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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
4.0 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 4
I wouldn’t recommend this for strong chewers.
Color: Orange, Color: Orange
Is it fun? Sure. Was it easy to charge and set up? Yep. That being said, this toy kind of fell flat for me. It really didn’t do any big movements once charged that I expected it to, so that was a bummer. I initially got it for my dog, but my cats were more interested in this than my dog was. The battery does seem to last a long time and the motor is pretty quiet. I WOULD NOT recommend this toy for strong chewers as the material for this is a foam rubber and I don’t think it’s durable enough for strong chewers. While the material makes this ball extremely lightweight for more movement, a strong chewer would have this disintegrated in five minutes flat. My Dog is a super strong chewer. I don’t think I would feel comfortable leaving him unattended with this because I know he would destroy it.
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Reviewed in the United States on May 5, 2026
★★★★★ 5
Interactive puppy fun
Color: Blue
Pups love this and I enjoy watching them have so much fun. Serious playtime followed by a well earned nap!
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Reviewed in the United States on May 4, 2026
★★★★★ 3
Well-designed and quiet, but didn’t keep my dog interested
Color: Blue
My dog was interested in this at first, but she would lose interest after a few minutes and move on.
I do like that it’s quieter than the hard plastic ball toys, and the charge lasts well. The internal charging port that twists closed is also a nice design feature.
That said, it will occasionally turn on by itself, which can be a little surprising. Overall, it has some nice features, but it just didn’t keep my dog engaged.
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Reviewed in the United States on April 30, 2026
★★★★★ 1
Good - for a few hours
Color: Blue, Color: Blue
Concept is fantastic. Dog loved it. Problem is that she figured out how to open it within two hours of play. The robot core, alas, did not survive. In the photo, you see a tooth went cleanly into the button and that was the end of the toy.
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Reviewed in the United States on May 17, 2026
★★★★★ 5
The most engaging interactive toy for my Border Collie
Color: Orange, Color: Orange
My Border Collie is not a big ball player. He prefers tug type games and actually gives me a look like, “Are you stupid? I’m not going to keep bringing that to you if all you’re going to do is throw it away again!” after about the third time I throw a ball for him to fetch. However, I can only play tug so often and I need him to be entertained and engaged as much as possible.
I got him a smaller, non-padded ball like this hoping he would like the interactive aspect of it. He did- he actually loved it! But it was loud, hard on his teeth, would come apart periodically, and he kept hitting the off button when playing with it. It drove me crazy. This one is so much better overall! The soft outer shell is not only easier on his teeth, but it is super resilient to biting and chewing. He actually likes to carry this thing around in his mouth while it’s bouncing and vibrating.
The three modes give great flexibility for different kinds of play. His favorite is the most active mode: the ball reacts to touch and practically bounces itself across the floor when he touches it with his paw or mouth. I will point out that in one of the modes, I thought the battery wasn’t charged or there was a motor issue because it’s very subdued movement; however, it’s just set up as a low-key option. Be sure to check out each mode to see which works best for your dog at different times.
I can’t say enough about this ball- I have been so pleasantly surprised by how much he loves it. The rechargeable feature is super convenient, it’s big enough to not get stuck under the couch, and it automatically shuts off based on whichever mode it’s set on. As the owner of a busy, super-smart dog who needs to be engaged in mental and physical activity, I think this all is worth every penny. In fact, I’m buying one for a friend who has a Border Collie pup with lots of energy to burn! I highly recommend this toy- it’s the most engaging toy I’ve found that Finn will play with on his own.
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Reviewed in the United States on April 13, 2026