Audi RS6 Oxygen Sensor - Select Year

Position: Rear Right
Universal Fit - - After Catalyst - After Catalyst - AKB Engine Two Required - After Catalyst - ATQ Engine - After Catalyst - Firewall side - In Exhaust Pipe - At Catalyst Inlet - At Catalyst Outlet - At Exhaust Mainfold - Firewall Side - Auxiliary Engine - Before Cat. - Before Catalyst Located in manifold/exhaust pipe before catalyst. - Before Front Catalyst - On Exhaust Manifold - California Emissions - California Emissions - w/ 38.8" Pigtail - Exc. California - Exc. California Emissions - Located in manifold/exhaust pipe before catalyst. - Need to check the old Oxygen Sensor for number.Old one should be marked F85F-9G444-BA. (Up Stream) - Need to check the old Oxygen Sensor for number.Old one should be marked F8TF-9G444-CA. (Up Stream) - This application also requires an air fuel mixture ratio sensor, part # 89467-0C010. Do NOT get these confused, they are NOT inter- changeable. - Two Required - Universal - 3 Wire - Universal 3 Wire - 461709 Chassis Range - Universal 3 Wire - 541365 Chassis Range - Universal 3 Wire - Front of Catalyst -

Quality: OEM
Position: Rear Right
Universal - - After Catalyst - After Catalyst - AKB Engine Two Required - After Catalyst - ATQ Engine - At Catalyst Inlet - At Catalyst Outlet - At Exhaust Mainfold - Firewall Side - Auxiliary Engine - Before Cat. - California - California Emissions - California Emissions - w/ 38.8" Pigtail - Exc. California - Exc. California Emissions - This application also requires an air fuel mixture ratio sensor, part # 89467-0C010. Do NOT get these confused, they are NOT inter- changeable. - Two Required -

Position: Rear Left
After Catalyst - After Catalyst - ATQ Engine - After Catalyst - Brown -

Position: Rear Right
After Catalyst - After Catalyst - ATQ Engine - After Catalyst - Brown -

Quality: OEM
Position: Rear Left
Color Coded: BROWN - After Catalyst - After Catalyst - ATQ Engine -

Quality: OEM
Position: Rear Right
Color Coded: Green - After Catalyst - After Catalyst - ATQ Engine -