40356 Rear Crank Lip Seal. Replaces OEM p/n: Piston: 742621M91, 89214; Ring Set: 41158065, 745826M91, 7458356M91; Liner: 1434175M1, 31358345, 734175M1, 739043M1. Fits MF: 235 (late), 245, (250 w/ engine build CE31089U only), 154-4, 254-4; Industrial incl. Loader/Backhoe: 20C, 30B, 30D, and possibly others with 4-ring piston.Return are Accepted for Manufacturing Defect, Pls check listing details or feel free to seek dimensions, lets work on 1st time right. So please try to give your complete address with Telephone number. We do same for our buyers. Listing and template services provided by inkFrog.