742-3008 High-Lift Mower Blade Compatible with Cub Cad-et 38" Decks Lawn Mower 327, 331, 363 Replaces 759-3816, 742-3009, 759-3817, 2 Pack

What It Is

This is a high-lift replacement blade set (2-pack) for 38-inch Cub Cadet mower decks, designed for models like the 327, 331, and 363. The aggressive high-lift design increases airflow under the deck to improve grass clipping lift and discharge, making it ideal for mulching or bagging in thick grass.

Fitment & Compatibility

Before you buy, confirm these three things:

• Deck size: Must be a 38-inch deck. Measure cutting width from blade tip to blade tip.
• OEM replacements: Replaces Cub Cadet OEM part numbers 759-3816, 759-3817, 742-3009. Cross-check your current blade’s part number.
• Measurements: Blade length is 18 inches (center hole to tip), 1-inch center hole, 0.200-inch thickness. Measure your old blade’s length, hole diameter, and thickness to verify.
• Model check: Fits Cub Cadet 327, 331, 363 series. Not compatible with 42-inch or 46-inch decks—only 38-inch.

Pro tip: If your deck uses a different center hole size (e.g., ⅝-inch or 7/16-inch), this blade won’t fit. Always measure before ordering.

Key Things to Know

• Lift performance: High-lift blades create more suction than standard blades, improving bagging and discharge. Expect less efficiency in dry, dusty conditions—they can kick up debris.
• Installation: Straightforward swap. Use a torque wrench to tighten blade bolts to 40-50 ft-lbs. Never overtighten—can warp the blade or strip the bolt.
• Sharpening: These are disposable blades. Sharpening reduces lift performance and unbalances them. Replace when dull or nicked.
• Balance check: Always balance new blades after installation. An unbalanced blade causes vibration, cuts poorly, and can damage the spindle.

Should You Buy It

If you own a 38-inch Cub Cadet (327, 331, or 363) and need better bagging or mulching in tall, thick grass, this is a solid, affordable upgrade. The high-lift design delivers noticeably better clip discharge than standard blades. However, if your yard is mostly dry, short grass, a standard lift blade will suffice and cost less. For most homeowners with a 38-inch deck who bag or mulch, this is the right choice.