View our Specials! Coupon Code: SaveIn2026
Looking for aftermarket parts to modify or upgrade your 1998 Audi A6 with oxygen sensors? At Tunersports.com we carry a huge selection of the top name brand performance oxygen sensor parts and accessories.
 OUT OF STOCK 25034NTK is the world's largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle's on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. Providing constant closed loop fee... NGK Alfa Romeo Milano 1988-1987 Direct Fit Oxygen Sensor 1995-1998 Audi A6 Base $59.04 |
 OUT OF STOCK 25550NTK is the world's largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle's on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. Providing constant closed loop fee... NGK Audi A4 1999-1997 Direct Fit Oxygen Sensor 1998-1999 Audi A6 Base $105.75 |
 OUT OF STOCK 25552NTK is the world's largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle's on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. Providing constant closed loop fee... NGK Audi A4 1999-1996 Direct Fit Oxygen Sensor 1998-1999 Audi A6 Base $122.80 |