Medium
1-2 hours
This is an authentic replacement part manufactured for use with outdoor power equipment. The diaphragm gasket seals the carburetor and fits between the carburetor and the diaphragm. It is recommended to replace the gaskets when servicing the carburetor to ensure good seals when it is reassembled. This gasket is sold as an individual replacement part.
Gasket-m. Diaphragm 12314003930
OEM part for: Echo, Shindaiwa
Part Number: 12314003930
$5.19
In Stock
Ships within 1 business day 
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Compatibility
This Gasket-m. Diaphragm will fit the following 105 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
This item works with the following types of products:
- Chain Saw Parts
- Saw Parts
- Blower Parts
- Trimmer Parts
This part replaces obsolete part #: 20036-81510, 22100-81290
Repair Videos ?
Articles:
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Filthy Filters? This article will show you how to install a filter kit on an Echo SRM-225 trimmer....
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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.
Hard starting - would run very briefly and stop.
Randall - July 1, 2017
Tool Type
Chain Saw
Difficulty
Medium
Time
1-2 hours
Tools Used
Screwdriver, Pliers, Socket set, Wrench Set, Nutdriver, compressed air, carburetor cleaning solvent
1: Remove air filter
2: Remove recoil starter assembly.
3: Loosen carburetor nuts
4: Disconnect throttle and choke linkage from carburetor
5: Unplug kill switch wiring
6: Remove carburetor from engine
7: Disassemble carburetor - note the location of low and high speed needles and tension springs
8: Pry out strainer from carburetor body
9: Soak metallic carburetor parts in carburetor cleaner.
10: Carefully scrape old gasket material from carburetor body, diaphragm and pump covers
11: Blow out all passages thoroughly and blow dry all parts.
12: Inspect tank and fuel line - clean
13: Reassemble carburetor with new strainer, pump and diaphragm
14: Install carburetor and reassemble saw in reverse order from disassembly.
Blade tensioner and adjuster were replaced at this time as well - had nothing to do with the starting problem.
2: Remove recoil starter assembly.
3: Loosen carburetor nuts
4: Disconnect throttle and choke linkage from carburetor
5: Unplug kill switch wiring
6: Remove carburetor from engine
7: Disassemble carburetor - note the location of low and high speed needles and tension springs
8: Pry out strainer from carburetor body
9: Soak metallic carburetor parts in carburetor cleaner.
10: Carefully scrape old gasket material from carburetor body, diaphragm and pump covers
11: Blow out all passages thoroughly and blow dry all parts.
12: Inspect tank and fuel line - clean
13: Reassemble carburetor with new strainer, pump and diaphragm
14: Install carburetor and reassemble saw in reverse order from disassembly.
Blade tensioner and adjuster were replaced at this time as well - had nothing to do with the starting problem.
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Carb needed rebuild and clean
Donald - March 6, 2017
Tool Type
Chain Saw
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Pliers, Socket set, Nutdriver
I took the carb off and disassembled it then cleaned with carb cleaner and reassembled.
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Thanks for voting and helping fellow customers!
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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.
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