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Description
570682A 951-10639A Primer Bulb - For Tecumseh HMSK80 HMSK100 HMSK110 LH318SA MTD Craftsman Troy-Bilt Cub Cadet Snow Blower570682A 951 10639A Primer Bulb Key Features Direct replacement primer bulb for small engines. Facilitates cold starts by delivering fuel directly to the carburetor. Features a two tab mounting design for secure installation. Constructed from fuel resistant material for durability with gasoline and ethanol blends. Replaces Cross Reference Part Numbers Tecumseh: 570682A, 570682, 321802A MTD (Craftsman Troy Bilt Ryobi Bolens Yard Machines Lawn Boy Yard
570682A / 951-10639A Primer Bulb
Key Features
- Direct replacement primer bulb for small engines.
- Facilitates cold starts by delivering fuel directly to the carburetor.
- Features a two-tab mounting design for secure installation.
- Constructed from fuel-resistant material for durability with gasoline and ethanol blends.
Replaces / Cross-Reference Part Numbers
- Tecumseh: 570682A, 570682, 321802A
- MTD (Craftsman / Troy-Bilt / Ryobi / Bolens / Yard Machines / Lawn-Boy / Yard-Man): 951-10639A, 951-10639, 751-10639, 951-10888A, 951-10888B
- Stens: 056-200
Compatibility & Fitment
- Fits a wide range of snowblowers and other outdoor power equipment.
- Compatible Brands: MTD, Tecumseh, Cub Cadet, Craftsman, Troy-Bilt, Ryobi, Bolens, Yard Machines.
- Tecumseh Engines: Fits SnowKing models including AV520, HMSK100, HMSK105, and HMSK110.
- MTD Snowblower Models: Fits series 161-JW, 165-SU, 370-SUB, 483-SU, and 490-SU.
When to Replace
- The existing bulb is cracked, hazy, or brittle.
- The bulb does not return to its original shape after being pressed.
- Fuel is leaking from or around the primer bulb assembly.
- The engine becomes difficult to start and requires excessive priming.
Installation Tips
- Ensure the engine is cool and disconnect the spark plug wire before starting work.
- Note the orientation of the fuel lines before disconnecting them from the old bulb.
- Squeeze the two mounting tabs on the old bulb to release it from the housing.
- Insert the new bulb until the two mounting tabs click securely into place.
- Reconnect the fuel lines to the correct ports on the new bulb.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 4
Ok in a pinch. Can get better shoes for the price. Wide aren’t wide
Size: 9 Wide, Color: Black/Black
These were ok comfortable. Would have preferred at the price point to be a little more comfortable. For being a wide size, the shoe was rather tight on my feet. Quality is ok. It passed for the wedding. Would probably have taken more time to pick something different if I had the ability to. This was a last minute purchase.
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Reviewed in the United States on December 11, 2025
★★★★★ 5
A must have in your shoe collection.
Size: 13, Color: Black
Very comfortable, very stylish, and in my price range gives me exactly what I was looking for in a shoe. Definitely a quality shoe. I’m 6’4, 309 lbs and size 13 shoe.
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Reviewed in the United States on July 24, 2025
★★★★★ 5
very good and very fast service.
Size: 10 Wide, Color: Black/Black
very well made shoes.
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Reviewed in the United States on March 25, 2026
★★★★★ 3
Looks not finished
Size: 14, Color: Black/Black
They are probably good shoes but they look unfinished
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Reviewed in the United States on February 1, 2026
★★★★★ 5
Stylish comfy shoes
Size: 11.5, Color: Black
My husband adores these shoes. They are true to size. Comfy and stylish and lightweight which makes the ideal combo for him. Glad I purchased them.
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Reviewed in the United States on September 30, 2025