Grasscool 138971 532138971 High Lift 5 Star Blades for Craftsman 42 inch Mower LT1000 LT2000 T110 YT3000 YTS3000 42'' Zero Turn Lawn Tractor

What It Is

The Grasscool 138971 532138971 is a set of three high-lift 5-star blades designed for 42-inch Craftsman lawn tractors and zero-turn mowers. They are built for heavy lifting and discharge of grass, making them ideal for mulching or bagging in tall or thick lawns.

Fitment & Compatibility

• Deck size: Only for 42-inch cutting decks. Measure your deck width before buying.
• Model fit: Compatible with Craftsman LT1000, LT2000, T110, YT3000, YTS3000, and 42-inch zero-turn models. Also fits many Husqvarna, Poulan, and AYP-built tractors with a 42-inch stamped deck.
• OEM vs aftermarket: This is an aftermarket replacement for OEM part numbers 138971 and 532138971. Not a genuine Craftsman part, but meets OEM specs.
• Measurements: Blade length is 20.5 inches, center hole is 1 inch diameter, with a 5-point star drive. Verify your spindle matches a star pattern before ordering.
• Check your blade bolt size: These use a 5/8-inch bolt; confirm your mower uses the same.

Key Things to Know

• High-lift blades create more suction than standard blades, improving bagging and discharge but requiring more engine power. Not ideal for low-horsepower mowers.
• Installation difficulty: Easy—just a single bolt per blade. Use a torque wrench (40–50 ft-lbs) to avoid stripping or loosening. Never reuse old bolts.
• Quality: Made from durable steel, but sharpness may vary out of the box. Lightly sharpen with a file if needed.
• Common gotcha: Star drive must align perfectly with your spindle; some older Craftsman models use a different drive pattern. Check visually before buying.

Should You Buy It

Yes, if you own a compatible 42-inch Craftsman tractor and need a budget-friendly, high-lift blade for bagging or tough grass. Avoid if your mower has a low-horsepower engine or you prefer genuine OEM parts. For the price and rating, it’s a solid upgrade over standard blades.