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, Little Wonder
Part Number: 12314003930
$5.19
In Stock
Ships within 1 business day 
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Compatibility
This part will fit the following 99 machines
Shindaiwa
300S 300S Chainsaw View Diagrams & Manuals
345 345 Chainsaw View Diagrams & Manuals
377 Chainsaw View Diagrams & Manuals
415 Chainsaw View Diagrams & Manuals
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357 Gas Chainsaw View Diagrams & Manuals
360 Gas Chainsaw View Diagrams & Manuals
416 Gas Chainsaw View Diagrams & Manuals
451 Gas Chainsaw View Diagrams & Manuals
500 Gas Chainsaw View Diagrams & Manuals
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B460 (U08026001001-U08026999999) Brushcutters (B) View Diagrams & Manuals
360 (20001001-20001001) Gasoline Chainsaws View Diagrams & Manuals
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Echo
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SRM-300E1 Straight Shaft Trimmer View Diagrams & Manuals
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GT-140 Curved Shaft Grass Trimmer View Diagrams & Manuals
GT-140A Curved Shaft Grass Trimmer View Diagrams & Manuals
GT-140B Curved Shaft Grass Trimmer View Diagrams & Manuals
GT-160 Curved Shaft Grass Trimmer View Diagrams & Manuals
GT-200A Curved Shaft Grass Trimmer View Diagrams & Manuals
GTL-140 (0001001 - 0010204) Curved Shaft Grass Trimmer View Diagrams & Manuals
GTL-140 (After S/N 0010205) Curved Shaft Grass Trimmer View Diagrams & Manuals
KE-140DA Curved Shaft Grass Trimmer View Diagrams & Manuals
KE-200DA Curved Shaft Grass Trimmer View Diagrams & Manuals
SRM-140D Curved Shaft Trimmer / Brushcutter View Diagrams & Manuals
SRM-140DA Curved Shaft Trimmer / Brushcutter View Diagrams & Manuals
SRM-200AE Straight Shaft Trimmer / Brushcutter View Diagrams & Manuals
SRM-200DA (After S/N 061536) Straight Shaft Trimmer / Brushcutter View Diagrams & Manuals
SRM-200D Straight Shaft Trimmer / Brushcutter View Diagrams & Manuals
SRM-202DA Straight Shaft Trimmer / Brushcutter View Diagrams & Manuals
SRM-200DA (001001 - 061535) Straight Shaft Trimmer / Brushcutter View Diagrams & Manuals
SRM-200 Straight Shaft Trimmer / Brushcutter View Diagrams & Manuals
SRM-200DB (001001 - 021800) Straight Shaft Trimmer / Brushcutter View Diagrams & Manuals
SRM-200DB (After S/N 021801) Straight Shaft Trimmer / Brushcutter View Diagrams & Manuals
SRM-210E Straight Shaft Trimmer / Brushcutter View Diagrams & Manuals
SRM-400E Straight Shaft Trimmer View Diagrams & Manuals
SRM-300 Straight Shaft Trimmer / Brushcutter View Diagrams & Manuals
CS-302S (After S/N 64671) Chainsaw View Diagrams & Manuals
CS-302 Chainsaw View Diagrams & Manuals
CS-302S (Before S/N 17500) Chainsaw View Diagrams & Manuals
CS-302S (17501 - 30500) Chainsaw View Diagrams & Manuals
CS-302S (30501 - 64670) Chainsaw View Diagrams & Manuals
CS-315 (Before S/N 058000) Chainsaw View Diagrams & Manuals
CS-315 (058001 - 090010) Chainsaw View Diagrams & Manuals
KEH-202D View Diagrams & Manuals
CS-351VL Chainsaw View Diagrams & Manuals
CS-400EVL Chainsaw View Diagrams & Manuals
CS-400EVLP Chainsaw View Diagrams & Manuals
CS-452VL (0 - 0230441) Chainsaw View Diagrams & Manuals
CS-452VL (After S/N 023442) Chainsaw View Diagrams & Manuals
CS-440EVL Chainsaw View Diagrams & Manuals
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CS-352 34cc Chainsaw View Diagrams & Manuals
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CS-3500 Chainsaw View Diagrams & Manuals
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CS-353ES (C31926001001-C31926999999) Chainsaw View Diagrams & Manuals
CS-4200ES (36001001-36999999) Chainsaw View Diagrams & Manuals
CS-420ES (20001001-20999999) Chainsaw View Diagrams & Manuals
CS-420ES (37027771-37999999) Chainsaw View Diagrams & Manuals
CLS-4610 Trimmer - Straight Shaft Clearing Saw View Diagrams & Manuals
SRM-4605 (20001001-20999999) Trimmer View Diagrams & Manuals
SRM-4605U (S98426001001-S98426999999) Trimmer View Diagrams & Manuals
SRM-420ESAR (U14826001001-U14826999999) Straight Shaft Trimmer Brushcutter (Srm) Srm-420es View Diagrams & Manuals
SRM-420ES-LW (AR)(U16726001001-U16726999999) Straight Shaft Trimmer Brushcutter (Srm)Ar View Diagrams & Manuals
SRM-420ES (U)(S89837001001-S89837999999) Straight Shaft Trimmer Brushcutter (Srm)U View Diagrams & Manuals
SV-2A Engine Lawn Equipment View Diagrams & Manuals
SV-2AE Engine Lawn Equipment View Diagrams & Manuals
SV-3 Engine Lawn Equipment View Diagrams & Manuals
CLS-4600 Trimmer Lawn Equipment View Diagrams & Manuals
GTL-140 (0010205 & Up) Trimmer Lawn Equipment View Diagrams & Manuals
SRM-200DA Trimmer Lawn Equipment View Diagrams & Manuals
PPT-2400 (E14220001001-E14220999999) Pole Saw Lawn Equipment View Diagrams & Manuals
PPT-2400 (E14536001001-E14536999999) Pole Saw Lawn Equipment View Diagrams & Manuals
CS-271T (C67115001001-C67115999999) Chainsaw Lawn Equipment View Diagrams & Manuals
CS-302S (00000-17500) Chainsaw Lawn Equipment View Diagrams & Manuals
CS-302S (64671-99999) Chainsaw Lawn Equipment View Diagrams & Manuals
CS-310 (C80829001001-C80829999999) Chainsaw Lawn Equipment View Diagrams & Manuals
CS-315 (00000-058000) Chainsaw Lawn Equipment View Diagrams & Manuals
CS-355T (C33414001001-C33414999999) Chainsaw Lawn Equipment View Diagrams & Manuals
CS-452VL Chainsaw Lawn Equipment View Diagrams & Manuals
PB-400E (2E)(509501-999999) Backpack Blower Lawn Equipment View Diagrams & Manuals
Little Wonder
SV-2A View Diagrams & Manuals
SV-2AE View Diagrams & Manuals
Show More Compatible Models
This item works with the following types of products:
- Chain Saw Parts
- Saw Parts
- Blower Parts
- Trimmer Parts
- Grass Trimmer Parts
This part replaces obsolete part #: 20036-81510, 22100-81290
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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.
Did you find this story helpful?
Thanks for voting and helping fellow customers!
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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.
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