MaxPower 561735XB 3-Blade Commercial Mulching Set for 48" Cut Mowers | Replaces OEM 173921/532173921

Overview

MaxPower's 561735XB set includes three commercial mulching blades designed for 48-inch decks, compatible with popular mower lines from Craftsman, Husqvarna, and Poulan. Each blade measures 16-5/8 inches in length and 2-1/2 inches in width, with a 5-point star center hole for secure mounting. The blades are manufactured to meet or exceed OEM specifications and are proudly made in the USA, delivering reliability you can trust when tending larger lawns.

Key design benefits

• Expanded cutting surface to improve mulching performance and clipping control.
• Sharpened cutting teeth for a precise, consistent trim on every pass.
• Centrifugal air lift design promotes even distribution of clippings through the deck.
• Powder-coated finish adds durability and corrosion resistance; the coating may wear away on first use to reveal a sharp edge.
• Manufactured to meet or exceed OEM specifications for dependable replacement parts.
• Made in the USA, reflecting a commitment to quality and local production.

Compatibility, fit, and installation tips

These blades are designed for 48-inch cut mowers and fit several common models. Before purchasing, verify that your mower’s OEM number matches one of the supported codes.

• Replaces OEM numbers 173921 and 532173921 (also listed as 5321739-21 in some catalogs).
• Each blade: 16-5/8 inches long, 2-1/2 inches wide, with a 5-point star center hole.
• Includes three blades and is ready for installation with standard safety practices.

Real-world use and care

In practical yard work, this three-blade set can support a robust mulching cycle, helping to reduce visible clippings while maintaining lawn health. Expect even chop distribution due to the blade geometry, and a durable powder-coated surface that protects against corrosion through busy mowing seasons. For best results, follow your mower’s manual to confirm compatibility and use proper mounting procedures. The finish may wear away after the first cut, revealing the sharpened edge intended for consistent performance.