JCB 25/975704 Valve Block Spool Wiper Seal

The 25/975704 is a high-precision valve block spool wiper seal engineered for JCB hydraulic control valves. Designed to exclude contamination from spool bores in directional control valves used across backhoe loader and articulated dump truck platforms. Manufactured from hydraulic-grade elastomer compounds compatible with mineral oil-based hydraulic fluids (ISO VG 32/46/68). Critical sealing element for maintaining valve spool integrity and preventing external leakage in load-sensing and open-center hydraulic circuits. Direct interchange for JCB OEM part numbers 25/975704, 25-975704, and 25975704. Supplied as individual seal; also available in 16-piece and 24-piece control valve repair kits alongside companion spool seal 25/975703.