This item has been sourced from the original manufacturer to be used with small engines from Subaru/Robin. The gasket is used to seal the connection between the carburetor and the insulator assembly. It is recommended to replace gaskets when servicing the engine to ensure proper seals when the parts reassembled. This item is available as a single item.
Insulator Gasket 279-35902-J3
OEM part for: Subaru / Robin
Part Number: 279-35902-J3
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Compatibility
This Insulator Gasket will fit the following 331 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
Subaru / Robin
Show More Compatible ModelsThis item works with the following types of products:
- Engine Parts
This part replaces obsolete part #: 279-35802-J3
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Does this fit my product?Questions & Answers for Insulator Gasket
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.
Generator had been left for gas to gel and clog carb
Tool Type
Engine
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Pliers, Socket set, Wrench Set, Nutdriver, Carb cleaner, towels, flashlight
Remove gas line from carburetor and drain fuel tank
Remove carburetor linkage from carburetor
Remove air filter housing
When you remove the two interior bolts from the air filter the carburetor will also be loose
Remove air cleaner and carburetor
Dissemble Carburetor and spray parts with carburetor cleaner
Don't try to do a full soak in carb cleaner the carb is simple it just needs a flush
check all passages, use new gaskets, rope packing for the bowl and replace jets
Reassemble and Va room, thanks eReplacement parts, easy to read parts catalog and fast shipping.
Stephen K.
Leaking fuel bowl gasket.
Tool Type
Engine
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Screwdriver, Socket set
2. Clean all gasket residue from parts and engine
3. Placed a thin coat of gasket sealer on the engine side
4. Replace parts and tighten fasteners.
engine would run for short time then stop
Tool Type
Engine
Difficulty
Medium
Time
30-60 minutes
Tools Used
Pliers, Socket set, Nutdriver
Carb rebuild needed
Tool Type
Engine
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver, Socket set
Carburator was plugged up.
Tool Type
Engine
Difficulty
Medium
Time
30-60 minutes
Tools Used
Socket set, Wrench Set, Nutdriver, scissors, pencil.
Parts Used
2. Made new gasket (the one you sent was wrong, already had that one, the one I needed was the one for the intake side of carb. not the output side. The parts diagrams were not very clear.)
3. Installed the carb. and air cleaner with new foam filter.
4. Connected the fuel lines.
5. Engine started on the first pull.
Carburetor was leaking fuel.
Tool Type
Engine
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Wrench Set
2. Disengaged linkage and removed carburetor.
3. Removed bottom bowl of carburetor.
4. Removed float, changed pin and replaced float.
5. Replaced bowl gaskets and reinstalled bowl.
6. Replaced gaskets and reinstalled carburetor and air cleaner.
The gaskets on my generator where torn by the previous owner.
Tool Type
Engine
Difficulty
Easy
Time
15-30 minutes
Tools Used
Socket set, Razor blade scraper
2. Remove two 10mm nuts from the inside.
3. Replaced the gaskets.
4. Reassembled and tested.
Defective gaskets and air filter
Tool Type
Engine
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Pliers, Socket set, None
Fuel leak at and around carburetor bowl
Tool Type
Engine
Difficulty
Medium
Time
30-60 minutes
Tools Used
Socket set, Sandpaper Emory cloth
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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.
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.