The product is a used Smog/Air Injection Pump Pulley with the OE/OEM Part Number 14100598NW designed for 1986-1993 Chevy GMC S10 2.8 3.1L vehicles. Manufactured by GM in the USA, this vintage part is specific to these vehicle models and is not universally fitting. It is not a performance part but an essential component for maintaining the air pump system in these vehicles.
