Restore accurate fuel trim monitoring and eliminate unwanted check engine lights with this premium replacement post-cat oxygen sensor from Febi Bilstein.
Keep your emissions in check. Primary cat in exhaust manifold.
48-state legal - not for sale or use in California For Vehicles with Production dates 1999+
Oxygen sensors, catalytic converters, and other critical emissions components not only cause Check Engine Lights when they fail, but they'll also keep you from registering your car. Make sure your emissions system is functioning properly so you can continue to drive your car legally.
Lifetime Replacement
