It is a genuine manufacturer-sourced replacement part used on a variety of Subaru/Robin engines commonly installed on lawn and garden equipment. This part provides an air-tight seal between the carburetor and the insulator, over time the material tends to deteriorate and crack eventually requiring replacement. This part is made of high-quality composite material and it is sold individually.
Gasket 2 20B-35902-H3
OEM part for: Subaru / Robin
Part Number: 20B-35902-H3
7 - 12 business days
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Frequently Purchased Together ?
Compatibility
This part will fit the following 69 machines
Subaru / Robin
This item works with the following types of products:
- Engine Parts
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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.
Broken fuel shut-off/straner and carburetor float
Tool Type
Engine
Difficulty
Easy
Time
15-30 minutes
Tools Used
Pliers, Nutdriver
2. Replaced with new parts and gaskets.
3. Added fuel to the tank and the engine started and ran perfectly.
Carburetor-fuel overflowing
Tool Type
Engine
Difficulty
Easy
Time
30-60 minutes
Tools Used
Screwdriver, Pliers, Socket set, Gasket scraper (razor blade) ,carb cleaner, air compressor
2. Disconnected fuel line.
3. Opened fuel valve, drained old gas from tank.
4. Drained carburetor via drain screw.
5. Removed air cleaner assembly and disconnected ohv breather tube.
6. Removed carburetor and disconnected linkage.
7. Disassembled carburetor, cleaned METAL PARTS ONLY with carb cleaner / compressed air.
8. Cleaned all intake gasket surfaces w/razor blade.
9. Reassembled carburetor with new parts.
10. Reinstalled parts in reverse order.
11. NEW GAS (high octaine, no ethanol)
12. (Took photos at each step for reference)
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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.