The EGV541 EGR Valve with Gasket by 1st Class Auto Parts is specifically designed for Chevrolet Astro, S10, GMC Jimmy, and Sonoma vehicles from 1992 to 1994. This OE/OEM part number 12578044 features a 1-year warranty and is compatible with 4.3L V6 GAS OHV engines. The valve ensures proper emissions control and comes with the necessary gasket for easy installation. With interchange part numbers EGV541, 12578044, and 17093134, this product is a reliable replacement for your vehicle's EGR system.