This auction is for a NOS emission control unit in perfect condition. Delco ( GM ) part #16069009 ( 1228591 ) prom - ABYU9010. This is a GENERAL MOTORS - DELCO factory original " Made In The USA " quality part in the original factory package. I purchased a large inventory of NOS GM parts from a closed Buick / Oldsmobile dealership many years ago and have kept all these parts in a clean, dry storage facility for over 30 years. Will fit 1986 Oldsmobile ( Cutlass Ciera ); 1986 Buick ( Century ) and 1986 Chevrolet ( Celebrity ). May also fit other year, makes and models of GM vehicles. Please do your own research to ensure this item is correct for your application. I have been selling on eBay for over 25 years and have a 100% positive feedback rating, so buy with confidence. Combined shipping discounts apply on multiple purchases whenever possible. Questions are always welcome, so don't hesitate to ask. Please be sure to check out my eBay store for more Vintage & Classic parts, accessories and auto literature. I will be listing a variety of NOS, NORS and quality used parts every week, so check back often!