Looking for aftermarket parts to modify or upgrade your 2009 Audi S4 with spark plugs? At Tunersports.com we carry a huge selection of the top name brand performance spark plug parts and accessories for your S4.
Whether you have a 2009 Audi S4 in Cabriolet trim we have you covered. We have 6 spark plugs available to mod your S4. All parts have free shipping to the Continental US 48 States.
 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) 2004-2009 Audi S4 Cabriolet $48.03 |
 OUT OF STOCK 3199NGK 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 Multi-Ground Spark Plug Box of 4 (BKR6EQUP) 2004-2009 Audi S4 Cabriolet $49.32 |
 IN STOCK - LOW 94279NGK 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 Ruthenium HX Spark Plug Box of 4 (FR6AHX-S) 2004-2009 Audi S4 Cabriolet $60.04 |
 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) 2004-2009 Audi S4 Cabriolet $33.89 |
 OUT OF STOCK 5767NGK 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 Standard Spark Plug Box of 4 (BKR6EQUA) 2004-2009 Audi S4 Cabriolet $45.44 |
 IN STOCK 6962NGK 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 V-Power Spark Plug Box of 4 (BKR6E) 2004-2009 Audi S4 Cabriolet $30.59 |