Looking for aftermarket parts to modify or upgrade your 2003 Audi A4 with spark plugs? At Tunersports.com we carry a huge selection of the top name brand performance spark plug parts and accessories for your A4.
Whether you have a 2003 Audi A4 in Base to Cabriolet trim we have you covered. We have 6 spark plugs available to mod your A4. All parts have free shipping to the Continental US 48 States.
 OUT OF STOCK 6458NGK Spark Plugs (U.S.A.), Inc. is the largest OE supplier and manufacturer of spark plugs for domestic and import vehicles in North America. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist™. With over 80 years of automotive ex... NGK Double Platinum Spark Plug for Audi/VW Box of 4 (PFR6Q) 1996-2005 Audi A4 Base 2003-2006 Audi A4 Cabriolet $60.81 |
 IN STOCK 3764NGK Spark Plugs (U.S.A.), Inc. is the largest OE supplier and manufacturer of spark plugs for domestic and import vehicles in North America. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist™. With over 80 years of automotive ex... NGK Iridium Spark Plug Box of 4 (BKR6EIX-11) 2002-2005 Audi A4 Base 2003-2005 Audi A4 Cabriolet $48.03 |
IN STOCK 6418NGK Spark Plugs (U.S.A.), Inc. is the largest OE supplier and manufacturer of spark plugs for domestic and import vehicles in North America. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist™. With over 80 years of automotive ex... NGK Iridium Spark Plug Box of 4 (BKR6EIX) 1996-2005 Audi A4 Base 2003-2006 Audi A4 Cabriolet $48.03 |
 IN STOCK - LOW 5344NGK Spark Plugs (U.S.A.), Inc. is the largest OE supplier and manufacturer of spark plugs for domestic and import vehicles in North America. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist™. With over 80 years of automotive ex... NGK Iridium Long Life Spark Plugs Box of 4 (IFR6D10) 2002-2005 Audi A4 Base 2003-2005 Audi A4 Cabriolet $62.93 |
 OUT OF STOCK 5874NGK Spark Plugs (U.S.A.), Inc. is the largest OE supplier and manufacturer of spark plugs for domestic and import vehicles in North America. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist™. With over 80 years of automotive ex... NGK Laser Platinum Spark Plug Box of 4 (PFR6U-11G) 2002-2005 Audi A4 Base 2003-2005 Audi A4 Cabriolet $60.81 |
 IN STOCK - LOW 7092NGK Spark Plugs (U.S.A.), Inc. is the largest OE supplier and manufacturer of spark plugs for domestic and import vehicles in North America. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist™. With over 80 years of automotive ex... NGK Single Platinum Spark Plug Box of 4 (BKR6EGP) 1999-2005 Audi A4 Base 2003-2005 Audi A4 Cabriolet $33.89 |