Husqvarna Replacement Blade: 539 11 20-78
539112078
(3) blades for a 42" cut
Standard Blade clockwise with a diagonal cutting length 15" suitable for e.g. the following model(s):
HUSQVARNA Lawn Tractor(s): YTH2242 TDF, YTH2242 TDRF, YTH2242 TF, YTH24V42 LS