Easy
Less than 15 minutes
This primer bulb is a genuine OEM sourced item, it is not an aftermarket imitation. It is a high quality item designed for use with Yard Machines and MTD snowblowers. The purpose of this primer is to force fuel into the carburetor. Over time the primer will loose its elasticity or crack requiring replacement. It is made from durable rubber material and it is sold individually.
Primer 951-10639B
OEM part for: MTD, Yard Machines, Yard Man, Craftsman, Troy-Bilt, Cub Cadet, Bolens, Husky
Part Number: 951-10639B
$15.95
In Stock
Order within the next 9 hours and your part ships today! 
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Frequently Purchased Together ?
Compatibility
This Primer will fit the following 1115 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
MTD
Yard Machines
Yard Man
Craftsman
Troy-Bilt
Cub Cadet
Bolens
Husky
Show More Compatible ModelsThis item works with the following types of products:
- Snowblower Parts
- Lawn Mower Parts
- Engine Parts
This part replaces obsolete part #: 951-10639A (Furnish 951-12011, Carburetor Assy), 951-10639A, 751-10639A, 751-10639, 951-10639
Customer Part Reviews ?
Average Rating (out of 5):
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- 1
Part was as expected. Received quickly.
Part was on good condition but unfortunately did not fix problem.
Guest -
September 4, 2023
Verified Purchase
Perfect fit
Part arrived on time and performed as claimed. Very satisfied.
Guest -
December 23, 2020
Verified Purchase
Part
Easy to order, received quick and was the perfect part
Guest -
January 15, 2020
Verified Purchase
Great part
The part was the correct one for my mower and worked perfectly
Guest -
September 24, 2019
Verified Purchase
Easy repair, worked out well.
Product was a perfect replacement. Lawn mower is working well.
Guest -
August 25, 2019
Verified Purchase
Primer fit my needs
lThe primer is hard to get to in my TroyBilt snow thrower. But the replacement primer was exactly what I needed .....
Guest -
November 21, 2019
Verified Purchase
havent installed yet
Good so far
Brian -
November 4, 2019
Verified Purchase
Questions & Answers ?
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Does this fit my product?Questions & Answers for Primer
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Customer Repair Instructions ?
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.
The primer button had deteriorated and needed to be replaced.
Jack - October 28, 2016
👍 12 of 12 people found this instruction helpful
Tool Type
Snowblower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
Parts Used
I just popped the old primer button out with a screw driver and the new was easy to put back in.
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My Labrador Retriever chewed the primer button off my snow blower
Larry - September 21, 2016
👍 3 of 3 people found this instruction helpful
Tool Type
Snowblower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
, none
Parts Used
Attached the tube to the primer back and push into place.
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Snowblower priming bulb was tore up.
Jerry - December 20, 2016
👍 2 of 2 people found this instruction helpful
Tool Type
Snowblower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Pliers, Nutdriver
Parts Used
Popped the tore up priming bulb out, then popped new one in and reattached the hose.
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Priming bulb cracked
Lawrence - August 11, 2023
👍 1 of 1 people found this instruction helpful
Tool Type
Snowblower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Socket set, None
Parts Used
Removed old bulb took gas line off. Installed new bulb and gas line installed cover back on primed gas into carb and started on 1 st pull
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Lawn mower would not start
Rhea - February 22, 2020
👍 1 of 1 people found this instruction helpful
Tool Type
Lawn Mower
Difficulty
Easy
Time
15-30 minutes
Tools Used
Socket set
1. Removed air cleaner assembly.
2. Removed carb.
3.cleaned mounting surfaces.
4. Cleaned carb.
5. Installed carb with new gasket.
6. Installed new primer in air cleaner housing.
7. Installed new air cleaner housing.
8. Connected fuel line and primer hose.
9. Primed carb.
10. Pulled start rope, engine started and ran Great.
11. Cut yard and mower did not stall at all.
2. Removed carb.
3.cleaned mounting surfaces.
4. Cleaned carb.
5. Installed carb with new gasket.
6. Installed new primer in air cleaner housing.
7. Installed new air cleaner housing.
8. Connected fuel line and primer hose.
9. Primed carb.
10. Pulled start rope, engine started and ran Great.
11. Cut yard and mower did not stall at all.
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Primer bulb had torn
James - May 6, 2019
👍 1 of 1 people found this instruction helpful
Tool Type
Snowblower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver, Pliers
Parts Used
Pried old primer away from the panel and disconnected the fuel line, I connected the line to the new primer and snapped it in.
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Snowblower primer rubber split.
Richard - December 8, 2017
👍 2 of 3 people found this instruction helpful
Tool Type
Snowblower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
Parts Used
Removed the old primer with a screwdriver and disconnected the line to the carburetor. Just reversed the process and the new primer works fine!
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The old primer was just hanging there by a thread
Samuel - August 27, 2017
👍 2 of 3 people found this instruction helpful
Tool Type
Snowblower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver, Pliers, Wrench Set
Parts Used
I popped the old primer out (thanks for the video info) and popped the new one in. Worked perfect.
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Primer bulb was cracked
Ed - February 8, 2017
Tool Type
Snowblower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver
Parts Used
Popped the primer bulb off with a screwdriver removed tube and pushed it on to the new bulb and snapped new bulb into place
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Primer bulb had cracked, I couldnt get gas to carb.
Gary - December 4, 2016
Tool Type
Snowblower
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Pliers, Socket set, Nutdriver
Parts Used
1. Drained the gas tank
2. Loosened shroud
3. Pushed clips on primer bulb together
4. Popped out primer bulb
5. Disconnected hose
6. Connected new hose to new primer
7. Pushed new primer bulb in place
8. Tightened shroud
9. Filled gas tank
10.Pressed primer several times
11. Unit started
12. Took less the 15 minutes total
2. Loosened shroud
3. Pushed clips on primer bulb together
4. Popped out primer bulb
5. Disconnected hose
6. Connected new hose to new primer
7. Pushed new primer bulb in place
8. Tightened shroud
9. Filled gas tank
10.Pressed primer several times
11. Unit started
12. Took less the 15 minutes total
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OEM stands for Original Equipment Manufacturer and means the part you’re buying is sourced directly from the manufacturer who made your product. At eReplacementParts, we sell only genuine OEM parts, guaranteeing the part you’re purchasing is of better design and of higher quality than aftermarket parts.
Our product descriptions are a combination of data sourced directly from the manufacturers who made your product as well as content researched and curated by our content & customer service teams. This content is edited and reviewed internally before being made public to customers.
Our customer service team are at the ready daily to answer your part and product questions. We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
All our part reviews are solicited directly from other customers who have purchased this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
Based on data from past customer purchasing behaviors, these parts are most commonly purchased together along with the part you are viewing. These parts may be necessary or helpful to replace to complete your current repair.
All our installation videos are created and produced in collaboration with our in-house repair technician, Mark Sodja, who has helped millions of eReplacementParts customers over the last 13 years repair their products. Mark has years of experience in selling and repairing both commercial and residential products with a specialty in gas-powered equipment.
This data is collected from customers who submitted a repair instruction after replacing this exact part. Customers can rate how easy the repair was to complete and how long it took. We aggregate this data to provide a repair rating that allows customers to quickly determine the difficulty and time needed to perform their own repair.
