The belt has ridges on one side to have better grip and control. Will Replace Part# DP6912(6902) , 60902, 6902, 6912 , 33301 Belt‘s circumference is 14 1/2" （370mm ) Will Fit Kenmore Models 148.200, 148.13022, 158.121, 158.12250, 158.12260, 158.12270, 158.12271, 158.12272, 158.12470, 158.12370, 158.12471, 158.130, 158.13010, 158.13011, 158.13030, 158.13031, 158.13032, 158.13033, 158.13040, 158.13041, 158.13050, 158.13150, 158.15160, 158.13170, 158.13180, 158.16000, 158.16010, 158.16012, 158.16500, 158.16510, 158.16520, 158.16530, 158.16540, 158.17500, 158.17501, 158.17510, 158.17511 158.17520, 158.18010, 158.220, 158.221, 158.320, 158.321, 158.330, 158.331, 158.350, 158.351, 158.352, 158.353, 158.370, 158.371, 158.372, 158.373, 158.4180, 158.430, 158.431, 158.432, 158.433, 158.440, 158.441, 158.442, 158.443, 158.444, 158.445, 158.460, 158.461, 158.462, 158.463, 158.470, 158.471, 158.472, 158.473, 158.480, 158.481, 158.500, 158.501, 158.502, 158.503, 158.504, 158.505, 158.620, 158.650, 158.680, 158.750, 158.840, 158.841, 158.842, 158.923, 158.950, 158.960, 1650 Sewing Machine Motor Belt for Kenmore DP6912 60902,6902,6912,33301,DP1412K 14 1/2" (370mm ) 2 PCS