532138971 Mower Blades for Craftsman/HU/Pou LAN 42" Lawn Tractor, 138498 High Lift Blades for Craftsman LT1000 DYT4000, Hus qvarna YTH18542, Replace 127843 531307224, 2 Pack

What It Is

These are 42-inch high-lift replacement blades for Craftsman, Husqvarna, and Poulan lawn tractors. The high-lift design creates stronger suction for better grass clipping discharge and bagging performance, making them ideal for mulching or collecting leaves in medium to large yards.

Fitment & Compatibility

• Deck size: 42-inch cutting deck only. Measure your deck from blade tip to blade tip (not the housing width) to confirm.
• Fitment check: Cross-reference your model number with 532138971, 138498, 127843, or 531307224. Common compatible tractors include Craftsman LT1000, DYT4000, Husqvarna YTH18542, and many Poulan Pro models.
• OEM vs aftermarket: These are aftermarket blades that match OEM specs. They fit most 42-inch Craftsman, Husqvarna, and Poulan decks with a center hole size of 1-inch and a 5-point star pattern. Measure your blade length (should be 20.5 inches end-to-end) and center hole before ordering.
• What to check: Verify your deck spindle bolt pattern (usually 5-point star). If your blades use a different center hole (e.g., oval or square), these won’t fit.

Key Things to Know

• Installation: Moderate difficulty. You’ll need a socket wrench and a blade removal tool or block of wood to prevent spinning. Torque bolts to 70-90 ft-lbs. Always disconnect the spark plug before working.
• Sharpness: Blades come unsharpened—you’ll need to sharpen them before first use. A file or bench grinder works. Dull blades tear grass, causing brown tips.
• Lift performance: High-lift blades improve bagging but can strain the engine in thick, wet grass. Avoid mowing when grass is wet to prevent clumping and bogging.
• Durability: Heat-treated steel holds an edge well but can chip on rocks or roots. Inspect after each mowing season; replace if bent or heavily nicked.

Should You Buy It

Buy these if you have a 42-inch Craftsman, Husqvarna, or Poulan tractor and want better bagging or leaf collection. They’re a solid value for the price, but skip them if you need low-lift blades for dry, sandy conditions or if your deck uses a different center hole pattern. Sharpen before first use and you’ll get reliable performance.