Brand New (6) Pack of G6 Gator Mulcher Blades… (6) Pack of G6 Gator Mulcher Mower Blades Replaces John Deere Part # AM104489 Blade Length: 16-1/2″ Center Hole: 5/8″ Width: 3 Thickness. 250 Oregon Part # 396-735. 6 Pack Oregon 396-735 G6 Gator Mulcher Mower Blade for John Deere AM104489. Brand New (6) Pack of G6 Gator Mulcher Blades.. (6) Pack of G6 Gator Mulcher Mower Blades. Replaces John Deere Part # AM104489. Oregon Part # 396-735. This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.