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