10421 High-Lift Mower Blade for Exmark and Hustler
10421 High-Lift Mower Blade for Exmark and Hustler is an exact replacement mower blade identified by part number 10421. Match the complete part number, mounting pattern, dimensions, and equipment configuration before ordering.
Verified Specifications
| Blade length | 24-1/2 in. |
|---|---|
| Blade width | 3 in. |
| Thickness | 0.204 in. |
| Center hole | 5/8 in. |
| Profile | Solid-airfoil high-lift |
Replacement References
Exmark 103-1581 and 103-1581-S; Hustler 798702; Spartan 438-0003-00.
Verified Fitment Guidance
Exmark Lazer Z, Lazer Z XP, and Lazer Z XS, plus Hustler XR7 Super Z applications. Three blades are required for a 72-inch deck. Rotary lists an ordering multiple of one.
What One Purchase Includes
One blade. Multi-blade decks require the quantity specified for the exact deck.
Fitment and Installation
Confirm the complete OEM or replacement number, mower model, serial range, deck size, mounting pattern, and required blade quantity. Stop the engine, remove the key, disconnect the spark-plug lead, secure the blade, wear cut-resistant gloves, install in the correct orientation, and torque hardware to the equipment manufacturer's specification.