Skip to main content
HalloweenPetLawn & GardenTruck & AutomotiveSporting GoodsHorseFarm & RanchClothingLivestockPet & Animal PharmacyToolsPoultryFencing & GatesHome ImprovementOutdoor LivingHeating & CoolingHome Decor & FurnitureOutdoor Power EquipmentTrailers & TowingBoots & ShoesWild 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 / EnrollGet rewarded!
​
Halloween
Pet
Lawn & Garden
Truck & Automotive
Sporting Goods
Horse
Farm & Ranch
Clothing
Livestock
Pet & Animal Pharmacy
Tools
Poultry
Fencing & Gates
Home Improvement
Outdoor Living
Heating & Cooling
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. MaxPower 42 in. High-Lift Lawn Mower Blades for Many John Deere Zero-Turn Mowers, Replaces OEM M170639 and UC22008, 2 pk.

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

MaxPower 42 in. High-Lift Lawn Mower Blades for Many John Deere Zero-Turn Mowers, Replaces OEM M170639 and UC22008, 2 pk.

Shop all MaxPower
MaxPower 42 in. High-Lift Lawn Mower Blades for Many John Deere Zero-Turn Mowers, Replaces OEM M170639 and UC22008, 2 pk.

Item # 165810799

MaxPower MaxPower 42 in. High-Lift Lawn Mower Blades for Many John Deere Zero-Turn Mowers, Replaces OEM M170639 and UC22008, 2 pk.
MaxPower MaxPower 42 in. High-Lift Lawn Mower Blades for Many John Deere Zero-Turn Mowers, Replaces OEM M170639 and UC22008, 2 pk.
$54.99

Add this item to unlock free delivery!

Neighbor's Club logo
Neighbor’s Club Members earn points with purchases.

Sign in or Join Now

Shop all MaxPower
MaxPower 42 in. High-Lift Lawn Mower Blades for Many John Deere Zero-Turn Mowers, Replaces OEM M170639 and UC22008, 2 pk.

Item # 165810799

MaxPower MaxPower 42 in. High-Lift Lawn Mower Blades for Many John Deere Zero-Turn Mowers, Replaces OEM M170639 and UC22008, 2 pk.
MaxPower MaxPower 42 in. High-Lift Lawn Mower Blades for Many John Deere Zero-Turn Mowers, Replaces OEM M170639 and UC22008, 2 pk.
$54.99
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.

Add this item to unlock free delivery!

This item is available online only

Delivery to

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

​
Neighbor's Club logo
Neighbor’s Club Members earn points with purchases.

Sign in or Join Now

MaxPower's includes 2 blades for many 42 in. cut John Deere zero turn mowers. These blades replace OEM #'s M170639 and UC22008. Each blade measures 21-3/8 in. L and 3 in. W with a 0.80 in. center hole diameter. Check your owner's manual to verify that the OEM number of the blade being replaced matches one of the OEM numbers provided for this item. Maxpower blades are manufactured to meet or exceed OEM specifications. Proudly made in the USA.

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

  • Includes 2 blades for many 42 in. cut John Deere zero turn mowers
  • Replaces OEM #'s M170639 and UC22008
  • Each blade measures 21-3/8 in. L and 3 in. W
  • 0.80 in. center hole diameter
  • Check your owner's manual to verify that the OEM number of the blade being replaced matches one of the OEM numbers provided for this item.
  • Manufactured to meet or exceed OEM specifications
  • Proudly made in the USA
BrandMaxPower
Country of OriginMade in USA
Brand CompatibilityJohn Deere
Center Hole Diameter0.80 in.
Compatible Deck Size42 in.
Cutting Edge LocationRight Hand
FeaturesMower Blade
Model CompatibilityMany 42 in. John Deere mowers. Please match OEM number for proper fit.
Mower Blade TypeHigh-lift
OEM ReplacementM170639, UC22008
Package Quantity2
Primary MaterialSteel
Product Height1.95 in.
Product Length21.375 in.
Product Weight5.53 lb.
Product Width3 in.
Rolled Lift TypeFormed
Thickness0.158 in.
WarrantyWarranty to the original user/consumer that products shall be free from defects in material and workmanship under normal use or service for a period of 1 year from date of purchase excluding normal wear and routine maintenance.
Manufacturer Part Number561822B
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. MaxPower 42 in. 3-in-1 High-Lift Lawn Mower Blade for John Deere Mowers, Replaces OEM GX22151 and GY20850
    4.4 out of 5 stars with 7 reviews
    4.4 (7)

    MaxPower 42 in. 3-in-1 High-Lift Lawn Mower Blade for John Deere Mowers, Replaces OEM GX22151 and GY20850

    $19.99
  2. MaxPower 42 in. 3-in-1 Lawn Mower Blades for Many John Deere Mowers, Replaces OEM GX22151 and GY20850, 2 pk.
    4.5 out of 5 stars with 2 reviews
    4.5 (2)

    MaxPower 42 in. 3-in-1 Lawn Mower Blades for Many John Deere Mowers, Replaces OEM GX22151 and GY20850, 2 pk.

