This oxygen sensor is NOS ( new old stock ). It is a brand new factory made replacement part in original box. This part fits early model Chrysler, Dodge, and Plymouth carburetor or fuel injection engines. As long as it has a single wire sensor. The only EXCEPTION is 2.2L TURBO and 2.5L TURBO engines. This sensor is not made for TURBO applications. Free shipping inside continental United States only.