BOSCH Hydraulic Directional Servo Valve 811 404 871. BEST OFFER DOESN’T MEAN 1/2 OFF! WE SELL USED OPERABLE/WORKING, IN GOOD CONDITION ITEMS AND PARTS, OR ELSE SPECIFIED. PARTS ARE BEING TESTED BEFORE BEING PULLED OUT AND GUARANTEED TO WORK. YOU’LL GET EXACTLY WHAT YOU SEE IN THE PICTURES. THANKS FOR CONSIDERING OUR PARTS/ITEMS.