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2021 Audi A4 Quattro Performance Parts

Looking for aftermarket parts to modify or upgrade your 2021 Audi A4 Quattro? At Tunersports.com we carry a huge selection of the top name brand performance parts and accessories for your A4 Quattro.

Whether you have a 2021 Audi A4 Quattro in Premium to Prestige trim we have you covered. From air intake systems to suspension we have 122 available to mod your A4 Quattro, all with free shipping to the Continental US 48 States.

2021 A4 Quattro Parts:

Recently Added Audi A4 Quattro Aftermarket Parts:

IN STOCK - LOW aFe ProGaurd Oil Filter 44-LF049 aFe 15-20 Audi A3 17-20 A4 18-21 A5 16-21 A6 Pro GUARD Oil Filter $27.23 SALE Details
IN STOCK - LOW EBC Wear Leads EFA1004 EBC 2020+ Audi A4 B9 2.0T Front Wear Leads $29.71 Details
IN STOCK Stoptech Premium Carbon Brake Rotor 125.33137 Centric Premium High Carbon Brake Rotor $127.94 Details
IN STOCK Stoptech Premium Carbon Brake Rotor 125.33127 Centric 09-10 Audi A4/A4 Quattro / 08-10 A5 / 10 S4 Rear Premium High Carbon Rotor $77.62 SALE Details
IN STOCK Stoptech Slotted Sport Brake Rotor 126.33127SR StopTech Power Slot 09-10 Audi A4/A4 Quattro / 08-10 A5 / 10 S4 Rear Right Slotted Rotor $127.44 SALE Details
IN STOCK - LOW Stoptech Drilled Sport Brake Rotors 128.33137R StopTech 12 Audi S4 Rear Right Drilled Rotor $228.61 SALE Details
IN STOCK Stoptech Slot & Drill Brake Rotors 127.33137L StopTech Slotted & Drilled Sport Brake Rotor $188.60 SALE Details
IN STOCK Stoptech Slot & Drill Brake Rotors 127.33137R StopTech Slotted & Drilled Sport Brake Rotor $188.60 SALE Details
IN STOCK Stoptech Slotted Sport Brake Rotor 126.33137SR StopTech Power Slot 12-13 Audi A6 Quattro/11-12 A7 Quattro / 10-13 S4 Rear Right Slotted Rotor $178.94 SALE Details
IN STOCK Stoptech Slotted Sport Brake Rotor 126.33137SL StopTech Power Slot 12-13 Audi A6 Quattro/11-12 A7 Quattro / 10-13 S4 Rear Left Slotted Rotor $178.94 SALE Details

Popular Audi A4 Quattro Aftermarket Parts:

IN STOCK Bilstein B8 Series Shocks 24-262323 Bilstein B8 Performance Plus 17-19 Audi A4 / A4 Quattro Rear Monotube Shock $135.00 Details
IN STOCK Bilstein B8 Series Shocks 24-274876 Bilstein B8 17-19 A4/A4 Quattro / 18-19 S4/S5 18-20 A5/S5 Sportback w/ Sport Susp 49mm Front Shock $224.00 Details
IN STOCK Stoptech Premium Carbon Brake Rotor 125.33127 Centric 09-10 Audi A4/A4 Quattro / 08-10 A5 / 10 S4 Rear Premium High Carbon Rotor $77.62 SALE Details
IN STOCK Bilstein B8 Series Shocks 24-262309 Bilstein B8 Performance Plus 17-19 Audi A4 / A4 Quattro Front Monotube Shock $224.00 Details
IN STOCK Injen SP Intake SP3087WR Injen 17-19 Audi A4 2.0T Wrinkle Red Short Ram Air Intake $357.95 Details
IN STOCK Injen SP Intake SP3087BLK Injen 17-19 Audi A4 2.0T Black Cold Air Intake $357.95 Details
IN STOCK EBC Premium Rotor Sets RK1846 EBC 12+ Audi A6 Quattro 3.0 Supercharged Premium Rear Rotors $177.14 Details
IN STOCK EBC Yellowstuff Brake Pad Sets DP42290R EBC 2018+ Audi A4 Allroad Quattro 2.0L Turbo Yellowstuff Front Brake Pads $270.99 Details
IN STOCK Air Lift Performance Rear Kits 78670 Air Lift Performance 16-18 Audi A4 / A5 / S4 / S5 Rear Air Suspension Lowering Kit $1,445.00 Details
IN STOCK Stoptech Slotted Sport Brake Rotor 126.33127SR StopTech Power Slot 09-10 Audi A4/A4 Quattro / 08-10 A5 / 10 S4 Rear Right Slotted Rotor $127.44 SALE Details