2021 A4 Quattro

ST Suspensions OEM Quality Ride Height Adjustable Lowering Springs for stock dampers - 273100BH

Coil Spring Lowering Kit

Description: ST Adjustable Lowering Springs provide perfect fitment whether your car is equipped with a standard or an electronic damper system. With ST Adjustable Lowering Springs, convert your stock suspension into a height adjustable system.

Item #: 273100BH

Condition: New

Available to Order

Price: $939.00

ST Suspensions OEM Quality Ride Height Adjustable Lowering Springs for stock dampers - 273100BJ

Coil Spring Lowering Kit

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Description: ST Adjustable Lowering Springs provide perfect fitment whether your car is equipped with a standard or an electronic damper system. With ST Adjustable Lowering Springs, convert your stock suspension into a height adjustable system.

Item #: 273100BJ

Condition: New

Available to Order

Price: $939.00

ST Suspensions OEM Quality Ride Height Adjustable Lowering Springs for stock dampers - 273100BM

Coil Spring Lowering Kit

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Description: ST Adjustable Lowering Springs provide perfect fitment whether your car is equipped with a standard or an electronic damper system. With ST Adjustable Lowering Springs, convert your stock suspension into a height adjustable system.

Item #: 273100BM

Condition: New

Available to Order

Price: $939.00

StopTech Cryostop Premium High Carbon Rotor; Rear

Disc Brake Rotor

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Description: Cryogenic Treatment Reduces Residual Stress Slots Helps Evacuate Gasses/Dust/Heat Directional Curve Vane Designs On Selected Apps Black E-Coated Non-Friction - Corrosion Protection Increased...More Details »

Item #: 125.33137CRY

Condition: New

Available to Order

Price: $172.89

StopTech Cryostop Premium High Carbon Rotor; Rear

Disc Brake Rotor

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Description: Cryogenic Treatment Reduces Residual Stress Slots Helps Evacuate Gasses/Dust/Heat Directional Curve Vane Designs On Selected Apps Black E-Coated Non-Friction - Corrosion Protection Increased...More Details »

Item #: 125.33127CRY

Condition: New

Available to Order

Price: $110.18

StopTech Select Sport Drilled and Slotted Brake Rotor; Rear Left

Disc Brake Rotor

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Description: Drilled/Slotted Helps Evacuate Gasses/Dust/Heat Directional Curve Vane Designs On Selected Apps Power Alloy Is Descendant Of Patented AeroRotor Black E-Coated Non-Friction - Corrosion...More Details »

Item #: 227.33137L

Condition: New

Available to Order

Price: $117.27

StopTech Select Sport Drilled and Slotted Brake Rotor; Rear Right

Disc Brake Rotor

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Description: Drilled/Slotted Helps Evacuate Gasses/Dust/Heat Directional Curve Vane Designs On Selected Apps Power Alloy Is Descendant Of Patented AeroRotor Black E-Coated Non-Friction - Corrosion...More Details »

Item #: 227.33137R

Condition: New

Available to Order

Price: $117.27

StopTech Sport Cross Drilled Brake Rotor; Rear Left

Disc Brake Rotor

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Description: Drilled/Slotted Helps Evacuate Gasses/Dust/Heat Directional Curve Vane Designs On Selected Apps Power Alloy Is Descendant Of Patented AeroRotor Black E-Coated Non-Friction - Corrosion...More Details »

Item #: 128.33137L

Condition: New

Available to Order

Price: $279.91

StopTech Sport Cross Drilled Brake Rotor; Rear Right

Disc Brake Rotor

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Description: Drilled/Slotted Helps Evacuate Gasses/Dust/Heat Directional Curve Vane Designs On Selected Apps Power Alloy Is Descendant Of Patented AeroRotor Black E-Coated Non-Friction - Corrosion...More Details »

Item #: 128.33137R

Condition: New

Available to Order

Price: $279.91

StopTech Sport Cross Drilled Brake Rotor; Rear Right

Disc Brake Rotor

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Description: Drilled/Slotted Helps Evacuate Gasses/Dust/Heat Directional Curve Vane Designs On Selected Apps Power Alloy Is Descendant Of Patented AeroRotor Black E-Coated Non-Friction - Corrosion...More Details »

