Choose this manufacturer-approved blade for your walk-behind lawn mower.
This 3-in-1 replacement 21-inch blade for an AYP or Craftsman walk-behind lawn mower model number 917370541 can be used to mow, mulch and discharge grass.
Disconnect the spark plug wire before beginning to install the new blade, then tip the mower so the air filter is up to access the underside of the mower deck.
Consult the owner's manual for your mower to get information on the amount of torque to apply to the blade bolts.
Lawn & Garden/Yard/Farm
2.1" INHx 0.5" INHx 21"FOT
- Installations last year: 22
- Average installation time: 42 minutes
- Level of repair difficulty: