Bularie 2105200317A 21-Inch Mower Blade | Oval Center Hole | 2 Pack for Murray/HyperTough

Overview

The Bularie 2105200317A mower blade is a sturdy, 21-inch replacement designed to fit select Murray, HyperTough, and Black Max mowers. This two-pack provides ready-to-use blades that align with standard mower decks, helping you maintain a clean, even lawn with less downtime between replacements.

Quality, design, and performance

Crafted from high-quality steel, these blades are built to handle routine yard work while resisting wear from grass, sand, and occasional debris. The blade edge is honed for precise shearing, promoting efficient cutting that can help you achieve a consistent lawn appearance without excessive strain on your mower.

• Replacement part numbers: 2105200317A, 2105200317, 84005221
• Oval center hole design for stable mounting and balanced operation

Compatibility at a glance

These blades are compatible with 21-inch deck mowers including Murray models MNA152901, MNA152903, MNA152703, MNA152702, and Black Max MNA152905, as well as HyperTough MNA152701 with a 20-inch deck. Always verify the part number and model before ordering to ensure a proper fit.

• 21-inch deck blades for popular brands
• Includes compatibility with multiple MNA-series models

What’s included and fitment details

Each package includes 2 blades sized for a 21-inch deck. Key dimensions ensure a close fit with the curved side facing the mower deck during installation. Before replacing, compare the listed specifications with your existing blade to confirm a match.

• Length: 21 inches
• Width: 2 1/4 inches
• Thickness: 0.1495 inches
• Oval Center Hole: 31/32 inch; Outside Hole: 5/7 inch; Center to Center: 2 1/8 inch

Installation is straightforward with the blade-lock tool. Remove the old blade, align the curved side to the deck, and secure with the existing hardware. Keeping a sharp edge on mowing blades can contribute to cleaner grass lines and a more even cut over time.

Real-world use and benefits

Ideal for routine lawn maintenance, these blades are designed to deliver dependable performance through regular mowing sessions. While results can vary based on mowing conditions and maintenance habits, users may notice compact, even cuts and reduced need for frequent blade replacements when paired with proper mower care.