Air Compressor Pump, 1 Stage, 5 hp. Rugged air compressor pumps in a variety of power levels. Feature cast-iron/aluminum construction, stainless steel valves, splash lubrication, reed valves, and CCW rotation facing flywheel. Grainger Part #:3Z172. Add to Favorite Sellers. Sign up to Newsletter. View more great items. PLS PLS 6R…