Singer Sewing Machine Internal Drive Timing Belt 37977 for 240 250 Series Stylist Genie

New 91 tooth cogged internal drive timing belt for the Singer sewing machine models listed below. Please note that this is the internal drive belt, not the motor belt. Measures 18 1/4" long, 1/4" wide (6mm). Part #37977 - 182XL 240, 241, 242, 247, 247AP, 248, 249, 250, 251, 252, 257, 258, 259, 263, 288, 350, 353 & 354 Genie, 360, 362, 366, 367, 547, 563, 588, 1247, 1263, 1280, 1288, 2302, 2303, 2304, 2315, 2330, 2404, 2440, 3100, 3101, 3102, 3103, 3105, 3130, 3140, 4325, 6012, 6174, 6305, 6310, 6314, 6318, 7100, 7101, 7184, 9502, 9505, 9602, 9605, 9610, 9614, 964, 966, 968, 972, 974, CE-350 Futura III