547826 Check Valve With 45924 Spring / Seat – Cat Pumps 3SPX, and 4SPX Unloader
547826 OEM Check Valve And Spring (45925) For CAT Pump 3SPX, 4SPX Integrated Unloaders 547826- Check Valve45924 – Spring46254 – Plastic Seat This unloader maintains set system pressure and goes into by-pass with the release of the trigger or an obstruction downstream.4SPX https://www.catpumps.com/sites/default/files/2022-09/4SPX32G1I_E.pdf3SPXhttps://www.catpumps.com/sites/default/files/2021-10/3SPX%20C.pdf