2105200317A Lawn Mower Blade For 21 Inch Lawn Mower Deck MNA152505 MNA152701

This Lawn Mower Blade is a replacement cutting blade compatible with 21-inch lawn mower decks and matches OEM part numbers 2105200317A, MNA152505, MNA152701.

Product Overview

This premium lawn mower blade delivers a clean, precise cut for 21-inch mower decks. Crafted to match OEM part numbers 2105200317A, MNA152505, and MNA152701, this lawn mower blade restores cutting performance on compatible walk-behind and riding mowers. The lawn mower blade’s hardened steel construction ensures a consistent cut season after season.

Key Features & Performance

• Precision-balanced design reduces vibration and protects spindle bearings
• Hardened, heat-treated steel resists wear and maintains a sharp edge longer
• Rust-resistant coating prevents corrosion and buildup
• Engineered for consistent 21-inch cutting swath on standard decks
• Matches OEM part numbers MNA152505 and MNA152701 for a guaranteed fit

Common Uses

• Replacing dull or damaged blades on 21-inch walk-behind and riding mowers
• Maintaining residential lawns, parks, and commercial landscapes
• Restoring cutting efficiency after impact with rocks or debris
• Essential spare for landscaping crews and DIY homeowners

Technical Specifications

• Part Number(s): 2105200317A, MNA152505, MNA152701
• Deck Size: 21 inches

Frequently Asked Questions

Q: How often should I sharpen or replace this blade? A: It is recommended to sharpen the blade after every 20–25 hours of mowing or when cut quality declines; replace the blade immediately if it is bent, cracked, or excessively worn.

Q: Will this blade fit a mulching deck? A: This blade is designed for standard 21-inch mower decks and can function as a mulching blade if your deck has a mulching kit; always match the OEM part numbers to confirm compatibility.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.