Oregon 48" Riding Mower Blade Set — 3-Pack Replacement for Sears/Craftsman 180054, 16-3/4" Flat Blades

Oregon Replacement 180054 Blade Set is a three-piece flat blade kit engineered to fit 48" decks on Sears/Craftsman, Poulan and compatible Husqvarna riding mowers for reliable, OEM-spec cutting performance.

This blade set replaces Sears/Craftsman part number 180054 and gives you three flat mower blades sized for 48-inch decks. Each blade measures 16-3/4 inches long and 2-1/2 inches wide and is manufactured to match original equipment dimensions, so installation and balance remain consistent with factory expectations. These blades are designed for standard discharge mowing; they will also serve as replacements for numbers 173920 or 173921 when you are not using a mulching plug.

Will these blades fit my 48" Sears or Craftsman riding mower?

Yes—these Oregon blades are made to the exact OEM specifications for the 180054 replacement part and are intended for 48" decks on compatible models. They’re crafted to match the length, width and mounting hole pattern used by the original blades so you can swap them in without modifying your deck.

• Fits 48" cutting decks on Sears/Craftsman and compatible Poulan/Husqvarna models
• Direct replacement for part number 180054
• Also replaces 173920 or 173921 when not using a mulching plug
• Mounting pattern and dimensions match OEM for easy installation

How are these blades built and what are the exact dimensions?

Oregon manufactures these blades to meet original equipment specifications for consistent fit and balance. The flat design is a straightforward, reliable format for standard mowing tasks and resharpening when needed.

• Blade length: 16-3/4 inches
• Blade width: 2-1/2 inches
• Flat blade profile for standard discharge mowing
• Set includes three identical blades, enough for a full 48" deck replacement

What mowing style and maintenance are these blades best for?

These flat blades are optimized for standard side-discharge mowing and general lawn maintenance. They provide consistent cutting performance and can be resharpened several times; however, inspect blades regularly for damage or excessive wear and replace as needed for safety and quality of cut.

• Best for discharge mowing on medium to large lawns
• Can be resharpened—maintains edge for multiple seasons with proper care
• Replace if bent, cracked or excessively worn to maintain balance
• Three-blade set ensures all blades match for even cut and reduced vibration

How easy is installation and what should I check during replacement?

Installation is straightforward with the blades manufactured to original mounting specifications—no modifications should be required. Always follow mower manufacturer instructions: disconnect spark plug, raise deck, and torque blade bolts to the mower’s specified setting to ensure safe operation and proper balance.

• Disconnect spark plug before working on the mower for safety
• Install all three blades to keep cutting even and reduce vibration
• Use correct torque values from your mower manual on blade bolts
• Check blade orientation and balance after installation

Who this is for: This Oregon blade set is for owners of 48" Sears, Craftsman, Poulan or compatible Husqvarna riding mowers who need a reliable, OEM-spec replacement. It’s ideal for homeowners and landscapers who prefer a standard flat blade for consistent side-discharge cutting, want an exact-fit swap for part 180054, and appreciate the convenience of a three-blade kit to service an entire deck at once.