This part is commonly Used on models:
78357 44"" Side Discharge Mower, 5xi Garden Tractor
78358 44"" Recycler Mower, 5xi Garden Tractor
78370 52"" Side Discharge Mower, 5xi Garden Tractors
78375 52"" Recycler Mower, 5xi Garden Tractors
78444 44"" Side Discharge Mower, 5xi Garden Tractor
78452 52"" Side Discharge Mower, 5xi Garden Tractors
