Fits: 110, 120, 160LC, 490D, 490E, 495D
410C, 410D, 440C, 444G, 448D, 450E, 450G, 455E, 455G, 510C, 540D, 548E, 550, 550A, 550B, 555, 555A, 555B, 555G, 590D, 595, 610B, 610C, 650G
Tech Data needed before ordering: Model machine, engine serial number, block casting number, and piston rod cast number (difference in rod bolts)