New Autolite 4100 secondary brass float. Fit's all 4100 carburetors. You are ordering one secondary float.

Correct for carburetor numbers:

C2AE-AA, C2AE-AB, C2AE-AC, C2AE-AD, C2AE-AE, C2AE-AF, C2AE-Y, C2AE-Z, C2AF-AA, C2AF-AB, C2AF-AC, C2AF-AD, C2AF-AE, C2AF-AF, C2AF-AG, C2AF-AH, C2OE-N, C2OE-R, C2OE-S, C2OE-T, C2OF-AA, C2OF-AB, C2OF-AC, C2OF-AD, C2OF-N, C2OF-R, C2OF-S, C2OF-T, C3AF-AM, C3AF-AN, C3AF-AZ, C3AF-BA, C3AF-BD, C3AF-BE, C3AF-E, C3AF-F, C3DF-C, C3DF-D, C3DF-E, C3DF-F, C3DF-G, C3DF-H, C3DF-L, C3DF-M, C3MF-A, C3MF-B, C3MF-C, C3MF-D, C3OF-AG, C3OF-AH, C3OF-C, C3OF-D, C3OF-E, C3OF-F, C3TF-H, C3TF-J, C3TF-K, C4AF-A, C4AF-B, C4AF-C, C4AF-DD, C4AF-DE, C4DF-AB, C4DF-AC, C4DF-E, C4DF-F, C4DF-J, C4DF-K, C4DF-N, C4DF-R, C4DF-S, C4DF-T, C4MF-D, C4MF-E, C4MF-L, C4MF-M, C4MF-N, C4MF-R, C4MF-S, C4MF-T, C4MF-U, C4OF-BR, C4OF-BS, C4OF-BV, C4OF-K, C4OF-L, C4OF-U, C4TF-AE, C4TF-AH, C4TF-AJ, C4TF-AK, C4TF-BM, C4TF-BN, C4TF-BR, C4TF-BS, C4ZF-N, C4ZF-R, C5AF-A, C5AF-AH, C5AF-AJ, C5AF-B, C5TF-B, C5TF-C, C5TF-T, C5TF-Y, C5TF-Z, C5ZF-A, C5ZF-B, C5ZF-G, C5ZF-H, C6AF-AA, C6AF-AH, C6AF-B, C6AF-Z, C6AZ-V, C6DF-A, C6DF-B, C6OF-AH, C6OF-B, C6OF-C, C6OF-L, C6PF-D, C6PF-F, C6PF-N, C6TF-A, C6TF-BG, C6TF-C, C6TF-R, C6TF-S, C6TF-T, C7AF-AS, C7AF-AT, C7AF-AU, C7AF-BE, C7AF-BN, C7AF-BR, C7AF-BT, C7AF-N, C7AF-R, C7AF-S, C7AF-T, C7AF-U, C7AF-V, C7AF-Y, C7AF-Z, C7DF-G, C7DF-H, C7DF-N, C7DF-R, C7DF-S, C7DF-V, C7OF-J, C7OF-K, C7OF-L, C7OF-M, C7OF-U, C7TF-AH, C7TF-C, C7TF-D, C7TF-E, C7TF-F, C7TF-G, C7TF-H, C7TF-J, C7TF-V, C8AF-AK, C8AF-AM, C8AF-AN, C8AF-BA, C8AF-BD, C8AF-L, C8AF-M, C8AF-N, C8OF-AF, C8OF-K, C8OF-U, C8PF-A, C8PF-B, C8TF-AA, C8TF-AB, C8TF-AD, C8TF-AE, C8TF-AF, C8TF-AG, C8TF-AH, C8TF-AY, C8TF-AZ, C8TF-Y, C8TF-Z, C8WF-A, C8ZF-G, C9AF-A, C9AF-B, C9AF-C, C9AF-T, C9MF-A, C9MY-A, C9OF-C, C9TF-A, C9UF-A, C9UF-B, C9ZF-A, C9ZF-B, C9ZF-L, C9ZF-M, 5751679, 5751680, 5751681, 5751682, 5751683, 5752308, 5752309, 