AGCO | Pressure Relief Valve - G339100600124AGCO Parts Genuine pressure relief valves are designed and manufactured to the very highest standards. An essential component used to protect the hydraulic circuit from excessive pressures building up, they will regulate the amount of hydraulic fluid ensuring maximum output whilst keeping the system functioning safely. Fits Fendt Models 1038 Vario S4, 1042 Vario S4, 1046 Vario S4, 1050 Vario S4, 207 Vario, 208 Vario, 209 Vario, 210 Vario, 211 Vario,