Skip to main content
FallHalloweenPetLawn & GardenTruck & AutomotiveClothingPoultryHeating & CoolingHorseSporting GoodsOutdoor Power EquipmentFencing & GatesLivestockOutdoor LivingPet & Animal PharmacyToolsHome ImprovementFarm & RanchBoots & ShoesTrailers & TowingHome Decor & FurnitureWild Birds & WildlifeToysGift CardsServices Propane RefillTrailer RentalGarden CenterFeed CenterSame Day DeliveryPetVet ClinicPet WashGrooming at PetsenseDog Training at PetsenseTractor Supply RxPet InsuranceWag!

"Savings and Offers"

Weekly AdSaleClearance

"More Options"

Weekly AdWhat's NewTractor Supply AppEarn Rewards with Neighbor's ClubHometown HeroesLife Out Here BlogTSC Exclusive BrandsTop BrandsClearance ItemsBattery FinderOutdoor Power Equipment Parts FinderHitch Finder

Spend $49.99 to unlock Free Delivery on most orders

|
Learn More
Order statusTSC Credit CardsWhat’s newPetsenseWeekly Ad
​

Sign In / Enroll

Get rewarded!

​
Menu

Search

Home

Sign In

Cart
0.0
(0)
0.0 out of 5 stars.
A woman outside with a dog
A woman outside with a dog
  1. Home
  2. /
  3. Lawn & Garden
  4. /
  5. Lawn Mowers & Attachments
  6. /
  7. Mower Parts
  8. /
  9. Mower Blades
  10. /

  11. Oregon 21 in. Universal 3-in-1 Mulching Lawn Mower Blade

  1. Home
  2. /
  4. /
  5. Mower Blades

Oregon 21 in. Universal 3-in-1 Mulching Lawn Mower Blade

Shop all Oregon

  • Online Only

Oregon 21 in. Universal 3-in-1 Mulching Lawn Mower Blade

Item # 2087911

Oregon Oregon 21 in. Universal 3-in-1 Mulching Lawn Mower Blade
Oregon Oregon 21 in. Universal 3-in-1 Mulching Lawn Mower Blade
$29.99
Add a protection plan
Powersport plans are not available in CA & MD.
Neighbor's Club logo
Neighbor’s Club Members earn points with purchases.

Sign in or Join Now

Shop all Oregon

  • Online Only

Oregon 21 in. Universal 3-in-1 Mulching Lawn Mower Blade

Item # 2087911

Oregon Oregon 21 in. Universal 3-in-1 Mulching Lawn Mower Blade
Oregon Oregon 21 in. Universal 3-in-1 Mulching Lawn Mower Blade
$29.99
financeCard Logo
New Cardmembers earn a $20 Reward‡ with qualifying purchase of $20 or more plus earn 5% in Rewards+ on this purchase. Valid through 8/9/26.

This item is available online only

Delivery to

Free standard delivery on online footwear & Clothing purchases of $49 and over.

​
Add a protection plan
Powersport plans are not available in CA & MD.
Neighbor's Club logo
Neighbor’s Club Members earn points with purchases.

Sign in or Join Now

Oregon Exact Replacement blades are expertly designed to match the dimensions of the Original Manufactured Blade. Blades come pre-sharpened at the optimal angle to deliver continuous clean-cuts and keep your lawn looking healthy. Using a proprietary blend of steel and machine straightening, Oregon blades are not only durable, but perfectly balanced to deliver straight cuts, while resisting nicks and dings. Oregon designs for pros first, meaning our blades live up to all vegetation and are easy to sharpen. All of this is backed by our Lifetime Warranty.

Looking for more information on lawn mower maintenance? Check out our guide on lawn mower maintenance in the product documents section.