    $42.99
  3. Top Rated
    MaxPower 42 in. 3-in-1 High-Lift Lawn Mower Blade for Murray Mowers, Replaces OEM 095100E701 and 095100E701A
    5.0 out of 5 stars with 2 reviews
    5.0 (2)

    MaxPower 42 in. 3-in-1 High-Lift Lawn Mower Blade for Murray Mowers, Replaces OEM 095100E701 and 095100E701A

    $18.99
  4. Top Rated
    MaxPower 42 in. Mulching Lawn Mower Blade for Craftsman, Husqvarna and Poulan Mowers
    5.0 out of 5 stars with 2 reviews
    5.0 (2)

    MaxPower 42 in. Mulching Lawn Mower Blade for Craftsman, Husqvarna and Poulan Mowers

    $18.99
  5. MaxPower 42 in. Lawn Mower Blades for Craftsman, Husqvarna and Poulan Mowers, 2 pk.
    4.6 out of 5 stars with 10 reviews
    4.6 (10)

    MaxPower 42 in. Lawn Mower Blades for Craftsman, Husqvarna and Poulan Mowers, 2 pk.

    $34.99
  6. Top Rated
    MaxPower 48 in. High-Lift Lawn Mower Blades for Craftsman, Husqvarna and Poulan Mowers, 3 pk.
    5.0 out of 5 stars with 2 reviews
    5.0 (2)

    MaxPower 48 in. High-Lift Lawn Mower Blades for Craftsman, Husqvarna and Poulan Mowers, 3 pk.

    $57.99
  7. MaxPower 42 in. Mulching Lawn Mower Blades for Toro TimeCutter Z Mowers, 2 pk.
    4.0 out of 5 stars with 1 reviews
    4.0 (1)

    MaxPower 42 in. Mulching Lawn Mower Blades for Toro TimeCutter Z Mowers, 2 pk.

    $42.99
  8. Top Rated
    MaxPower 42 in. Lawn Mower Blades for Many John Deere Mowers, Replaces OEM GX20249, GX20433 and GY20567, 2 pk.
    5.0 out of 5 stars with 4 reviews
    5.0 (4)

    MaxPower 42 in. Lawn Mower Blades for Many John Deere Mowers, Replaces OEM GX20249, GX20433 and GY20567, 2 pk.

    $39.99
  9. Top Rated
    MaxPower 54 in. High-Lift Lawn Mower Blades for Many Craftsman, Husqvarna and Poulan Mowers, 3 pk.
    4.8 out of 5 stars with 10 reviews
    4.8 (10)

    MaxPower 54 in. High-Lift Lawn Mower Blades for Many Craftsman, Husqvarna and Poulan Mowers, 3 pk.

    $57.99
  10. MaxPower 42 in. Commercial Mulching Lawn Mower Blades for John Deere Mowers, Replaces OEM AM137328, AM141033 and GX22151, 2 pk.
    4.7 out of 5 stars with 6 reviews
    4.7 (6)

    MaxPower 42 in. Commercial Mulching Lawn Mower Blades for John Deere Mowers, Replaces OEM AM137328, AM141033 and GX22151, 2 pk.

    $44.99
  11. MaxPower 21 in. High-Lift Lawn Mower Blade for Honda Walk-Behind Mowers
    4.0 out of 5 stars with 1 reviews
    4.0 (1)

    MaxPower 21 in. High-Lift Lawn Mower Blade for Honda Walk-Behind Mowers

    $19.99
  12. MaxPower 42 in. High-Lift Lawn Mower Blades for Many Murray Mowers, Replaces OEM 095101E701, 92418 and 92418E701, 2 pk.
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    MaxPower 42 in. High-Lift Lawn Mower Blades for Many Murray Mowers, Replaces OEM 095101E701, 92418 and 92418E701, 2 pk.

    $32.99

Items You May Like

  1. Top Rated
    Arnold 42 in. Low-Lift Lawn Mower Blades for John Deere Lawn Tractors, 2-Pack
    4.9 out of 5 stars with 7 reviews
    4.9 (7)

    Arnold 42 in. Low-Lift Lawn Mower Blades for John Deere Lawn Tractors, 2-Pack

    $54.99
  2. Arnold 42 in. Low-Lift Lawn Mower Blade for John Deere Tractors
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Arnold 42 in. Low-Lift Lawn Mower Blade for John Deere Tractors

    $54.99
  3. Oregon 42 in. 100 Series Mulching Lawn Mower Blade for John Deere Mowers, 191-139
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Oregon 42 in. 100 Series Mulching Lawn Mower Blade for John Deere Mowers, 191-139

    $6.99
  4. Top Rated
    MaxPower 42 in. Lawn Mower Blade for John Deere, Sabre and Scotts Mowers, Replaces OEM GX20249, GX20433, GY20567 and 50-3036
    5.0 out of 5 stars with 5 reviews
    5.0 (5)

    MaxPower 42 in. Lawn Mower Blade for John Deere, Sabre and Scotts Mowers, Replaces OEM GX20249, GX20433, GY20567 and 50-3036

