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Primer Bulb and Retainer Ring Assembly

Part Number: 640259
TecumsehToro
Availability: 25+ in stock
Price: $7.37
Ships within 1 business day
Product Information
Manufacturer: Tecumseh, Toro
Product Number: 640259
Classification: Part
Weight: 0.01 lbs.
Shipping: Ships Worldwide
Description:
This is a genuine OEM approved replacement part designed for use with Toro lawnmowers with Tecumseh engines. By pressing on the purge bulb, it will force fuel into the fuel line from the fuel tank into the carburetor. Once the carburetor is full of fuel, the excess fuel will be purged back into the tank in the fuel return line. At some time the primer will lose its elasticity or crack and need to be replaced. It is made out of rubber and it is sold individually.
Compatibility

This part is compatible with the following machines:

Toro
Tecumseh
Expand the 74 compatible machines
Products Compatibility

This item works with the following types of products:

  • β€’ Lawn Mower
Questions & Answers

No questions have been asked yet
Repair Instructions: Submitted by Customers Like You
20 of 21 people found this instruction helpful
Tool Type:
Lawn Mower
Parts Used:
Primer Bulb and Retainer Ring Assembly - 640259
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, Pliers, 19mm socket, small hammer
Hole in primer bulb
Pull out old primer bulb and pry out retainer ring with small screwdriver. Put new retainer ring over new primer bulb with ears facing out, put in place and place 19mm socket over bulb and drive retainer ring in place tapping on socket with hammer.
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3 of 3 people found this instruction helpful
Tool Type:
Lawn Mower
Parts Used:
Primer Bulb and Retainer Ring Assembly - 640259
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver, One socket and Hammer
Air getting into gas line. I could get it started after priming, but mower wouldn't stay running.
Repaired as instructed. Removed retainer ring with screwdriver and used socket and hammer to insert ring and primer bulb. As a 54 y.o. woman, I figured out the problem AND fixed it myself.
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2 of 2 people found this instruction helpful
Tool Type:
Lawn Mower
Parts Used:
Primer Bulb and Retainer Ring Assembly - 640259
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Pliers, Wooden tube
Cracked plunger bulb
Remove the old primer by pulling on it. The remove the the retaining ring. Then press the new primer back in and use a socket the same size of the retaining ring and tap it in, with the tabs facing up.
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Tool Type:
Lawn Mower
Parts Used:
Primer Bulb and Retainer Ring Assembly - 640259
Repair Difficulty:
Easy
Time Spent Repairing:
15-30 minutes
Tools Used:
Screwdriver, Pliers, Socket set, Q-tip to clean out any dirt
Lawn mower rubber primer bulb replaced
Removed old cracked bulb w/screwdriver and pliers
Replaced with new bulb and retainer ring
Tapped into place with socket
Mower started and ran smooth on first try
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Tool Type:
Lawn Mower
Parts Used:
Spark Plug - 35395
Primer Bulb and Retainer Ring Assembly - 640259
Filter-Air Cleaner - 36905
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver, Pliers, Socket set, No others needed
Primer bulb was torn, spark plug and air filter were overdue for a change
Use socket to replace spark plug. Air filter does not require any tools. The primer bulb is held in place by a retainer ring so you need a sharp tool to get behind the ring and pry it out. Very simple to do.
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Tool Type:
Lawn Mower
Parts Used:
Primer Bulb and Retainer Ring Assembly - 640259
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
, 19mm socket
primer blub cracked
poped off retainer ring, pulled off primer blub...used 19mm socket placed over bulb and retainer ring tapped in with rubber mallet..slight pull on blub to insure proper install.
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Tool Type:
Lawn Mower
Parts Used:
Primer Bulb and Retainer Ring Assembly - 640259
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver, none
primer bulb was bad..
I pulled the old one out and put the new bulb in.
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Tool Type:
Lawn Mower
Parts Used:
Primer Bulb and Retainer Ring Assembly - 640259
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Screwdriver, Pliers, 19 mm socket, small hammer
It had dry-rotted allowing air leak
I ripped the old one out with pliers, pried out old retaining ring. Slipped the new ring over the new bulb and tapped it into place with hammer and 19 MM deep socket. That’s it. πŸ˜€
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Tool Type:
Lawn Mower
Parts Used:
Primer Bulb and Retainer Ring Assembly - 640259
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Pliers, Socket set, Nutdriver, Pliers screwdriver socket
Lawnmower primer bulb replace
Take the old primer bulb off put The new one on with a socket Hooked up the hoses but gas in it done.
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Thanks for voting and helping fellow customers!
Tool Type:
Lawn Mower
Parts Used:
Primer Bulb and Retainer Ring Assembly - 640259
Repair Difficulty:
Easy
Time Spent Repairing:
Less than 15 minutes
Tools Used:
Pliers, Pick and a socket and hammer
Hard starting
Pulled old primer out with pliers, removed retainer ring with a pick then put bulb in and tapped retainer ring in with a socket that fit the ring.
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Reviews
4.5
Average Rating (out of 5):
4 Reviews
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  • Super easy to install!
    It was super easy to install and my lawn mover is working great!
    Guest - June 28, 2022 Verified Purchase
    Great resource
    I was able to repair my 18 yr. old lawnmower with the correct replacement parts as well as the instructions to make the repair. Just great!
    Guest - June 2, 2020 Verified Purchase
    Lawn mower parts for a Toro
    The parts arrived as stated and were just what I ordered. Things went well.!
    Guest - May 12, 2021 Verified Purchase
    tall grass
    The parts were correct and worked fine just a little upset with delivery, paid extra to get it here in two days and didnt show up up for seven days. I get the covid thing, so just say no matter how much you spend it will not get here for 7 to 10 business days. Just saying!
    Guest - September 8, 2020 Verified Purchase
    Verified Purchase
    eReplacementParts Team
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    Product Information
    Manufacturer: Tecumseh, Toro
    Product Number: 640259
    Classification: Part
    Weight: 0.01 lbs.
    Shipping: Ships Worldwide

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