  • Lawnmower Blade for 21 in. Deck - 3-in-1 Blade: Mulches, Bags, and Discharges clippings, Universal Fit
  • Universal Fit for Blades with 3/8", 1/2", 7/16", 9/16", 5/8", & 13/16" round center holes
  • Does not fit Honda brand lawnmowers
  • Includes 1, 20-3/4" blade for a 21" deck. 2.25" in width. Comes with adapters to fit 3/8", 1/2", 7/16", 9/16", 5/8", & 13/16" round center holes
  • 3-in-1 Blade: Mulches, Bags, and Discharges clippings depending on your mower settings
  • Sharp-cut: Oregon blades are pre-sharpened at the optimum angle to provide a clean-cut from the first mow, the edge reduces the chance of tearing grass, which can lead to the browning of grass tips due to infection
  • 26-point certification of unparalleled manufacturing quality and control standards for the highest level of safety and durability
BrandOregon
Country of OriginImported
Brand CompatibilityUniversal
Center Hole Diameter0.375 in. , 0.5". . 5,625 in. , 0.625 in. , 0.8125 in.
Compatible Deck Size21 in.
Cutting Edge LocationDual
Features3-in-1 Blade, Mulches, Bags, and Discharges clippings
Model CompatibilityUniversal
Mower Blade TypeOther
Package Quantity1
Primary MaterialSteel
Product Height0.9 in.
Product Length20.65 in.
Product Weight1.97 lb.
Product Width2.3 in.
Rolled Lift TypeFormed
Thickness0.41 in.
WarrantyLimited Lifetime
Manufacturer Part NumberU-21-1
No questions have been asked about this product.

No questions have been asked about this product.

Q&As

No questions have been asked about this product.

No questions have been asked about this product.

Similar Items

  1. Top Rated
    Oregon 20 in. Universal 3-in-1 Mulching Lawn Mower Blade
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Oregon 20 in. Universal 3-in-1 Mulching Lawn Mower Blade

    $22.99
  2. Oregon 22 in. Universal 3-in-1 Mulching Lawn Mower Blade
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Oregon 22 in. Universal 3-in-1 Mulching Lawn Mower Blade

    $29.99
  3. Oregon 21 in. Mulching Lawn Mower Blade for John Deere and Toro Mowers
    4.7 out of 5 stars with 3 reviews
    4.7 (3)

    Oregon 21 in. Mulching Lawn Mower Blade for John Deere and Toro Mowers

    $12.99
  4. Oregon 21 in. Mulching Lawn Mower Blade for Cub Cadet, Troy-Bilt and Craftsman Push Mowers
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Oregon 21 in. Mulching Lawn Mower Blade for Cub Cadet, Troy-Bilt and Craftsman Push Mowers

    $24.99
  5. Top Rated
    Oregon 21 in. Gator Mulching Lawn Mower Blade for Husqvarna and Craftsman Push Mowers
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Oregon 21 in. Gator Mulching Lawn Mower Blade for Husqvarna and Craftsman Push Mowers

    $29.99
  6. Top Rated
    Arnold 20 in. Universal 3-in-1 Mulching Lawn Mower Blade
    5.0 out of 5 stars with 5 reviews
    5.0 (5)

    Arnold 20 in. Universal 3-in-1 Mulching Lawn Mower Blade

    $25.99
  7. Top Rated
    Arnold 22 in. Universal 3-in-1 Mulching Lawn Mower Blade, 490-100-0082
    5.0 out of 5 stars with 3 reviews
    5.0 (3)

    Arnold 22 in. Universal 3-in-1 Mulching Lawn Mower Blade, 490-100-0082

    $32.99
  8. Oregon 21 in. Mulching Lawn Mower Blade for Ferris, Hustler, Scag and Snapper Mowers
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Oregon 21 in. Mulching Lawn Mower Blade for Ferris, Hustler, Scag and Snapper Mowers

    $24.99
  9. Oregon 21 in. Gator Lawn Mower Blade for Toro and Exmark Push Mowers
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Oregon 21 in. Gator Lawn Mower Blade for Toro and Exmark Push Mowers

    $29.99
  10. Oregon 21 in. Lawn Mower Blade for DeWalt Battery-Powered Push Mowers
    4.5 out of 5 stars with 2 reviews
    4.5 (2)

    Oregon 21 in. Lawn Mower Blade for DeWalt Battery-Powered Push Mowers

    $29.99
  11. Top Rated
    Troy-Bilt 30 in. 3-in-1 Mulching Lawn Mower Blade
    4.8 out of 5 stars with 6 reviews
    4.8 (6)

    Troy-Bilt 30 in. 3-in-1 Mulching Lawn Mower Blade

    $36.99
  12. Oregon 60 in. Mulching Lawn Mower Blade for Swisher Mowers
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Oregon 60 in. Mulching Lawn Mower Blade for Swisher Mowers

    $14.99

Items You May Like

  1. MaxPower 21 in. Universal Gold Metal Mulching Lawn Mower Blade
    4.7 out of 5 stars with 3 reviews
    4.7 (3)

    MaxPower 21 in. Universal Gold Metal Mulching Lawn Mower Blade

    $25.99
  2. Stens 61 in. Notched High-Lift Lawn Mower Blade for Grasshopper DuraMax 9861 and 3461, Replaces OEM 320245 and 320245B
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Stens 61 in. Notched High-Lift Lawn Mower Blade for Grasshopper DuraMax 9861 and 3461, Replaces OEM 320245 and 320245B

