Husqvarna 532138971 42-inch Premium Replacement Blade For Husqvarna/Poulan/Roper/Craftsman/Weed Eater

What It Is

This is a 42-inch universal replacement blade set for side-discharge or mulching mower decks, designed to fit Husqvarna, Poulan, Roper, Craftsman, and Weed Eater tractors. It’s a direct OEM-style blade (part 532138971) for standard residential lawn cutting.

Fitment & Compatibility

• Deck size: Only for 42-inch cutting decks. Measure your deck width to confirm.
• Blade measurements: 21-inch length (each blade), 1-inch center hole, 0.25-inch thickness, 0.5-inch offset. Verify against your current blade.
• Brands/models: Fits most Husqvarna, Poulan Pro, Roper, Craftsman (LT1000/2000/3000 series), and Weed Eater riding mowers with 42-inch decks. Check your mower’s OEM part number—this replaces Husqvarna 532138971, 138971, and equivalent Poulan/Craftsman numbers.
• OEM vs aftermarket: This is an OEM Husqvarna blade, not a generic. It matches factory specs for balance and cut quality.
• What to check: Look up your mower’s model number (e.g., 917.XXXXX for Craftsman) and confirm the blade part number cross-references. Also verify you have a three-blade deck (common on 42-inch models).

Key Things to Know

• Installation: Easy—just remove the old blade, note the orientation (sharp edge forward), and torque the bolt to 50–60 ft-lbs. Use a blade removal tool or block the blade with wood.
• Durability: Heat-treated steel holds an edge well for a season of regular use. Not for heavy-duty or commercial mowing.
• Common gotchas: The blade is stamped, not forged—so it can bend if you hit a rock or stump. Check deck spindle alignment before installing; a bent spindle will cause vibration.
• Mulching vs bagging: Works for both, but for best mulching, consider a dedicated mulching blade (this is a standard lift blade).

Should You Buy It

Buy it if you have a 42-inch Husqvarna/Poulan/Craftsman riding mower and need a direct OEM replacement that’s well-priced and easy to install. Skip it if you have a different deck size, want a high-lift or mulching blade, or need a heavy-duty option for rough terrain.