Includes (1) 545046901 FilterNew, Bulk PackedGenuine OEM Replacement Part # 545046901Consult owners manual for proper part number identification and proper installationPlease refer to list for compatibilityCompatible with the following: Poulan: P3818AV, P3818AV, P4018AV, P4018AV, P4018AV-BH, P4018AV-BH, PP3816AV, PP4218AV, PP4218AVHD, PP4218AVL, SM4218AV, PP3516AVX, PP4218AVX, PP3816AV, PP4218AV Saw 4218AV- Poulan: Pro, SM4218AVX, SM4518AVX, Craftsman: 358350990, 358351820, 358350880, 358350992, 358350991, 358360690, 358341950