Mower Blades

Oregon 48 Inch Lawn Mower Blades, Gator G3 Blades for 48" Deck, 16-15/16" Length, Replacement for UC22009, M145476, M127500 and Fits John Deere 325, 335, 345, 355D, GX255, GX325 and More (3 Pack)

4.6/5 (19 reviews)
$39.49
Oregon 48 Inch Lawn Mower Blades, Gator G3 Blades for 48" Deck, 16-15/16" Length, Replacement for UC22009, M145476, M127500 and Fits John Deere 325, 335, 345, 355D, GX255, GX325 and More (3 Pack)
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What It Is

This is a 3-pack of Oregon Gator G3 mulching blades for 48-inch lawn mower decks, designed for residential and light commercial use. They cut grass clippings into fine particles for better lawn nutrition and reduce bagging frequency.

Fitment & Compatibility

Before buying, verify these three things:

  • Deck size: Your mower must have a 48-inch cutting deck. Measure deck width if unsure—this is not for 42-inch or 54-inch decks.
  • Blade length: Each blade is 16-15/16 inches long. Measure your current blade from tip to tip; if it’s close to 17 inches, these should fit.
  • OEM cross-references: This set replaces John Deere part numbers UC22009, M145476, and M127500. Fits models including John Deere 325, 335, 345, 355D, GX255, and GX325. Also fits many other brands with a 48-inch deck using a 5-point star center hole (check your spindle pattern).

Critical check: Confirm your deck uses three blades (not two). Measure the center hole shape and diameter—Oregon G3 requires a 5-point star pattern, not a round or oval hole.

Key Things to Know

  • Mulching performance: The Gator G3’s curved, serrated design chops clippings finer than standard blades, reducing clumping and thatch buildup.
  • Installation difficulty: Moderate. You’ll need a socket wrench and torque wrench (recommended torque: 70-90 ft-lbs). Always disconnect the spark plug first.
  • Common gotcha: These are not for side-discharge or bagging-only use—they’re optimized for mulching. If you switch often, consider a multi-purpose blade.
  • Durability: Oregon uses heat-treated steel; they hold an edge longer than budget blades but may dull faster on sandy or rocky soil.

Should You Buy It

Yes, if you own a 48-inch John Deere (or compatible) mower and want better mulching performance without upgrading to a commercial blade set. The price is fair for a 3-pack, and the 4.6-star rating reflects solid value. Skip it if you need a universal fit or primarily bag clippings.

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