Engine
Plug size
Link
– Part# T20098
– AG TRACTORS: 301-401, 820-830, 1020, 1070, 1520-1530, 2020-30, 2150, 2240-50, 2440, 2630-40, 6100, 6200, 6300, 6400, 6500
7/8″-20-UNF-T10
– Part# R26727
– 359+, 404, 466, 619, 850, 955CID
– AG TRACTORS: 3010-3020, 4000-4020,
4230-4240, 4430-4440, 4620-4630
1″-14-UNF-T12
– Part# M1746T, 359CID
– AG TRACTORS: 2010, 2040, 2350-55, 2550-55, 2750-2955, 3050-3255, 4030
7/8″-14-UNF-T10
– Part# R27175, R84262
– 496CID, 4*50 & 4*55 SERIES
– AG TRACTORS: 4755-4960, 7200, 7400, 7600, 7700-7710, 7800-7810, 8100-8420, 8430(new), 9100-9520
1 1/16″-12-UNF-T15
– 3029 (Oil Pan #1909), 4045 (Oil Pan #1944),
6068 (Oil Pan #1944), 4022
– Part# RE523251, RE46687, R515195
– Part# R116102, RE500611, RE507950
– 35G, 50G, 60G, 75G, 85G
M22x1.5-T10
– 4045( All, except oil pan # 1944), 6068 (All, except oil pan # 1944)
– 160, 643L, 834J, 843K, 843L
– PE4045T
M18x1.5-T10
– 100 Series
– JD part # 15H623
– PC9540 Tractor
– 20 Engine GU20374
– 105 Tractor
3/8″-18-NPT-T10
* If the engine you are looking for is not listed, please check Femco’s catalog or use the search engine on the homepage.