This a a genuine OEM replacement check valve for your small engine. It is also known as a fuel tank vent. You may need to replace this part if you are noticing debris or dirty oil in the reservoir. Make sure the engine is cool before you begin this repair, and remove the wire and boot from the spark plug to prevent the engine from starting up.
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★★★★★
★★★★★
David B - May 13, 2021
Verified Purchase
Echo Trimmer reconditioning and service
I purchased several parts for my 25 year old SRM 2400 Echo Trimmer. New engine cover, gas filter, breather, air filter, gas lines and seal for gas tank.
All parts arrived as ordered and fit excellent. Repairs were made easily and someone with very little skill set could do what I did, despite my mechanical ability.
I will continue to use Partselect for my needs in the future. Very good service.
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Average Repair Rating: 3.7 / 5.0, 3 reviews.
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I ordered the exact parts for my exact unit from the exploded view diagram provided by Parts Select Website. When the parts arrived the Tune Up kit's fuel filter was the incorrect size. The part listed on their website is incorrect, I only ordered based on the information provided on Parts Select Website. When I requested a refund via Par
... Read morets Select email address. I never heard another word from them. I had to open dispute from my credit card company.
This blower is quite old looked on YouTube. Removed grommet with needle nose pliers. Removed tank to install new parts. I had trouble getting return line off carb so planned to reuse it after grommet was in place. Thin was a mistake because the seated grommet compresses the holes. Took unnecessary time to get it through. With my trimmer w
... Read moreith all lines in place. Hardest part was to get the grommet to seat even with silicone.
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Jim
February 19, 2018
Where is the fuel vent located?
For model number Echo CS301 chain saw
Hi Jim,
Thank you for your question. This part is located at the top of your 3x5x150mm fuel pipe. I hope that helps. Good luck with your repair.
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Donald
July 31, 2018
Where is fuel vent ( check valve) located. Looks like its behind pull starter? How do i replace it. Thanks.
For model number CS 346
Hello Donald, Thank you for the question. The Fuel Tank Vent just inserts into the end of the fuel pipe. Hope this helps!
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John
April 29, 2018
I cannot find the fuel air vent or tube. Does this saw have an air vent?
For model number Echo CS-341
Hello John, Thank you for your inquiry. Part number V471001200 is the vent tube, and the fuel tank vent- part number A356000031- allows air to re-enter the fuel tank. Hope this helps!
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_WW_2.gif "Part Location Diagram of A356000031 Echo Fuel Tank Vent")
_WW_2.gif "Part Location Diagram of A356000031 Echo Fuel Tank Vent")