    $29.99
  3. Top Rated
    Oregon 21.19 in. Gator Mulching Lawn Mower Blade for MTD Mowers
    5.0 out of 5 stars with 2 reviews
    5.0 (2)

    Oregon 21.19 in. Gator Mulching Lawn Mower Blade for MTD Mowers

    $14.99
  4. Top Rated
    Oregon 21.6875 in. Gator G3 Mulching Lawn Mower Blade for Toro Mowers
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Oregon 21.6875 in. Gator G3 Mulching Lawn Mower Blade for Toro Mowers

    $16.99
  5. Top Rated
    MaxPower 42 in. Lawn Mower Blades for Many Dixie Chopper Mowers, Replaces OEM 30227-42, 63227-N and 038-4221-00, 3 pk.
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    MaxPower 42 in. Lawn Mower Blades for Many Dixie Chopper Mowers, Replaces OEM 30227-42, 63227-N and 038-4221-00, 3 pk.

    $49.99
  6. Hi-Run 11 x 4.00-5 4PR Lawn and Garden Tire, Rib Tread
    4.3 out of 5 stars with 64 reviews
    4.3 (64)

    Hi-Run 11 x 4.00-5 4PR Lawn and Garden Tire, Rib Tread

    $17.99
    Was $19.99Save $2.00
  7. Greenworks Pro 21 in. High-Lift Lawn Mower Blade for Cordless Battery Walk-Behind Mowers
    3.9 out of 5 stars with 29 reviews
    3.9 (29)

    Greenworks Pro 21 in. High-Lift Lawn Mower Blade for Cordless Battery Walk-Behind Mowers

    $32.99
  8. Toro 60 in. Titan Zero Turn Mower
    3.8 out of 5 stars with 48 reviews
    3.8 (48)

    Toro 60 in. Titan Zero Turn Mower

    $7,199.99
  9. Top Rated
    Oregon 48 in. Mulching Lawn Mower Blade for John Deere and Sabre Mowers
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Oregon 48 in. Mulching Lawn Mower Blade for John Deere and Sabre Mowers

    $5.99
  10. Top Rated
    Oregon 40 in. Mulching Lawn Mower Blade for Murray Mowers
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Oregon 40 in. Mulching Lawn Mower Blade for Murray Mowers

    $10.99
  11. Oregon 36 in. and 52 in. Mulching Lawn Mower Blade for Dixon Mowers
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Oregon 36 in. and 52 in. Mulching Lawn Mower Blade for Dixon Mowers

    $20.99
  12. Top Rated
    Oregon Replacement Fuel Pump for Select Briggs & Stratton Models
    4.8 out of 5 stars with 4 reviews
    4.8 (4)

    Oregon Replacement Fuel Pump for Select Briggs & Stratton Models

    $19.99

Customers Also Bought

  1. Oregon 60 in. Lawn Mower Blade for Exmark, Hustler, John Deere and Scag Mowers
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Oregon 60 in. Lawn Mower Blade for Exmark, Hustler, John Deere and Scag Mowers

    $15.99
  2. Top Rated
    Oregon 60 in. Lawn Mower Blade for Gravely Mowers
    5.0 out of 5 stars with 3 reviews
    5.0 (3)

    Oregon 60 in. Lawn Mower Blade for Gravely Mowers

    $16.99
  3. Oregon 50 in. Lawn Mower Blade for Toro TimeCutter Z Mowers
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Oregon 50 in. Lawn Mower Blade for Toro TimeCutter Z Mowers

    $10.99
  4. Top Rated
    Oregon 60 in. High-Lift Lawn Mower Blade for Hustler Mowers
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Oregon 60 in. High-Lift Lawn Mower Blade for Hustler Mowers

    $15.99
  5. Top Rated
    Husqvarna 48 in. Mulching Lawn Mower Blade for Husqvarna Riders
    5.0 out of 5 stars with 6 reviews
    5.0 (6)

    Husqvarna 48 in. Mulching Lawn Mower Blade for Riders

    $12.60
  6. Oregon 60 in. Mulching Lawn Mower Blade for Dixie Chopper and Hustler Mowers
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Oregon 60 in. Mulching Lawn Mower Blade for Dixie Chopper and Hustler Mowers

