Fits 42" Hydro Model
O.E: 37 x 88

Blade drive belt
O.E: 37 x 86

Blade drive belt
O.E: 37 x 69

Engine to transaxle belt
O.E: 37 x 65

Deck Belt, 40" models
O.E: 37 x 62

Fits many models
O.E: 37 x 61