Engine Pulley / Snapper 7024596YPPack Size:1Snapper 2-2044, Snapper 2-4596, Snapper 7024596, Snapper 7024596YPEdgewater 506940, ESF 165-512, Foley/Belsaw 5979543, Foley/PLP 165-512, Mow More SNP5950, NHC 276-9296, Rotary 5950, Sunbelt SB-5950Snapper 7/8" crankshaft engines on Snapper self-propelled walk behind mowersID: 7/8 ", Keyway: 5/32 ", OD: 2 1/4 ", Made by an OEM supplier