Includes (1) 545160401 Piston RingNew, Bulk PackedGenuine OEM Replacement Part # 545160401Consult owners manual for proper part number identification and proper installationPlease refer to list for compatibilityCompatible with the following: Poulan: 1950, 1950, 1950LE, 1950LE, 1975, 1975, 1975LE, 1975LE, 2050, 2050, 2050, 2050, 2050, 2050, 2050, 2055, 2055, 2050LE, 2050LE, 2050WT, 2050WT, 2050WT, 2050WT, 2050WT, 2050WT, 2050WT, 2055LE, 2055LE, 2075, 2075 LE, 2075C, 2075OC, 2150, 2150, 2150, 2150, 2150, 2150, 2150, 2150LE, 2150LE, 2150LE, 2150LE, 2155, 2155, 2155, 2155, 2155, 2175, 2175, 2175, 2175, 2175, 2175, 2175, 2175, 2175, 2250, 2250, 2250LE, 2350, 2375, 2375, 2375, 2375, 2375, 2375, 2375, 2375LE, 2375LE, BH2160, BH2160LE, P3314, P3314, P3314WS, P3314WS, P3314WSA, P3314WSA, P3416, P3416, P3516PR, P3516PR, P3818AV, P3818AV, P4018, P4018AV, P4018AV, P4018AV-BH : P4018AV-BH, P4018WM, P4018WM, P4018WT, P4018WT, P4018WTL, PP3516, PP3816, PP3816AV, PP4018, PP4218AV, PP4218AVHD, PP4218AVL, PPB3416, PPB4018, S1970, S1970, SM4218AV : 2550T, 2450, 2450, 2450, 2450, 2450, 2450, 2450, 2550, 2550, 2550, 2550, 2550, 2550, 2550, 2550LE, 2550SE, 2550SE, 2555FLW, SM4018, PP3516AVX, PP4218AVX, 220le, 260 Pro, PP4218, PP4218, PP220, PP220LEa