dual over centre valve oem si part no 260112000168 make simplex warranty p eriod 30 months after the date of delivery dual over centre valve oem si part no 260112000168 make simplex warranty p eriod 30 months after the date of delivery bridge lifting cylinder oem si part no c1000001132600000b make simplex wa rranty period 30 months after the date of delivery dual over centre valve oem si part no 260112000168 make simplex warranty p eriod 30 months after the date of dual