One New Aftermarket Replacement Mulching Blade for Murray Lawn/Garden TractorsThis aftermarket replacement toothed mulching blade fits Murray 40-inch mower decks. Two blades are required for a complete 40-inch cut. This blade is a direct replacement for Murray OEM part number 91871E701 and cross-references to Oregon 597-604 and 97-604.Specifications Length: 20-3/8" Width: 2-1/2" Thickness: 0.250" Center Hole: 27/32" Type: Toothed Mulching Note: Two (2) blades required for 40" cut.Compatible ModelsMurray 40" Lawn/Garden Tractors: 40603, 40604, 40606, 40620, 40622Replaces Part Number(s):056251E701, 056251E701-A, 056251E701MA, 056251E701MA-A, 091871E70, 091871E701, 091871E701-A, 091871E701MA, 091871E701MA-A, 092002E70, 11234, 597-604, 597-604-A, 97-904, 97-904-AAftermarket Interchange NumbersOregon: 597-604, 97-604, 97-904; Fits Stens: 335-016; Rotary: 6034; Sunbelt: B1MU2609; Prime Line: 7-04675; Arnold: 490-110-0087New aftermarket replacement part - not remanufactured, not used.