5020843S Lawn Mower Blades for 48" Deck, Compatible with Ferris IS1500Z Bobcat 112111-01 Ex Mark 103-1577 103-2507 103-2527 103-6518 Gravely 00273000 04919100, 3 Pack (High Lift)

What It Is

This is a 3-pack of high-lift lawn mower blades designed for 48-inch cutting decks. They are built for heavy-duty commercial mowing, providing superior grass lift and discharge in thick or wet conditions.

Fitment & Compatibility

Before buying, confirm your deck is exactly 48 inches. These blades are compatible with Ferris IS1500Z, Bobcat 112111-01, Ex Mark models 103-1577, 103-2507, 103-2527, 103-6518, and Gravely 00273000 and 04919100. Measure your blade length (likely 18-19 inches), width (about 2.5-3 inches), center hole diameter (typically 5/8-inch or 7/8-inch), and ensure the blade pattern matches. These are aftermarket replacements, not OEM, so verify your existing part numbers match those listed.

Key Things to Know

• Quality: High-lift design means more suction for better cutting and bagging, but also more wear on the deck and engine if not balanced.
• Installation: Easy with a socket set, but always torque to spec (usually 70-90 ft-lbs). Use a blade balancer after install to avoid vibration.
• Gotcha: High-lift blades can cause excessive dust and debris in dry conditions; they excel in tall or damp grass.
• Pack: Three blades per pack, so you can replace all at once or keep spares.

Should You Buy It

If you own a compatible Ferris, Bobcat, Ex Mark, or Gravely with a 48-inch deck and need aggressive cutting for commercial or tough residential lawns, this is a solid, affordable choice. Avoid if you prefer standard lift blades for dry, manicured lawns.