759-3829 Mulching Blades for 38" Deck, 742-3032 Mower Blades Compatible with Cub Cad et 1515 1525 2130 2135 2146 LT-2138, Replaces 742-0321 742-0322 742P3032, 2 Pack

What It Is

This is a 2-pack of aftermarket mulching blades designed for 38-inch cutting decks, intended to finely chop grass clippings for nutrient recycling. They replace OEM blades on select Cub Cadet and MTD-built lawn tractors used for residential mowing.

Fitment & Compatibility

Before buying, verify these three things:

1. Deck size: Fits only 38-inch decks; measure deck width or check your mower model.
2. Model compatibility: Confirmed for Cub Cadet 1515, 1525, 2130, 2135, 2146, LT-2138, and other models using 38" decks. Also fits many MTD, Troy-Bilt, and Yard-Man tractors with the same deck.
3. OEM cross-reference: Replaces Cub Cadet/MTD OEM parts 742-0321, 742-0322, and 742P3032. The part number 759-3829 is the aftermarket equivalent. Measure your old blade’s center hole (usually 1" or 7/8"), overall length (approx. 18-1/2"), and thickness (approx. 0.203") to confirm.

Key Things to Know

• Quality vs. OEM: Aftermarket blades are typically lighter-gauge steel than OEM. They mulch well but may dull faster on tough grass or debris.
• Installation: Standard bolt-on job—use a torque wrench (40-50 ft-lbs). Lift the deck safely, block it, and wear gloves.
• Sharpening: Mulching blades are often more curved than standard blades; sharpen only the top edge and maintain the original profile.
• Common gotcha: These are not universal—double-check your deck model number (stamped on the deck) if your tractor is older or modified.

Should You Buy It

Buy if you own a Cub Cadet or MTD lawn tractor with a 38" deck and want an affordable mulching upgrade for cleaner bagging-free cuts. Skip if you need heavy-duty commercial durability or have a different deck size. At $35.99 with strong reviews, it’s a solid value for residential use.