Medium
1-2 hours
The diaphragm provides a tight seal between carburetor components. Unfortunately, over time the material will wear out and it may begin to crack eventually requiring a replacement. It is an authentic item that is supplied by the original manufacturer for use with Briggs and Stratton engines that are commonly installed on lawn and garden equipment. Keep in mind this high-quality component is made of durable composite material and is sold as in a pack of two. Refer to the appropriate diagrams for your model to ensure the correct repair procedure.
Diaphragm-carburetor 795478
OEM part for: Briggs and Stratton
Part Number: 795478
$7.06
In Stock
Ships within 1 business day 
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Compatibility
This part will fit the following 76 machines
Briggs and Stratton
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This item works with the following types of products:
- Engine Parts
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Abandoned mower, missing a wheel, sitting at the curb waiting to go to the junk yard
Lee - May 22, 2022
Tool Type
Lawn Mower
Difficulty
Medium
Time
1-2 hours
Tools Used
Screwdriver, Pliers, Socket set, Wrench Set
I wanted a project. The previous owner said i could have it and it may need a starter? It's a pull start.
Step 1 Power wash and engine degreaser.
Step 2 Inspect for oil - it was almost dry. Checked for spark - good. Air filter has never been changed. Primer bulb shot. Got it to start eventually - stable enough.
Step 3 Tore down the engine cover and carburetor enough to figure only that the only service this thing has seen is gasoline. Ordered the above parts.
Step 4 Cleaned out the carburetor and the top end of the engine. Sharpened the blade and made sure the whole mower was structurally sound.
Step 5 Replaced the parts that were ordered including the missing wheel assembly. Changed the oil, fresh gas, Three primes of the primer bulb. the machine came to life on the 1st pull.
I have mowed my grass three times so far, runs great. Selling it to a friend who needs a cheap mower
Step 1 Power wash and engine degreaser.
Step 2 Inspect for oil - it was almost dry. Checked for spark - good. Air filter has never been changed. Primer bulb shot. Got it to start eventually - stable enough.
Step 3 Tore down the engine cover and carburetor enough to figure only that the only service this thing has seen is gasoline. Ordered the above parts.
Step 4 Cleaned out the carburetor and the top end of the engine. Sharpened the blade and made sure the whole mower was structurally sound.
Step 5 Replaced the parts that were ordered including the missing wheel assembly. Changed the oil, fresh gas, Three primes of the primer bulb. the machine came to life on the 1st pull.
I have mowed my grass three times so far, runs great. Selling it to a friend who needs a cheap mower
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Engine would not spool up to operating speed, surging.
Larry - May 8, 2019
Tool Type
Lawn Mower
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Pliers, Socket set, Compressed air, carb cleaner, rags
Parts Used
Cleaned off mower deck; used carb cleaner to spray off grease and dirt; finished cleaning with compressed air. Removed fuel tank and carb; drained fuel tank; removed carb and cleaned sediment from carb and tank; used a q-tip to clean residue from crevices. Dried tank and carb. Peeled off paper gasket and diaphragm, cleaned surfaces. Placed new diaphragm and gasket on carb and located with 2 screws. Replaced carb and secured with screws. Reinstalled tank and carb, throttle bar and springs. Installed new air cleaner, filled with fresh gasoline, pushed prime 3 pumps, pulled starter cord and engine fired. Mowed the lawn.
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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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