    $16.99
  7. Oregon 60 in. Mulching Lawn Mower Blade for Gravely, Hustler and Snapper Mowers
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Oregon 60 in. Mulching Lawn Mower Blade for Gravely, Hustler and Snapper Mowers

    $16.99
  8. Oregon 61 in. Mulching Lawn Mower Blade for Bobcat and John Deere Mowers
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Oregon 61 in. Mulching Lawn Mower Blade for Bobcat and John Deere Mowers

    $17.99
  9. Oregon 42 in. Mulching Lawn Mower Blades for Cub Cadet Riding Mowers, 2 pk.
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Oregon 42 in. Mulching Lawn Mower Blades for Cub Cadet Riding Mowers, 2 pk.

    $49.99
  10. Husqvarna 52 in. Lawn Mulching Lawn Mower Blade for Husqvarna Mowers
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Husqvarna 52 in. Lawn Mulching Lawn Mower Blade for Mowers

    $27.99
  11. Oregon 44 in. Lawn Mower Blade for Exmark, Hustler, John Deere and Scag Mowers
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Oregon 44 in. Lawn Mower Blade for Exmark, Hustler, John Deere and Scag Mowers

    $15.99
  12. Oregon 66 in. Mulching Lawn Mower Blade for Exmark Mowers
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Oregon 66 in. Mulching Lawn Mower Blade for Exmark Mowers

    $14.99

Reviews

Review this Product

Select to rate the item with 1 star. This action will open submission form.
Select to rate the item with 2 stars. This action will open submission form.
Select to rate the item with 3 stars. This action will open submission form.
Select to rate the item with 4 stars. This action will open submission form.
Select to rate the item with 5 stars. This action will open submission form.
Be the first to review this product
Get the top deals, latest trends and more
Sign up for emails from Tractor Supply today.
First Name*
Last Name*
Email*

Customer Support

  • Order Status

  • Return Policy

  • Delivery Options

  • Tax Exemptions

  • Frequently Asked Questions

  • Contact Us

  • Recall Notices

  • Call:  

    (877) 718-6750

  • Mon - Sat: 7am - 9pm CT

  • Sun: 8am - 7pm CT

  • Closed Christmas Day

About Us

  • Who We Are

  • Investor Relations

  • Stewardship

  • Community

  • Military Support

  • Product Catalog

  • Tractor Supply Stores

  • .Pharmacy Verified Website

Work With Us

  • Careers

  • Sponsorship

  • Affiliate Program

  • Potential Vendor Partners

  • Vendor Information

  • Tractor Supply Media Network

Neighbor's Club

  • About

  • Rewards

  • Hometown Heroes

  • Frequently Asked Questions

  • Terms & Conditions

Credit Center

  • TSC Credit Card

  • Klarna

Stay Connected

Connect & Share with the Tractor Supply Community.

Tractor Supply App

Shop on the go with the Tractor Supply App

Learn More

Stay Connected

Connect & Share with the Tractor Supply Community.

Tractor Supply App

Shop on the go with the Tractor Supply App

Learn More
  • Order Status

  • Return Policy

  • Delivery Options

  • Tax Exemptions

  • Frequently Asked Questions

  • Contact Us

  • Recall Notices

  • Call:  (877) 718-6750

  • Mon - Sat: 7am - 9pm CT

  • Sun: 8am - 7pm CT

  • Closed Christmas Day

  • Who We Are

  • Investor Relations

  • Stewardship

  • Community

  • Military Support

  • Product Catalog

  • Tractor Supply Stores

  • .Pharmacy Verified Website

  • Careers

  • Sponsorship

  • Affiliate Program

  • Potential Vendor Partners

  • Vendor Information

  • Tractor Supply Media Network

  • About

  • Rewards

  • Hometown Heroes

  • Frequently Asked Questions

  • Terms & Conditions

  • TSC Credit Card

  • Klarna

Connect & Share with the Tractor Supply Community.

Shop on the go with the Tractor Supply App

Learn More
  • Privacy policy
  • Your Privacy Choices
  • Terms and Conditions
  • California Transparency Act
  • Legal Notices
  • Accessibility
  • Responsible Disclosure Statement
  • Surprise (Balance) Medical Billing Disclosure
  • Transparency in Coverage
  • Human Rights Policy
  • Vendor Code of Conduct
  • California Notice of Collection
  • Privacy Requests

© 2026, Tractor Supply Co. All Rights Reserved.