Item #: 128.33127R

Condition: New

Available to Order

Price: $194.97

StopTech Sport Cross-Drilled Disc Brake Rotors

Disc Brake Rotor

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Description: Drilled/Slotted Helps Evacuate Gasses/Dust/Heat Directional Curve Vane Designs On Selected Apps Power Alloy Is Descendant Of Patented AeroRotor Black E-Coated Non-Friction - Corrosion...More Details »

Item #: 128.33160R

Condition: New

Available to Order

Price: $246.39

StopTech Sport Cross-Drilled Disc Brake Rotors

Disc Brake Rotor

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Description: Drilled/Slotted Helps Evacuate Gasses/Dust/Heat Directional Curve Vane Designs On Selected Apps Power Alloy Is Descendant Of Patented AeroRotor Black E-Coated Non-Friction - Corrosion...More Details »

Item #: 128.33160L

Condition: New

Available to Order

Price: $246.39

StopTech Sport Cryo Drilled Brake Rotor; Rear Left

Disc Brake Rotor

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Description: Drilled/Slotted Helps Evacuate Gasses/Dust/Heat Directional Curve Vane Designs On Selected Apps Power Alloy Is Descendant Of Patented AeroRotor Black E-Coated Non-Friction - Corrosion...More Details »

Item #: 128.33137CL

Condition: New

Available to Order

Price: $298.36

StopTech Sport Cryo Drilled Brake Rotor; Rear Right

Disc Brake Rotor

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Description: Drilled/Slotted Helps Evacuate Gasses/Dust/Heat Directional Curve Vane Designs On Selected Apps Power Alloy Is Descendant Of Patented AeroRotor Black E-Coated Non-Friction - Corrosion...More Details »

Item #: 128.33127CR

Condition: New

Available to Order

Price: $218.14

StopTech Sport Cryo Drilled Brake Rotor; Rear Right

Disc Brake Rotor

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Description: Drilled/Slotted Helps Evacuate Gasses/Dust/Heat Directional Curve Vane Designs On Selected Apps Power Alloy Is Descendant Of Patented AeroRotor Black E-Coated Non-Friction - Corrosion...More Details »

Item #: 128.33137CR

Condition: New

Available to Order

Price: $298.36

StopTech Sport Cryo Drilled/Slotted Brake Rotor; Rear Right

Disc Brake Rotor

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Description: Drilled/Slotted Helps Evacuate Gasses/Dust/Heat Directional Curve Vane Designs On Selected Apps Power Alloy Is Descendant Of Patented AeroRotor Black E-Coated Non-Friction - Corrosion...More Details »

Item #: 127.33127CR

Condition: New

Available to Order

Price: $184.37

StopTech Sport Drilled/Slotted Brake Rotor; Rear Left

Disc Brake Rotor

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Description: Drilled/Slotted Helps Evacuate Gasses/Dust/Heat Directional Curve Vane Designs On Selected Apps Power Alloy Is Descendant Of Patented AeroRotor Black E-Coated Non-Friction - Corrosion...More Details »

Item #: 127.33137L

Condition: New

Available to Order

Price: $227.11

StopTech Sport Drilled/Slotted Brake Rotor; Rear Right

Disc Brake Rotor

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Description: Drilled/Slotted Helps Evacuate Gasses/Dust/Heat Directional Curve Vane Designs On Selected Apps Power Alloy Is Descendant Of Patented AeroRotor Black E-Coated Non-Friction - Corrosion...More Details »

Item #: 127.33127R

Condition: New

Available to Order

Price: $159.21

StopTech Sport Drilled/Slotted Brake Rotor; Rear Right

Disc Brake Rotor

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Description: Drilled/Slotted Helps Evacuate Gasses/Dust/Heat Directional Curve Vane Designs On Selected Apps Power Alloy Is Descendant Of Patented AeroRotor Black E-Coated Non-Friction - Corrosion...More Details »

Item #: 127.33137R

Condition: New

Available to Order

Price: $227.11

StopTech Sport Slotted Brake Rotor; Rear Left

Disc Brake Rotor

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Description: Cryogenic Treatment Reduces Residual Stress Slots Helps Evacuate Gasses/Dust/Heat Directional Curve Vane Designs On Selected Apps Black E-Coated Non-Friction - Corrosion Protection Increased...More Details »

