Easy
15-30 minutes
This is a genuine manufacturer-sourced replacement component which is specially designed for use with Briggs and Stratton engines commonly installed on lawn and garden equipment. The purpose of this cover is to hold the air filter element, please note the cover is sold separately. It is a high-quality part which is made of durable metal and it is sold individually, this item includes the gasket.
Base-air Cleaner 790631
OEM part for: Briggs & Stratton Engines
Part Number: 790631
$34.64
In Stock
Ships within 1 business day 
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Compatibility
This Base-air Cleaner will fit the following 1346 machines. Confirm this part works with your model, and view the detailed model diagrams and repair help we have to offer.
Briggs & Stratton Engines
Show More Compatible ModelsThis item works with the following types of products:
- Engine Parts
Customer Part Reviews ?
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- 1
Worked as expected.
Product received as ordered. Perfect fit for my power generator. Thanks
wilfredo -
June 7, 2019
Verified Purchase
Perfect fit replacement part
So glad this part was available as many for older tools are not. This part seemed a bit stronger that the one that was being replaced, as the metal around where it mounts to the carb looks and feels thicker. Good thing because the old one cracked through the mounting holes due to vibration over the years. The reason for 4 stars rather than 5 is there was no gasket as depicted.
Guest -
September 12, 2019
Verified Purchase
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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.
Damaged air intake
wendell - April 12, 2017
👍 1 of 1 people found this instruction helpful
Tool Type
Engine
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Wrench Set
Parts Used
Removed the damaged air cleaner base and installed the new one
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Needed air filter assembly
Richard - October 30, 2019
Tool Type
Blower
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Nutdriver, No other tools
2 screws for the filter assembly and 2 screws for the air filter cover that's all
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The air cleaner base plate fatigued and broke through the mounting holes due to chipper vibration over the years.
Jeffrey - September 12, 2019
Tool Type
Engine
Difficulty
Easy
Time
Less than 15 minutes
Tools Used
Nutdriver
Parts Used
1. Loosened the two screws holding the air cleaner closure in place
2. Removed the air cleaner.
3. removed the two screws holding the base plate onto the carburetor.
4. Reinstalled in reverse order.
5. Reinstalled the choke lever through the hole in the top of the base plate, making sure the slots on the lever were aligned with the tabs on the choke shaft.
2. Removed the air cleaner.
3. removed the two screws holding the base plate onto the carburetor.
4. Reinstalled in reverse order.
5. Reinstalled the choke lever through the hole in the top of the base plate, making sure the slots on the lever were aligned with the tabs on the choke shaft.
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My power generator had the base-air cleaner broken.
wilfredo - June 7, 2019
Tool Type
Engine
Difficulty
Easy
Time
15-30 minutes
Tools Used
Screwdriver, Socket set
Parts Used
1. Remove air filter cover with a flat tip screw driver.
2. Pull out the air filter.
3. Unscrew and remove the two bolts that hold the base-air cleaner with socket wrench apart from the carburetor.
4. Remove gasket and place the new one.
5. Place the new base-air cleaner and screw the two bolts with the carburetor.
6. Insert the air filer and its cover.
7. Screw the two bolts with the flat tip screwdriver to secure the air filter to its base.
8. Your done!
2. Pull out the air filter.
3. Unscrew and remove the two bolts that hold the base-air cleaner with socket wrench apart from the carburetor.
4. Remove gasket and place the new one.
5. Place the new base-air cleaner and screw the two bolts with the carburetor.
6. Insert the air filer and its cover.
7. Screw the two bolts with the flat tip screwdriver to secure the air filter to its base.
8. Your done!
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Bent air cleaner base and broken air cleaner cover
Kerry - March 29, 2018
Tool Type
Engine
Difficulty
Easy
Time
15-30 minutes
Tools Used
Nutdriver, Gasket scraper
Remove air cleaner cover. Remove air filter. Remove air cleaner base. Install new parts.
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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.
