Oregon Mower Blade, 20-7/8" - 91-078

You can count on the Oregon® 91-078 replacement lawn mower blade to be the best in the industry. Our 26 quality standards ensure that you’re buying a sharp, high-performance blade that mounts properly. It delivers a clean cut for quality results.

• Requires 3 blades for 60" cut
• Fits many 7 iron decks
• Major brand replacement: John Deere
• Replace OEM No. M128485

Replaces OEM Parts

• J Thomas - DE-881
• J Thomas - DE-941
• John Deere - M128485
• J Thomas - TCU15881
• John Deere - M144196
• John Deere - M131958
• John Deere - M163983
• John Deere - TCU18990
• Rotary - 6479
• Stens - 330-591
• Sunbelt - B1JD1040
• John Deere - M168223
• PLP - 7-08550
• Laser - 91668
• John Deere - M133381
• Mowmore - JD6479
• John Deere - TCU15881
• Rotary - 10073
• Windsor - 50-3035
• Rotary - 15-10073
• Rotary - 15-6479

Fits Models

• John Deere - 10332
• John Deere - 10333
• John Deere - 10346
• John Deere - 10334
• John Deere - 10359
• John Deere - 10384
• John Deere - 10351
• John Deere - 10876
• John Deere - 10890
• John Deere - 11775
• John Deere - 11776
• John Deere - 11777
• John Deere - 11778
• John Deere - 11779
• John Deere - 11781
• John Deere - 11782
• John Deere - 10464
• John Deere - 11842
• John Deere - 11843
• John Deere - 11844
• John Deere - 11845
• John Deere - 11846
• John Deere - 11847
• John Deere - 11848
• John Deere - 11849
• John Deere - 11850
• John Deere - 12053
• John Deere - 12156
• John Deere - 12157
• John Deere - 12158
• John Deere - 12159
• John Deere - 12160
• John Deere - 12161
• John Deere - 12225
• John Deere - 2631
• John Deere - 2662
• John Deere - 10335
• John Deere - 11783
• John Deere - 2862
• John Deere - 2863
• John Deere - 9146
• John Deere - 9280
• John Deere - 9323
• John Deere - 9426
• John Deere - 9477
• John Deere - 9579
• John Deere - 9679
• John Deere - 9681
• John Deere - 9682
• John Deere - 9683
• John Deere - 9684
• John Deere - 9709
• John Deere - 9986
• John Deere - 10408
• John Deere - 10361
• John Deere - 10357
• John Deere - 2667
• John Deere - 2814
• John Deere - 10463
• John Deere - 1400
• John Deere - 1500
• John Deere - 2520
• John Deere - 495
• John Deere - 4100
• John Deere - 4200
• John Deere - 4400
• John Deere - 4500
• John Deere - 4600
• John Deere - 4700
• John Deere - 595
• John Deere - 600L
• John Deere - M665
• John Deere - Z-Trac 520
• John Deere - Z-Trac 667
• John Deere - Z-Trac 757
• John Deere - Z-Trac 797
• John Deere - Z-Trac 720
• John Deere - Z-Trac 820
• John Deere - Z-Trac 830
• John Deere - Z-Trac 840
• John Deere - Z-Trac 850
• John Deere - Z-Trac 860
• John Deere - Z-Trac 915
• John Deere - 1023E
• John Deere - 1025R
• John Deere - 4210
• John Deere - F620
• John Deere - F680
• John Deere - F735
• John Deere - F687
• John Deere - 737
• John Deere - Z520A
• John Deere - Z820A
• John Deere - 757
• John Deere - Z840A
• John Deere - Z830A
• John Deere - Z860A
• John Deere - Z920A
• John Deere - Z925M EFI
• John Deere - Z850A
• John Deere - Z930M EFI
• John Deere - Z930R
• John Deere - Z930M
• John Deere - 777
• John Deere - 797
• John Deere - 667
• John Deere - Z720A
• John Deere - 667A
• John Deere - 4300
• John Deere - 997
• John Deere - 4410
• John Deere - 4310

WARNING: This product can expose you to Nickel, a chemical known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov

Oregon part number: 91-078