Item #: 126.33137SL

Condition: New

Available to Order

Price: $214.35

StopTech Sport Slotted Brake Rotor; Rear Right

Disc Brake Rotor

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Description: Cryogenic Treatment Reduces Residual Stress Slots Helps Evacuate Gasses/Dust/Heat Directional Curve Vane Designs On Selected Apps Black E-Coated Non-Friction - Corrosion Protection Increased...More Details »

Item #: 126.33127SR

Condition: New

Available to Order

Price: $146.39

StopTech Sport Slotted Brake Rotor; Rear Right

Disc Brake Rotor

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Description: Cryogenic Treatment Reduces Residual Stress Slots Helps Evacuate Gasses/Dust/Heat Directional Curve Vane Designs On Selected Apps Black E-Coated Non-Friction - Corrosion Protection Increased...More Details »

Item #: 126.33137SR

Condition: New

Available to Order

Price: $214.35

StopTech Sport Slotted Cryo Brake Rotor; Rear Left

Disc Brake Rotor

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Description: Cryogenic Treatment Reduces Residual Stress Slots Helps Evacuate Gasses/Dust/Heat Directional Curve Vane Designs On Selected Apps Black E-Coated Non-Friction - Corrosion Protection Increased...More Details »

Item #: 126.33137CSL

Condition: New

Available to Order

Price: $236.44

StopTech Sport Slotted Cryo Brake Rotor; Rear Right

Disc Brake Rotor

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Description: Cryogenic Treatment Reduces Residual Stress Slots Helps Evacuate Gasses/Dust/Heat Directional Curve Vane Designs On Selected Apps Black E-Coated Non-Friction - Corrosion Protection Increased...More Details »

Item #: 126.33127CSR

Condition: New

Available to Order

Price: $172.26

StopTech Sport Slotted Cryo Brake Rotor; Rear Right

Disc Brake Rotor

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Description: Cryogenic Treatment Reduces Residual Stress Slots Helps Evacuate Gasses/Dust/Heat Directional Curve Vane Designs On Selected Apps Black E-Coated Non-Friction - Corrosion Protection Increased...More Details »

Item #: 126.33137CSR

Condition: New

Available to Order

Price: $236.44

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APR Floating and Self Leveling Center Cap - Anthracite - WHL00045

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Description: Direct plug and play upgrade on APR wheels and other wheels. Kit includes 1 cap. Kit includes 1 cap.

Item #: WHL00045

Condition: New

Available To Order

Price: $51.20

No Image Available

APR Floating and Self Leveling Center Cap - Black - WHL00043

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Description: Direct plug and play upgrade on APR wheels and other wheels. Kit includes 1 cap. Kit includes 1 cap.

Item #: WHL00043

Condition: New

Available To Order

Price: $51.20

No Image Available

APR Floating and Self Leveling Center Cap - Bronze - WHL00044

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Description: Direct plug and play upgrade on APR wheels and other wheels. Kit includes 1 cap. Kit includes 1 cap.

Item #: WHL00044

Condition: New

Available To Order

Price: $51.20

No Image Available

APR Floating and Self Leveling Center Cap - Silver - WHL00042

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Description: Direct plug and play upgrade on APR wheels and other wheels. Kit includes 1 cap. Kit includes 1 cap.

Item #: WHL00042

Condition: New

Available To Order

Price: $51.20

No Image Available

APR Valve Spring Kit 4140 Heat-Treated Chrome Molly Steel Spring Seats w/Black Oxide Coating 6AL4V American Titanium Retainers Works w/OEM Valves 1 Set - MS100258

Engine Valve Spring Kit

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Description: Increase Valvetrain Control 71 / 19 Percent Weight Reduction Over 2.0T EA113.K04 Retainers / Springs [MK6 R] 20 Percent Stiffness Increase Over 2.0T EA113.K04 Springs [MK6 R] Eradicates Valve...More Details »

Item #: MS100258

Condition: New

Available To Order

Price: $51.20

AST 15-23 Audi A4 B9 FWD 5100 Street Coilovers w/ Springs - ACU-A2110S

Suspension Shock Absorber Set

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Description: 1WAY adjustable coilovers in rebound and ride-height, rear: divorced setup. Note: 48,5mm strut

