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 Maintenance & Tune Up Kits
  10. /

  11. Stens Needle Valve Kit, Replaces Tecumseh OEM 631021B

  1. Home
  2. /
  4. /
  5. Mower Maintenance & Tune Up Kits

Stens Needle Valve Kit, Replaces Tecumseh OEM 631021B

Shop all Stens
Stens Needle Valve Kit, Replaces Tecumseh OEM 631021B

Item # 199215199

Stens Stens Needle Valve Kit, Replaces Tecumseh OEM 631021B
Stens Stens Needle Valve Kit, Replaces Tecumseh OEM 631021B
$6.99

Spend $49.99 to unlock free delivery!

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

Sign in or Join Now

Shop all Stens
Stens Needle Valve Kit, Replaces Tecumseh OEM 631021B

Item # 199215199

Stens Stens Needle Valve Kit, Replaces Tecumseh OEM 631021B
Stens Stens Needle Valve Kit, Replaces Tecumseh OEM 631021B
$6.99

Spend $49.99 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

Take care of float carburetor maintenance and repairs with help from the Stens Needle Valve Kit.

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

  • For float carburetors
  • When installing the rubber seat, install with the groove facing the carburetor
  • Ethanol: Not compatible with greater than 10% ethanol fuel
  • Packaging type: Branded bag
  • OEM Part Numbers: Tecumseh: 631021, 631021A, 631021B
  • Fitment: Tecumseh: HMSK, HSSK, LEV, LH, LV, OH195, OHH, OHM120, OVRM120, V40, V50, V60, VM80, H30 and VM100
BrandStens
Country of OriginMade in USA
Brand CompatibilityTecumseh
FeaturesAdjusted and tuned
Model CompatibilityTecumseh: HMSK, HSSK, LEV, LH, LV, OH195, OHH, OHM120, OVRM120, V40, V50, V60, VM80, H30 and VM100
Product TypeOther
Primary MaterialMetal
Product Height0.45 in.
Product Length4.05 in.
Product Weight0.005 lb.
Product Width2.9 in.
Warranty1 Year
Manufacturer Part Number525-212
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. Stens Float Valve Kit, Replaces Tecumseh OEM 631021B
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Stens Float Valve Kit, Replaces Tecumseh OEM 631021B

    $24.99
  2. Stens Carburetor Float Kit, Replaces Tecumseh OEM 632019A
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Stens Carburetor Float Kit, Replaces Tecumseh OEM 632019A

    $24.99
  3. Stens Needle Valve, Replaces Honda OEM 16011-ZA0-931
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Stens Needle Valve, Replaces Honda OEM 16011-ZA0-931

    $24.99
  4. Stens Brake Pad for AYP and Tecumseh 600 Series Transmissions, Replaces Tecumseh OEM 799021A
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Stens Brake Pad for AYP and Tecumseh 600 Series Transmissions, Replaces Tecumseh OEM 799021A

    $24.99
  5. Stens Condenser, Replaces Tecumseh OEM 30548B
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Stens Condenser, Replaces Tecumseh OEM 30548B

    $17.99
  6. Stens Carburetor Float for Lawn Mowers, Replaces Tecumseh OEM 632019A
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Stens Carburetor Float for Lawn Mowers, Replaces Tecumseh OEM 632019A

    $24.99
  7. Stens Flywheel Keys, Replaces Tecumseh OEM 610995, 5-Pack
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Stens Flywheel Keys, Replaces Tecumseh OEM 610995, 5-Pack

    $9.99
  8. Top Rated
    Stens 1-3/4 in. OD Primer Bulb, Replaces Tecumseh OEM 570682A, LCT 43043, MTD: 951-1069
    5.0 out of 5 stars with 1 reviews
    5.0 (1)

    Stens 1-3/4 in. OD Primer Bulb, Replaces Tecumseh OEM 570682A, LCT 43043, MTD: 951-1069

    $24.99
  9. Hero Preventative Maintenance Kit John Deere Z355R Zero-Turn Mower Replaces LG276
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hero Preventative Maintenance Kit John Deere Z355R Zero-Turn Mower Replaces LG276

    $49.99
  10. Hero Preventative Maintenance Kit John Deere X165 Riding Mower Replaces LG276
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hero Preventative Maintenance Kit John Deere X165 Riding Mower Replaces LG276

    $49.99
  11. Hero Preventative Maintenance Kit for Kubota BX1830D Tractor
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hero Preventative Maintenance Kit for Kubota BX1830D Tractor

    $63.06
  12. Hero Preventative Maintenance Kit for Kubota BX2360 Tractor
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hero Preventative Maintenance Kit for Kubota BX2360 Tractor

