Vehicle Set: Click here to shop 2003 Porsche 911 parts.

2003 Porsche 911 Performance Parts

Looking for aftermarket parts to modify or upgrade your 2003 Porsche 911? At Tunersports.com we carry a huge selection of the top name brand performance parts and accessories for your 911.

Whether you have a 2003 Porsche 911 in Carrera to Turbo trim we have you covered. From air filters to wheel and tire accessories we have 453 available parts to mod your 911, all with free shipping to the Continental US 48 States.

2003 911 Parts:

Recently Added Porsche 911 Aftermarket Parts:

IN STOCK - LOW Driveshaft Shop Level 5 Import Axle 510473 DSS Porsche 2001-2004 996 GT2 1000HP Level 5 Axle Kit -Left RA2396X5 $1,697.89 Details
IN STOCK - LOW Brembo OE Ceramic Pads P65032N Brembo 01-13 Porsche 911/05-12 Boxster/04-05 Carrera GT Front Premium NAO Ceramic OE Equivalent Pad $63.83 SALE VIEW PRICE IN CART Details
IN STOCK - LOW Brembo OE Low Metallic Pads P65011 Brembo 01-12 Porsche 911 Front Premium Low-Met OE Equivalent Pad $86.21 SALE VIEW PRICE IN CART Details
IN STOCK - LOW Brembo OE Ceramic Pads P65008N Brembo 99-08 Porsche 911/97-08 Boxster/10-12 Boxster Rear Premium NAO Ceramic OE Equivalent Pad $61.07 SALE VIEW PRICE IN CART Details
IN STOCK - LOW H&R DR Wheel Spacers 14957161Z H&R 17-23 Porsche Panamera Wheel Spacers 5/130 BP/71.6 CB/14x1.5 Tread Type/7.0mm $131.96 Details
IN STOCK SHW Performance Drilled Monobloc Rotors PFL39965 SHW 99-08 Porsche 911 Carrera 3.6L w/o Ceramic Brakes Left Front Cross-Drilled MB Brake Rotor $145.05 Details
IN STOCK Gates Serpentine Belts K060900 Gates 10-13 Mazda 3 4-Cyl 2.5L Serpentine Micro-V Belt $52.44 Details
IN STOCK - LOW EBC Brake Line Kits BLA7617-4L EBC 98-05 Porsche 911 (996) Carrera 2 3.4L (Cast Iron Rotor) Stainless Steel Brake Line Kit $249.38 Details
IN STOCK SPL Parts Tools SPL WRENCH SPL Parts Adjustment Wrench $78.93 Details
IN STOCK SPL Parts Swaybar Endlinks SPL FE 996 SPL Parts 99-12 Porsche 911 (996/997) / 05-12 Porsche Cayman (987) Front Swaybar Endlinks $359.10 Details

Popular Porsche 911 Aftermarket Parts:

IN STOCK Goodridge G-Stop Brake Line Kits 37035 Goodridge 2019+ Porsche Carrera/911 (992) / 97-12 Porsche 911 (996/997) SS Brake Line Kit $152.79 Details
IN STOCK SPARCO Seat Base 600SB017L Sparco Base Porsche 996/997/991 Lft $185.00 Details
IN STOCK Injector Dynamics 1050cc Injector Sets -6 Cyl 1050.48.14.14.6 Injector Dynamics ID1050X Injectors (Grey) Adaptor Top (Set of 6) $819.00 Details
IN STOCK H&R DR Wheel Adaptor 30957161 H&R Trak+ 15mm DR Wheel Adaptor Bolt 5/130 Center Bore 71.6 Bolt Thread 14x1.5 $170.46 Details
IN STOCK Hawk Performance DTC-60 Brake Pad Sets HB290G.583 Hawk 98-08 Porsche 911 Carrera 2 / 07-08 Boxster S / 06-08 Cayman S Rear DTC-60 Race Brake Pads $287.09 Details
IN STOCK SPARCO Seat Base 600SB017R Sparco Base Porsche 996/997/991 Rt $185.00 Details
IN STOCK SPC Performance Control Arm 72610 SPC Performance 99-11 Porsche 996/997 06-16 Cayman Front or Rear Adjustable Control Arm (Pair of 2) $895.96 SALE VIEW PRICE IN CART Details
IN STOCK Torque Solution Drop Links TS-POR-008 Torque Solution Adjustable Rear Drop Links: Porsche 996/997 & 997 GT3 $209.00 SALE VIEW PRICE IN CART Details
IN STOCK CSF Radiators - Aluminum 7055 CSF Porsche 911 Turbo/GT2 (996 & 997) Right Side Radiator $649.00 SALE VIEW PRICE IN CART Details
IN STOCK Injector Dynamics 1050cc Injector Sets -6 Cyl 1050.60.14.14.6 Injector Dynamics ID1050X Injectors 14mm (Purple) Adaptors (Set of 6) $819.00 Details