The Delco 179-1159 GM 18016299 1988-1993 W Body Power Brake Booster Check Valve Kit is a vintage part manufactured by ACDelco in the United States. It is a direct replacement for the original equipment manufacturer part number 18016299. This kit includes a front placement check valve designed for specific vehicle models from 1988 to 1993. The product comes with a manufacturer's part number 179-1159 and a warning regarding potential chemical exposure. Made for performance, this kit ensures reliable braking function on compatible vehicles. Exact item kit is shown. New old stock with original packaging in fair condition. Includes valve and grommet. No returns if installed or if pieces are missing. Made in USA. Please review our business policies in our store for information regarding returns, shipping and warranties.