# 2818521 - Slip Ring, Rotor, Delco 10Si, 12Si, 15Si, 17Si, 21Si, 27Si, CS144 Series Alternators
Dimensions: 17.3mm ID x 30.0mm OD
Notes: Used in late style rotors w/ 17.3mm slip ring knurl
Features: Manufactured by aftermarket supplier
Also See: 28-129;28-131;28-135;28-137;28-138;28-141
Used On: Allis Chalmers (1968-1982) , Cadillac (1968-1979) , Case (1971-1993) , Caterpillar (1969-1977) , Clark (1978-1978) , Cockshutt (1968-1969) , Cummins Engines (1980-1985) , David Brown (1971-1978) , Drott Mfg. (1971-1978) , Fiat-Allis (1974-1979) , International (1967-1987) , John Deere (1975-2003) , Oliver (1968-1972) , Versatile (1971-1975) , White (Cockshutt) (1967-1972) , White (Oliver) (1968-1972)
Replaces: DELCO 10472181, 1975346, 1977502, 1984475
Unit Nos: AMC 8134645; CASE A167152, A47039, A47484, L112091, S84908; CAT 376955, 7N8088, 9L6784, 9L7310, 9N1193; CUMMINS 3604476RX, 3675102RX, 3905225, 3909984; DELCO 10459452, 10467263, 10470606, 10472050, 10472051, 10475405, 10477782, 10480060, 10499310, 1100057, 1100062, 1100063, 1100064, 1100066, 1100067, 1100068, 1100071, 1100078, 1100210, 1101195, 1101204, 1105419, 1105477, 1105510, 1105537, 1105542, 1117142, 1117144, 1117148, 1117150, 1846657, 1852040, 1875042, 1876163, 1876470, 1877057, 1877070, 1880068, 1891310, 1891598, 1893674, 1894645, 1894647, 1971264, 1971990, 1972914, 1975333, 1975731, 1976163, 1976470, 1977380, 1978872, 1978873, 1978875, 1978876, 1984466, 1984911, 1985476, 1985493, 1985646, 1986082, 1986127, 1986603, 1986817, 1988967, 1989599, 1989708, 801792, 830319, D3183, D3186; FIATALLIS 70660144, 73112312; IHC 426887C91, 683104C91; JOHNDEERE AT157178, RE20034, SE501384, TY6776; LEECENEVIL 98040; LESTER 7140, 7141, 7143, 7144, 7151, 7160, 7176, 7239, 7292-6, 7294-6