Replace your worn or damaged idler pulley with this compatible part for a variety of AYP and other mower models. This idler pulley is designed to maintain proper belt tension, ensuring efficient operation of your lawn mower deck. Specifically compatible with part numbers 539103257 and 510057101. This pulley fits a wide range of models including WH3615, iZ4217, iZ4819, EZ4624, LZ5225, and many more (see full compatibility list below). Manufactured to meet or exceed original equipment standards, it provides reliable performance and helps extend the life of your mower. Durable construction resists wear and tear, ensuring long-lasting functionality. Easy to install, making it a convenient solution for maintaining your lawn mowing equipment. Check the compatibility list carefully to confirm fitment with your specific model number. This component is a critical part of the mower deck, ensuring optimal cutting performance by regulating belt tension; a correctly functioning idler pulley reduces strain on the engine and improves the overall life of the cutting system. Compatibility includes: AYP/ 539103257, 510057101, WH3615, WH4817, WH5217, WHF3617, WHF4817, iZ4217, iZ4217C, iZ4217 TSKAA, iZ4819, iZ4821, iZ5223, iZ6125, IZC5221, IZC5223, WHF4215ETS, EZ4220, EZ4220 BF, EZ4624, EZ4624 BF , EZ4822, EZ4824, EZ4824 BF, EZ4824 C, EZ5224, EZ5226, iZ4817 TSKAA, WH4817EFQ, iZ4821 TSKAA, EZ4824 K, EZ5224 BF, EZ5225, EZC4824, EZC4824BF, WH3615E, WH4817E, WHF4818ETS, CD48E, TRD48I, LZ25C, iZ5223 TSKOA, iZ5223 TVAN, iZ5223 VAN, iZ5224 TLKOA, iZ5225 TXPKOA, WH5219EFQ, WH5221EFQ, iZ5223 TSKAA, LZ30, LZ30C, LZ5227, LZ6127, LZ6130, LZ6130C, LZ7230, LZ7230C, WHF5218ETS, LZ5225 TKAA, LZ5227 TXPKOA, LZ5225, TRD52I, WHF5223, WHF6123, iZ6125 TKOA, iZ6123 TKAA, BZ6127D, BZ6127DBF, LZ6123 TLKOA, LZ6125 TKAA, LZ6127 TKOA, LZ6130 TXPKOA, TRD61L, BZ7234D, WHF5219, WHT3615, iZ4217 SKAA, iZ4218 KAA, CZ4815, CZ4817, CZ4818, iZ4817 KAA, iZ4817 SKAA, iZ4818 KAA, iZ4821 KAA, WHT4817, iZ4817, iZ4819 TSKAA, iZ5223 KAA, iZ5223 KOA, iZ5223 TKOA, iZ5223 TXPKOA, iZ5225 TSPKOA, BZ6134D, iZ6123 KAA, iZ6123, LZ7227 TKOA, LZ7230 TXPKOA, FD61I, TRD72L, CD48I, CD52I, CD52L, CD61B, CD61L, BX34D, BZ27D, LZ6123 LTKOA, LZ6127 KOA, LZ7227 KOA
