12121 Mulching Mower Blade for Husqvarna and AYP
12121 Mulching Mower Blade for Husqvarna and AYP
12121 Mulching Mower Blade for Husqvarna and AYP is a single Copperhead-profile mulching blade for the documented 54-inch mower-deck applications below. Match the complete part number, five-point-star mounting pattern, blade dimensions, and mower model before ordering.
Specifications
- Manufacturer part number: 12121
- Blade profile: Mulching
- Length: 18-1/2 inches
- Width: 3 inches
- Thickness: 0.187 inch
- Center hole: 5-point star
- Included quantity: 1 blade
Fitment and Replacement References
Replaces AYP 187254, 187255, 187256, 532187255, 532187256, 575938501, and 594892901; Husqvarna 532187255; Poulan 532187255, 575938501, and 582923101; and Ariens 21546848. Documented applications include Husqvarna YTH2454, LGTH2454, YTH2454T, GTH2654T, LGT2554, GTH26K54T, and LGT2654, plus compatible Poulan Pro 54-inch-deck models.
Deck quantity: Three blades are required for the documented 54-inch deck. This listing includes one blade.
Fitment Safeguard
Confirm the complete OEM or replacement number, mower model, serial range, deck size, five-point-star mounting pattern, blade profile, and required deck quantity. Similar-looking blades can differ in lift, offset, mounting pattern, and rotation.
Installation
Stop the engine, remove the key, disconnect the spark-plug lead or battery power, secure the blade, and wear cut-resistant gloves. Install in the correct orientation and torque hardware to the equipment manufacturer's specification.