Seal & Seat, Single Pulley, EndYear: 03/31/1981

Used in models:340, 2130, 4140, 445, 4030, 5500-SERIES, 4040, 540A, 4130, 445A, 5550-SERIES, A64, 340A, A66, 340B, 545A, 450, 540B, 1871, 1841, 1881, 1821, 1801, 1811, 2030, H48, 2110TR, 601, 681, 7810O, 961, 650, TW20, 600, 2N, 8630, 8000-SERIES, 850, 5610, 9200, TW5, 9N, TW10, TW30, 621, 4121, 2120, 860, 9000-SERIES, 701, 700, 501, 4131, 8600, 2131, 620, 7610O, 2031, 541, 671, 6710, 8530, 9600, 660, TW25, 741, 8830, 6410, 840, 4000-SERIES, 950, 2111, 971, NAA, 7910, 8210, 8700, 6610O, 771, 740, 640, 8200, 2000-SERIES, 611, 861, 951, 8N, 941, NAB, 5110, 4031, 6000, 851, 631, 901, TW15, 9700, 651, 7710, 6810, 7410, TW35, 4120, 4110TR