ILONPA 48" Air-Lift Mower Blades for Ariens Gravely Exmark Toro Ferris Snapper 103-2527 1520843 5020843 1520843S 103-6583 1-7036 04919100 00273000 04920600 539100340 48 inch Deck Lawn Mower, Black

What It Is

This is a set of three 48-inch air-lift mower blades designed for zero-turn and lawn tractors with 48-inch cutting decks. They use a curved, high-lift design to create vacuum airflow that lifts grass upright for a cleaner cut and better bagging or mulching performance.

Fitment & Compatibility

Before buying, confirm these three things:

• Deck size: These blades are exactly 48 inches long. Measure your existing blade length—do not rely on deck size alone. A 48-inch deck may use blades shorter than 48 inches (e.g., 46-inch blades).
• Center hole & offset: Check that the center hole diameter matches your spindle (typically 7/8" or 1"). Also verify the blade offset (the distance from the center hole to the blade tip) matches your deck’s design—incorrect offset can cause poor cutting or deck damage.
• OEM cross-references: These replace Ariens/Gravely 103-2527, Exmark 103-6583, Toro 1520843/5020843/1520843S, Ferris 1-7036, Snapper 04919100/00273000/04920600, and Stens 539100340. But aftermarket blades may vary in thickness, material, or balance. Check your owner’s manual for exact OEM part numbers.

Key Things to Know

• Installation: Straightforward if you have a blade removal tool and torque wrench. Tighten to manufacturer spec (typically 70–90 ft-lbs). Left-hand threads on some spindles—check before forcing.
• Balance: Aftermarket blades sometimes need balancing. Use a blade balancer; an unbalanced blade causes vibration and spindle wear.
• Deck clearance: Air-lift blades require more deck clearance than standard blades. If your deck is low-profile or you mow very low (under 1.5 inches), these may hit the deck shell or cause scalping.
• Lift vs. power: High lift improves cut quality but also increases engine load and reduces bagging capacity in wet grass. You may need to mow slower or raise the deck.

Should You Buy It

Buy these if you have a 48-inch deck from Ariens, Gravely, Exmark, Toro, Ferris, or Snapper and want better lift for tall or thick grass—especially if you bag clippings. Skip them if your deck is low-clearance or you mow very short, or if you prefer OEM blades for guaranteed fit and balance. At $34.99, they’re a budget-friendly alternative to OEM, but check fitment carefully first.