PatioZora

Go-cheers 951-10639A Primer Bulb for Tecumseh and MTD Snow Blowers – Fits AV520, HMSK100, HMSK105, HMSK110 and 951-10639 Series

High-performance patio lawn and garden made for confident daily results

$9.84

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Why customers choose PatioZora Garden

Go-cheers 951-10639A 570682A primer bulb is crafted to restore reliable starting and smooth priming on a range of snow blowers and yard machines. Designed to replace worn or missing bulbs, it supports Tecumseh AV520, HMSK100, HMSK105 and HMSK110 engines as well as MTD 951-10639 family, making it a versatile choice for seasonal maintenance. The bulb’s compact dimensions match classic priming assemblies, helping ensure a proper seal and dependable priming cycles when you need them most.

Why this primer bulb matters

  • Compatibility across major names: Tecumseh, MTD and several leading brands are listed in its replacement notes, offering a broad maintenance option.
  • Precise sizing for a secure fit: 1-1/2 inch height and 1-3/4 inch outer diameter help align with common snow blower priming housings.
  • Simple replacement with a single part: The package includes one primer bulb, making DIY repairs straightforward and fast.
  • Durable, dependable replacement: The bulb is designed to stand up to regular priming cycles during busy snow seasons.

Where you can use it

  • Tecumseh AV520 and HMSK series (HMSK100, HMSK105, HMSK110) engines
  • MTD 951-10639 family and related 161-JW and 31A Series snowblowers
  • Brands commonly paired with Tecumseh or MTD units, including Craftsman, Ryobi and others listed in compatibility notes

What you get and how to install

  • Includes: 1 x Snowblower Primer Bulb
  • Plain-language replacement: disconnect the old bulb, insert the new unit, and reattach hoses for a secure seal
  • Tip: Verify the fitment against your model’s manual to confirm compatibility before starting

Note that performance can vary with overall engine condition and proper installation. This Go-cheers primer bulb offers a practical option for routine maintenance, giving you a feasible path to restore priming function without expensive dealer visits.

FAQ

Q: What brands and models does this primer bulb fit?

A: It replaces Tecumseh 570682/570682A and fits the MTD 951-10639 family, plus many major brands like Craftsman, Ryobi, and Bolens.

Q: What comes in the package and how do I install it?

A: Package includes one primer bulb; to install, remove the old bulb, connect hoses securely, and snap in the new bulb for an airtight seal.