John Deere Original Equipment Mower Blade - M135590

The part specifications for M135590:
Part Number: M135590
Part Name: Mower Blade
Length(IN): 18.6929
Stock Width(IN): 2.5000
Thickness(IN): 0.2039
Wing Height(IN): 1.0354
Hole Size(IN): 0.7972
Cut Length(IN): 5.2520
Offset(IN): 0.5118
Material(ALPHA): 10B38
Finish(ALPHA): A - Heat Treated

This Mower Blade fits these models:
325, 335 and 345 Lawn and Garden Tractors
48-Inch, 54-Inch and 60-Inch Mower Decks for F620,F680 and F687 ZTrak Mowers
54-Inch Commercial Walk-Behind Mower
F725 Front Mowers
F735 Front Mower (Diesel)
GS25, GS30, GS45 and GS75 Commercial Walk-Behind Mowers
SABRE 2254HV Garden Tractor
SABRE 2354HV Garden Tractor
SABRE 2554HV Garden Tractor
Scotts S2554 Garden Tractor

This is an OEM John Deere part.