    $19.99
  5. Top Rated
    MaxPower Lawn Mower Air Filter Briggs & Stratton OEM Numbers 591334, 594201, 796031 & JD OEM Numbers MIU13038, MIU13963, 334395
    5.0 out of 5 stars with 11 reviews
    5.0 (11)

    MaxPower Lawn Mower Air Filter Briggs & Stratton OEM Numbers 591334, 594201, 796031 & JD OEM Numbers MIU13038, MIU13963, 334395

    $13.99
  6. Oregon 42 in. High-Lift Lawn Mower Blade for Dixon, Exmark, Hustler, John Deere and Scag Mowers
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Oregon 42 in. High-Lift Lawn Mower Blade for Dixon, Exmark, Hustler, John Deere and Scag Mowers

    $11.99
  7. MaxPower 48 in. Mower Blades for Many John Deere Mowers, Replaces OEM M127500 and M145476, 3 pk.
    3.7 out of 5 stars with 3 reviews
    3.7 (3)

    MaxPower 48 in. Mower Blades for Many John Deere Mowers, Replaces OEM M127500 and M145476, 3 pk.

    $49.99
  8. Hero 42 in. Premium OEM Replacement Mower Drive Belt GX20072
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hero 42 in. Premium OEM Replacement Mower Drive Belt GX20072

    $29.99
  9. Top Rated
    MaxPower 54 in. Lawn Mower Blades for Many John Deere Mowers, Replaces OEM M143520 and 50-4441, 3 pk.
    4.9 out of 5 stars with 8 reviews
    4.9 (8)

    MaxPower 54 in. Lawn Mower Blades for Many John Deere Mowers, Replaces OEM M143520 and 50-4441, 3 pk.

    $49.99
  10. Toro 42 in. High-Lift Lawn Mower Blades for TimeCutter Mowers, 2 pk.
    4.5 out of 5 stars with 20 reviews
    4.5 (20)

    Toro 42 in. High-Lift Lawn Mower Blades for TimeCutter Mowers, 2 pk.

    $74.99
  11. Arnold 48 in. Lawn Mower Blades for John Deere Mowers, 3 pk.
    4.5 out of 5 stars with 2 reviews
    4.5 (2)

    Arnold 48 in. Lawn Mower Blades for John Deere Mowers, 3 pk.

    $69.99
  12. Genuine Factory Parts 42 in. XTREME Mulch Blade Set 942 04308X
    4.0 out of 5 stars with 4 reviews
    4.0 (4)

    Genuine Factory Parts 42 in. XTREME Mulch Blade Set 942 04308X

    $44.99

Customers Also Bought

  1. MaxPower 52 in. High-Lift Lawn Mower Blades for Exmark and Toro Mowers, 3 pk.
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    MaxPower 52 in. High-Lift Lawn Mower Blades for Exmark and Toro Mowers, 3 pk.

    $49.99
  2. Stens Lawn Mower Spindle Assembly for John Deere Mowers, Replaces OEM TCA24880
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Stens Lawn Mower Spindle Assembly for John Deere Mowers, Replaces OEM TCA24880

    $154.99
  3. MaxPower 34 in. Lawn Mower Blades for Many Hustler Mowers, Replaces OEM 607281, 2-Pack
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    MaxPower 34 in. Lawn Mower Blades for Many Hustler Mowers, Replaces OEM 607281, 2-Pack

    $34.99
  4. Husqvarna 48 in. Mulching Lawn Mower Blade for Husqvarna Mowers
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Husqvarna 48 in. Mulching Lawn Mower Blade for Mowers

    $21.99
  5. MaxPower 36 in. High-Lift Lawn Mower Blades for Exmark and Toro Mowers, 2 pk.
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    MaxPower 36 in. High-Lift Lawn Mower Blades for Exmark and Toro Mowers, 2 pk.

    $29.99
  6. Hero Preventative Maintenance Kit Kubota ZD1211L Zero-Turn Mower
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hero Preventative Maintenance Kit Kubota ZD1211L Zero-Turn Mower

    $145.99
  7. MaxPower 48 in. 3-Blade Set for Husqvarna Mowers Replaces 588811002
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    MaxPower 48 in. 3-Blade Set for Husqvarna Mowers Replaces 588811002

    $49.99
  8. MaxPower 21 in. Universal 3 in 1 Lawn Mower Blade
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    MaxPower 21 in. Universal 3 in 1 Lawn Mower Blade

    $15.99
  9. Top Rated
    Husqvarna 54 in. High-Lift Lawn Mower Blade for Husqvarna Z254F Mowers
    5.0 out of 5 stars with 4 reviews
    5.0 (4)

    Husqvarna 54 in. High-Lift Lawn Mower Blade for Z254F Mowers

    $29.99
  10. Husqvarna 48 in. High-Lift Lawn Mower Blade for Many Husqvarna Mowers, 588811002
    4.2 out of 5 stars with 6 reviews
    4.2 (6)

    Husqvarna 48 in. High-Lift Lawn Mower Blade for Many Mowers, 588811002

    $29.99
  11. Husqvarna 72 in. High-Lift Lawn Mower Blade for Husqvarna Mowers
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Husqvarna 72 in. High-Lift Lawn Mower Blade for Mowers

    $20.99
  12. 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

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.