5752425, B8A-A, B8A-E, B8A-V, B8A-W, B9A-E, B9MF-A, B9MF-B, C0AE-J, C0AE-K, C1AE-AG, C1AE-AH, C1AE-AK, C1AE-AL, C2AE-AG, C2AE-AJ, C2AE-AK, C2AE-AL, C2AE-AN, C2AE-AR, C2AE-AT, C2AE-AU, C2AE-AV, C2AE-AY, C2AE-AZ, C2AE-BA, C2AF-A, C2AF-AJ, C2AF-AK, C2AF-AL, C2AF-AM, C2AF-AN, C2AF-AR, C2AF-N, C2AF-S, C2AF-T, C2AF-U, C2AF-Y, C2AF-Z, C2AZ-G, C2SE-C, C2SF-A, C2SF-B, C2SF-C, C3AF-AD, C3AF-AT, C3AF-AU, C3AF-AV, C3AF-AY, C3AF-BU, C3AF-BV, C3AF-BY, C3AF-BZ, C3AF-N, C3AF-R, C3AF-S, C3AF-T, C3OF-AB, C3OF-AJ, C3SF-B, C4AF-AV, C4AF-AY, C4AF-AZ, C4AF-BA, C4AF-BB, C4AF-BC, C4AF-BJ, C4AF-BL, C4AF-BM, C4AF-BN, C4AF-BS, C4AF-BT, C4AF-CG, C4AF-CJ, C4AF-CK, C4AF-CL, C4AF-CM, C4AF-DF, C4AF-DG, C4AF-DH, C4AF-DJ, C4AF-DK, C4AF-DL, C4AF-DU, C4AF-DV, C4AF-DY, C4AF-DZ, C4AF-EA, C4AF-EF, C4AF-EH, C4AF-F, C4AF-K, C4AF-N, C4AF-R, C4GF-AA, C4GF-AB, C4GF-AE, C4GF-AF, C4GF-AZ, C4GF-BA, C4GF-E, C4GF-F, C4GF-Y, C4GY-A, C4GY-B, C4OF-AL, C4OF-AT, C4OF-BT, C4OF-BU, C4SF-A, C4SF-B, C4SF-D, C4SF-E, C4SF-F, C4SF-G, C4ZF-C, C4ZF-D, C4ZF-G, C4ZF-H, C5AF-AA, C5AF-AC, C5AF-AD, C5AF-AE, C5AF-AK, C5AF-AL, C5AF-AN, C5AF-AR, C5AF-AS, C5AF-AT, C5AF-AU, C5AF-AV, C5AF-AZ, C5AF-BA, C5AF-E, C5AF-F, C5AF-H, C5AF-J, C5AF-K, C5AF-Z, C5AZ-AU, C5AZ-AY, C5OF-J, C5OF-K, C5OF-L, C5OF-M, C5OF-T, C5OF-U, C5SF-A, C5SF-B, C5ZF-C, C5ZF-D, C5ZF-E, C5ZF-F, C5ZF-J, C5ZF-K, C5ZF-L, C5ZF-M, C6AF-AB, C6AF-AC, C6AF-AD, C6AF-AE, C6AF-AF, C6AF-AG, C6AF-AJ, C6AF-E, C6AF-F, C6AF-G, C6AF-H, C6AF-J, C6AF-K, C6AF-L, C6MF-B, C6MF-BE, C6MF-C, C6MF-E, C6MF-F, C6MY-B, C6MY-C, C6MY-E, C6MY-F, C6OF-D, C6OF-E, C6OF-H, C6OF-J, C6PF-H, C6PF-M, C6SF-A, C6SF-B, C6SF-C, C6ZF-A, C6ZF-B, C6ZF-C, C6ZF-D, C6ZF-E, C6ZF-F, C7AF-AL, C7AF-AM, C7AF-AN, C7AF-AR, C7ZF-B, C7ZF-C, C8AF-AE, C8AF-BG, C8ZF-J, C8ZF-K, EDC-C, EDC-D, EDG-A, EDG-B, EDT-B, EDT-C, EFA9-AA, EFA9-AB, EFA9-AC, EFA9-BB, EFA9-BC, EFAO-AA, EFAO-AB, EFAO-AC, EFAO-BA, EFAO-BB, EFAO-BC, LSA1-SA, LSA1-TA, LSA1-TB, LSA1-WA, LSA1-XA, LSA1-XB, PB8M-J, PB8M-K, PB9M-D