Vehicle Set: Click here to shop 2018 Audi A4 parts.

2018 Audi A4 Performance Parts

Looking for aftermarket parts to modify or upgrade your 2018 Audi A4? At Tunersports.com we carry a huge selection of the top name brand performance parts and accessories for your A4.

Whether you have a 2018 Audi A4 in Premium to Prestige trim we have you covered. From air intake systems to wheel and tire accessories we have 323 available parts to mod your A4, all with free shipping to the Continental US 48 States.

2018 A4 Parts:

Recently Added Audi A4 Aftermarket Parts:

IN STOCK - LOW Thule WingBar Edge Load Bars 721420 Thule WingBar Edge 95cm Roof Bar (1-Pack) $130.68 Details
IN STOCK - LOW Thule Edge Foot Pack 720501 Thule Edge Clamp Foot Pack $313.28 Details
IN STOCK Thule AirScreen Fairings 870202 Thule AirScreen XT Roof Rack Wind Fairing L - 44in. (Black) $146.08 Details
IN STOCK Thule AirScreen Fairings 870201 Thule AirScreen XT Roof Rack Wind Fairing M - 38in. (Black) $146.08 Details
IN STOCK aFe Scorcher Module 77-92005 aFe 17-20 Audi A3 / 15-20 Audi A4 Scorcher High-Performance Ignition Coil $62.26 SALE Details
IN STOCK - LOW Cometic Gasket Head Gaskets C4979-070 Cometic Volkswagen 1.8/2.0L 16V TFSI EA888 84mm Bore .070in MLS Cylinder Head Gasket w/ Valvelift $125.75 Details
IN STOCK Brembo OE Ceramic Pads P85154N Brembo 18-19 RS5/2021 RS5/18-20 S4/18-20 SQ5 Premium NAO Ceramic OE Equivalent Pad - Rear $56.55 SALE VIEW PRICE IN CART Details
IN STOCK Brembo OE Low Metallic Pads P85154 Brembo 17-20 Audi A4 Premium Low-Met OE Equivalent Pad - Rear $63.46 SALE VIEW PRICE IN CART Details
IN STOCK - LOW Brembo OE Ceramic Pads P85153N Brembo 17-20 Audi A4 Front Premium NAO Ceramic OE Equivalent Pad $64.60 SALE VIEW PRICE IN CART Details
IN STOCK - LOW Brembo OE UV Coated OE Equiv Rotors 09.A820.11 Brembo 17-20 Audi A4 Front Premium UV Coated OE Equivalent Rotor $84.05 SALE VIEW PRICE IN CART Details

Popular Audi A4 Aftermarket Parts:

IN STOCK CTEK MXS Chargers 40-206 CTEK Battery Charger - MXS 5.0 4.3 Amp 12 Volt $89.99 Details
IN STOCK Go Fast Bits DV+ Diverter Valves T9381 GFB Diverter Valve DV+ Volkswagen TSI/TFSI w/Pierburg Diverter Valve $242.10 SALE VIEW PRICE IN CART Details
IN STOCK Go Fast Bits DV+ Diverter Valves T9351 GFB Diverter Valve DV+ 2.0T VAG Applications (Direct Replacement) $147.60 SALE VIEW PRICE IN CART Details
IN STOCK Injen Pedal Pro Controller Black Ed PT0009B Injen 10-19 Audi A4 2.0T / 06-19 VW GTI 2.0T / 12-19 VW Golf R 2.0T X-Pedal Pro Black Edition Thrott $183.96 Details
IN STOCK ACL Race Series Main Bearings 5M5585H-STD ACL Volkswagen EA888 Gen 3 TFSI 4cyl Turbo Standard Size Race Series Main Bearings $143.91 Details
IN STOCK Go Fast Bits DV+ Diverter Valves T9451 GFB Diverter Valve ATMO DV+ 2.0T FSI & TSI VAG Applications (Direct Replacement) $198.00 SALE VIEW PRICE IN CART Details
IN STOCK Turbosmart BOV - Kompact Plumb Back TS-0223-1263 Turbosmart 15-21 Volkswagen GTI/Golf R MK7 Kompact EM Plumb Back VR1 Diverter Valve $244.95 Details
IN STOCK Turbosmart BOV - Kompact Dual Port TS-0223-1063 Turbosmart 15-21 Volkswagen GTI/Golf R MK7 BOV Kompact EM Dual Port $274.95 Details
IN STOCK Hawk Performance HPS 5.0 Brake Pad Sets HB866B.652 Hawk 18-19 Audi S5 HPS 5.0 Rear Brake Pads $170.99 Details
IN STOCK EBC USR Slotted Rotor Sets USR1535 EBC 09-11 Audi A4 2.0 Turbo USR Slotted Rear Rotors $206.53 Details