3Pk 90-685 Mulching Blades (16-1/8") Compatible with Simplicity & Snapper with 44" Decks

What It Is

This is a 3-pack of aftermarket 90-685 mulching blades (16-1/8" long) designed for Simplicity and Snapper lawn tractors with 44-inch cutting decks. They replace OEM blades to improve mulching performance by chopping clippings finer for better lawn fertilization.

Fitment & Compatibility

• Deck size: Only for 44-inch decks (not 38", 42", or 50").
• Brand/models: Fits many Simplicity and Snapper tractors (e.g., Snapper 2813, 3315; Simplicity Broadmoor, Regent, Conquest) with 44" decks.
• Check before buying: Measure your existing blade length (center hole to tip) – must be exactly 16-1/8". Also verify the center hole diameter (usually 1" but confirm) and the blade offset (0.5" typical). Cross-reference OEM part numbers: 90-685, 7090-685, or 1720697.
• Aftermarket note: This is not a genuine Snapper/Simplicity blade – it’s a compatible replacement. Ensure your deck uses 3 blades (most 44" decks do).

Key Things to Know

• Quality: 4.2 stars from 44 reviews – generally good, but some users note blades may be slightly thinner than OEM, which can reduce lifespan in rocky terrain.
• Installation: Easy if you have a socket set and jack stands. Always disconnect the spark plug before working. Use a torque wrench (tighten to 70-80 ft-lbs).
• Common gotcha: These blades are for mulching only – not for bagging or side-discharge. If you switch between modes, you’ll need different blades.
• Balance: Aftermarket blades sometimes arrive slightly out of balance – check with a blade balancer before installing to avoid vibration.

Should You Buy It

Buy this if you have a Simplicity or Snapper 44" deck and want an affordable 3-pack for mulching. It’s a solid value for regular home use, but if you mow heavy weeds or rocky lawns, consider OEM blades for better durability.