Item #: ACU-A2110S

Condition: New

Price: $3,370.00

Bilstein B12 (Pro-Kit) - Suspension Kit - 46-275349

Suspension Kit

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Description: Complete Suspension Kit

Item #: 46-275349

Condition: New

Available To Order

Available to Order

Price: $1,133.00

Bilstein B16 (DampTronic) - Suspension Kit - 49-290868

Suspension Kit

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Description: Performance Suspension System

Item #: 49-290868

Condition: New

Available To Order

Available to Order

Price: $2,240.00

Bilstein B16 (PSS10) - Suspension Kit - 48-262316

Suspension Kit

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Description: Performance Suspension System

Item #: 48-262316

Condition: New

Available To Order

Available to Order

Price: $2,241.00

Bilstein B4 OE Replacement (DampTronic) - Suspension Shock Absorber - 26-296012

Suspension Shock Absorber

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Description: 46mm Monotube Shock Absorber

Item #: 26-296012

Condition: New

Available To Order

Available to Order

Price: $390.00

Bilstein B4 OE Replacement (DampTronic) - Suspension Shock Absorber - 26-296029

Suspension Shock Absorber

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Description: 46mm Monotube Shock Absorber

Item #: 26-296029

Condition: New

Available To Order

Available to Order

Price: $285.00

Bilstein B4 OE Replacement - Suspension Shock Absorber - 24-262330

Suspension Shock Absorber

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Description: 46mm Monotube Shock Absorber

Item #: 24-262330

Condition: New

Available To Order

Available to Order

Price: $178.00

Bilstein B4 OE Replacement - Suspension Shock Absorber - 24-262347

Suspension Shock Absorber

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Description: 36mm Monotube Strut Assembly

Item #: 24-262347

Condition: New

Available To Order

Available to Order

Price: $97.00

Bilstein B4 OE Replacement - Suspension Shock Absorber - 24-275019

Suspension Shock Absorber

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Description: 46mm Monotube Shock Absorber

Item #: 24-275019

Condition: New

Available To Order

Available to Order

Price: $178.00

Bilstein B4 OE Replacement - Suspension Shock Absorber - 24-279697

Suspension Shock Absorber

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Description: 36mm Monotube Strut Assembly

Item #: 24-279697

Condition: New

Available To Order

Available to Order

Price: $97.00

Bilstein B6 Performance (DampTronic) - Suspension Shock Absorber - 26-296036

Suspension Shock Absorber

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Description: 46mm Monotube Shock Absorber

Item #: 26-296036

Condition: New

Available To Order

Available to Order

Price: $433.00

Bilstein B6 Performance (DampTronic) - Suspension Shock Absorber - 26-296043

Suspension Shock Absorber

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Description: 46mm Monotube Shock Absorber

Item #: 26-296043

Condition: New

Available To Order

Available to Order

Price: $310.00

Bilstein B6 Performance - Suspension Shock Absorber - 24-262286

Suspension Shock Absorber

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Description: 46mm Monotube Shock Absorber

Item #: 24-262286

Condition: New

Available To Order

Available to Order

Price: $217.00

Bilstein B6 Performance - Suspension Shock Absorber - 24-262293

Suspension Shock Absorber

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Description: 36mm Monotube Shock Absorber

Item #: 24-262293

Condition: New

Available To Order

Available to Order

Price: $121.00

Bilstein B6 Performance - Suspension Shock Absorber - 24-274869

Suspension Shock Absorber

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Description: 46mm Monotube Shock Absorber

Item #: 24-274869

Condition: New

Available To Order

Available to Order

Price: $217.00

Bilstein B8 Performance Plus - Suspension Shock Absorber - 24-262309

Suspension Shock Absorber

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Description: 46mm Monotube Shock Absorber

Item #: 24-262309

Condition: New

Available To Order

Available to Order

Price: $224.00

Bilstein B8 Performance Plus - Suspension Shock Absorber - 24-262323

Suspension Shock Absorber

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Description: 36mm Monotube Shock Absorber

Item #: 24-262323

Condition: New

Available To Order

Available to Order

Price: $135.00

Bilstein B8 Performance Plus - Suspension Shock Absorber - 24-274876

Suspension Shock Absorber

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Description: 46mm Monotube Shock Absorber

