HomeHPLC Replacement PartsPlunger Seal and Back Up RingPlunger Seal and Back Up Ring Plunger Seal and Back Up Ring Add to quote This product is already in your quote request list. Browse the list Description Description Reference WB056 OEM Part (Shimadzu®) 228-52711-93, Old# 228-52711-92, (Sciex™) 5050410 Models: LC-30AD, LC-40XR, LC-40XS, LC-40X3
