Easy
30-60 minutes
This is a genuine manufacturer-supplied part that is made for use with Subaru / Robin engines that are commonly installed on a variety of lawn and garden equipment. The packing provides a tight seal for the air cleaner base. It is recommended to replace gaskets and seals when servicing the engine to ensure proper seals when the parts are reassembled. This high-quality packing is made of durable material and is sold individually. refer to the parts diagrams for your model to ensure the correct repair procedure.
Gasket 3 20B-35903-13
OEM part for: Subaru / Robin
Part Number: 20B-35903-13
$3.99
In Stock
Ships within 1 business day 
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Compatibility
This Gasket 3 will fit the following 69 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 #: 20B-32720-H8, 20B-35903-03
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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.
Carburetor-fuel overflowing
Thomas - January 31, 2019
Tool Type
Engine
Difficulty
Easy
Time
30-60 minutes
Tools Used
Screwdriver, Pliers, Socket set, Gasket scraper (razor blade) ,carb cleaner, air compressor
1. Shut off fuel valve.
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)
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.
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