Item #: 24-274876

Condition: New

Available To Order

Available to Order

Price: $224.00

EBC Brakes S1 Kits Ultimax 2 and RK Rotors Front PN Components [UD2139/RK2026] - S1KF2128

Disc Brake Kit

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Description: Daily Driver Premium Brake Kit For Cars Truck Or SUV Quality British Made EBC Pads Premium G3000 OE Style Rotors Geomet Anti Rust Coating Direct Fit No Changes Required Over Stock Set Up...More Details »

Item #: S1KF2128

Condition: New

Available to Order

Price: $299.04

EBC Brakes S12 Kits Redstuff and RK Rotors Front PN Components [DP32436C/RK2026] - S12KF2235

Disc Brake Kit

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Description: Muscle Car/Premium Import Upgrade Kit Ideal For Spirited Driving And Modified Vehicles Lowest Dusting Pad In EBCs Range Geomet Anti Rust Coating Direct Fit No Changes Required Over Stock Set...More Details »

Item #: S12KF2235

Condition: New

Available to Order

Price: $365.74

EBC Brakes S14 Kits Greenstuff and RK Rotors SUV Front PN Components [DP62436/RK2026] - S14KF1388

Disc Brake Kit

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Description: Light Truck/Suv Upgrade Brakes For Spirited Highway Driving Premium G 3000 OEM Style Rotors Geomet Anti Rust Coating Direct Fit No Changes Required Over Stock Set UP 10 000 Mile No Hassle...More Details »

Item #: S14KF1388

Condition: New

Available to Order

Price: $326.91

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Koni 16-19 Audi A4 / 16-19 Audi S4 Special Active Front Shock w/ 49mm Clamp - 8245 1406

Suspension Shock Absorber

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Description: Shock Absorber; Twin-Tube Hydraulic; Not Adjustable; Low Pressure Gas Fits: 2017-2021 AUDI A4 SEDAN/AVANT INC QUATTRO 49MM FRONT STRUTS EXCL. EDC, ALLROAD; 2017-2021 AUDI A5 ALL MODELS INC...More Details »

Item #: 8245 1406

Condition: New

Price: $172.36

No Image Available

Koni Special Active Shock 16-19 Audi A4 / 16-19 Audi S4 (B9) Rear - 8245 1407

Suspension Shock Absorber

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Description: Shock Absorber; Twin-Tube Hydraulic; Not Adjustable; Low Pressure Gas

Item #: 8245 1407

Condition: New

Price: $132.68

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StopTech Sportstop Cryo Drilled/Slotted Rotor; Left 127.33137CL

Disc Brake Rotor

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Description: Sportstop Cryo Drilled/Slotted Rotor; Left Sport Cryo-Treated Cross-Drilled And Slotted Disc Brake Rotor

Item #: 127.33137CL

Condition: New

Available to Order

Price: $248.49

No Image Available

StopTech Sportstop Cryo Drilled/Slotted Rotor; Right 127.33137CR

Disc Brake Rotor

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Description: Sportstop Cryo Drilled/Slotted Rotor; Right Sport Cryo-Treated Cross-Drilled And Slotted Disc Brake Rotor

Item #: 127.33137CR

Condition: New

Available to Order

Price: $248.49

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APR Cold Air Intake

Air Intake Kit

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Description: Cold Air Intake Cold Air Intake Carbon Fiber Open Eelement

Item #: CI100036

Condition: New

Available To Order

Price: $934.96

EBC Brakes Brake Wear Lead Sensor Kit

Disc Brake Pad Wear Sensor

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Description: Brake Wear Lead Sensor Brake Wear Lead Sensor Kit Rear

Item #: EFA1005

Condition: New

Available to Order

Price: $11.26

EBC Brakes Brake Wear Lead Sensor Kit

Disc Brake Pad Wear Sensor

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Description: Brake Wear Lead Sensor Brake Wear Lead Sensor Kit For FMSI Pad No. D1897 Vented 5 Bolt Holes 318/338mm Dia. 57mm Height 30mm Thick 68mm Center Hole Dia. More Details »

Item #: EFA1004

Condition: New

Available to Order

Price: $10.24