    $59.98

Frequently Bought Together

  1. Hero Preventative Maintenance Kit for Kubota ZG227L Zero Turn Mower
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hero Preventative Maintenance Kit for Kubota ZG227L Zero Turn Mower

    $126.14
  2. Hero Preventative Maintenance Kit Kawasaki FS651V Engine
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hero Preventative Maintenance Kit Kawasaki FS651V Engine

    $49.99
  3. Hero Preventative Maintenance Kit John Deere Z960A Zero-Turn Mower
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hero Preventative Maintenance Kit John Deere Z960A Zero-Turn Mower

    $139.99
  4. Hero Preventative Maintenance Kit, Kubota KX71
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hero Preventative Maintenance Kit, Kubota KX71

    $159.99
  5. Hero Preventative Maintenance Kit for Kubota MX5200DT Tractor
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hero Preventative Maintenance Kit for Kubota MX5200DT Tractor

    $172.29
  6. Stens Starter Drive Kit for Briggs & Stratton, Replaces OEM 696541
    4.0 out of 5 stars with 1 reviews
    4.0 (1)

    Stens Starter Drive Kit for Briggs & Stratton, Replaces OEM 696541

    $24.99
  7. Hero Preventative Maintenance Kit for Kubota B3300SUHSD Tractor
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hero Preventative Maintenance Kit for Kubota B3300SUHSD Tractor

    $155.37
  8. Hero Preventative Maintenance Kit CASE DX25 Compact Tractor
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hero Preventative Maintenance Kit CASE DX25 Compact Tractor

    $182.99
  9. Hero Preventative Maintenance Kit Kubota SZ22NC-48-2 Stand-On Mower
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hero Preventative Maintenance Kit Kubota SZ22NC-48-2 Stand-On Mower

    $135.99
  10. Hero Preventative Maintenance Kit for Kubota BX1830 Tractor
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hero Preventative Maintenance Kit for Kubota BX1830 Tractor

    $63.06
  11. Stens Replacement OEM Carburetor for Tecumseh 640025C
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Stens Replacement OEM Carburetor for Tecumseh 640025C

    $78.99
  12. Stens 1/2 in. x 90-1/2 in. OEM Replacement Belt for Simplicity 1716854SM
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Stens 1/2 in. x 90-1/2 in. OEM Replacement Belt for Simplicity 1716854SM

    $44.99

Customers Also Bought

  1. Hero Preventative Maintenance Kit John Deere 727 Zero-Turn Mower Heavy-Duty Air Cleaner
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hero Preventative Maintenance Kit John Deere 727 Zero-Turn Mower Heavy-Duty Air Cleaner

    $81.99
  2. Hero 60 in. Premium OEM Replacement Mower Deck Belt, 1098073
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hero 60 in. Premium OEM Replacement Mower Deck Belt, 1098073

    $49.99
  3. Hero Preventative Maintenance Kit Kubota F3990 Front-Mount Mower
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hero Preventative Maintenance Kit Kubota F3990 Front-Mount Mower

    $92.99
  4. Hero Preventative Maintenance Kit for Kubota L3430HST Tractor
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hero Preventative Maintenance Kit for Kubota L3430HST Tractor

    $178.45
  5. Hero Preventative Maintenance Kit for Kubota L3560 Tractor
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hero Preventative Maintenance Kit for Kubota L3560 Tractor

    $199.99
  6. Hero Preventative Maintenance Kit for Kubota BX23S Tractor
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hero Preventative Maintenance Kit for Kubota BX23S Tractor

    $79.99
  7. Hero Preventative Maintenance Kit for Kubota L3800HST Tractor
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hero Preventative Maintenance Kit for Kubota L3800HST Tractor

    $147.68
  8. Hero Preventative Maintenance Kit for John Deere 1025R Tractor
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hero Preventative Maintenance Kit for John Deere 1025R Tractor

    $129.99
  9. Hero Preventative Maintenance Kit John Deere M653 Zero-Turn Mower Heavy-Duty Air Cleaner
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hero Preventative Maintenance Kit John Deere M653 Zero-Turn Mower Heavy-Duty Air Cleaner

    $73.99
  10. Hero Preventative Maintenance Kit for Kubota BX25 Tractor
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hero Preventative Maintenance Kit for Kubota BX25 Tractor

    $59.98
  11. Hero Preventative Maintenance Kit Mahindra MAX 26 XLT Tractor Gear
    0.0 out of 5 stars with 0 reviews
    0.0 (0)

    Hero Preventative Maintenance Kit Mahindra MAX 26 XLT Tractor Gear

    $136.99
  12. Top Rated
    Hero 48 in. Premium OEM Replacement Mower Deck Belt, GX21833
    5.0 out of 5 stars with 2 reviews
    5.0 (2)

    Hero 48 in. Premium OEM Replacement Mower Deck Belt, GX21833

    $34.99

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.