Gasket, transmission drain plug. Ford tractors: 2N, 9N, 8N, 501, 541, 600, 601, 620, 621, 630, 631, 640, 641, 650, 651, 660, 661, 700, 701, 740, 741, 800, 801, 820, 821, 840, 850, 851, 860, 861, 900, 901, 941, 950, 951, 960, 961, 2000 (4 cylinder), 4000 (

Gasket, transmission drain plug. Ford tractors: 2N, 9N, 8N, 501, 541, 600, 601, 620, 621, 630, 631, 640, 641, 650, 651, 660, 661, 700, 701, 740, 741, 800, 801, 820, 821, 840, 850, 851, 860, 861, 900, 901, 941, 950, 951, 960, 961, 2000 (4 cylinder), 4000 (4 cylinder). Transmission/hydraulic filler plug. Ford: Tractor: 8N (if using updated shift cover), 501, 541, 600, 601, 620, 621, 630, 631, 640, 641, 650, 651, 660, 661, 700, 701, 740, 741, 800, 801, 820, 821, 840, 850, 851, 860, 861, 900, 901, 941, 950, 951, 960, 961, 2000 (3 and 4 cylinder), 2030, 2031, 2100, 2110, 2111, 2120, 2130, 2131, 2150, 2300, 2310, 3000, 3100, 3110, 3120, 3150, 3190, 3300, 3310, 3330, 4000 (3 and 4 cylinder), 4031, 4040, 4110, 4121, 4131, 4140. Industrial: 1801, 1821, 1841. Massey Ferguson: TE20, TEA20, TO20, TO30. Rear axle housing filler plug; hydraulic lift cover plug. For all models 1939 to date.