Part Location Diagram of 799866 Briggs and Stratton Carburetor
See part E-125B in the diagram
( Grid squares measure 1x1 inch )
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Carburetor 799866

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$ 65.83
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 Fits your 20331!
PartSelect Number PS9139157
Manufacturer Part Number 799866
Manufactured by Briggs and Stratton
Product Description

Carburetor Specifications

This is an authentic OEM replacement part used on lawn and garden engines. The purpose of this part is to mix air and gas before the fuel mix goes to the engine. This Carburetor is a auto-choke system. If the engine won't start and the tank is full of fresh fuel, test the carburetor by removing the air filter and pouring about a teaspoon of fuel into the carburetor. Pull the starter rope. If the engine starts and then quickly dies, the carburetor is likely the problem. This assembly includes a metal body carburetor, rubber o-ring and a gasket. When replacing carburetor it is advised that you also replace carburetor gaskets to ensure proper air tight seal for optimum performance. You will need a screwdriver to perform this repair.
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Troubleshooting
This part works with the following products:
Engine, Lawn Mower.
This part works with the following products:
Briggs and Stratton, Toro.
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Questions and Answers

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James Bishop
April 19, 2018
Does this carburetor come with the two springs for the choke and throttle?
For model number 128M02-0005-F1
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Hello James, thank you for your question. Per the manufacturer the carburetor includes a metal body carburetor, rubber o-ring and a gasket. I would say that it does not include the springs for the choke and throttle. I hope this information helps!

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Steve
November 14, 2018
When I lookup a carb. For my model 126t02-0114-b1 it shows carb. 799866 but under the list of model engines that it fits mine is not there. Does this carburetor fit my engine 126t02-0114-b1 or not/?
For model number 126T02-0114-B1
PartSelect logo
Hello Steve, Thank you for the question. That list is models other then the one entered or other models this carb will also work on. I have researched the model you have provided and have found the part you’re looking for is 799866. Hope this helps, good luck with this repair!

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Model Cross Reference
This part works with the following models:
PartSelect Number: PS9139157
Manufacturer Part Number: 799866
Brand
Model Number
Description
Briggs and Stratton
124L02-0115-F1
Engine - Engine
Briggs and Stratton
124L02-0119-F1
Engine - Engine
Briggs and Stratton
124L02-0120-F1
Engine - Engine
Briggs and Stratton
124L02-0121-F1
Engine - Engine
Briggs and Stratton
124L02-0124-F1
Engine - Engine
Briggs and Stratton
124L02-0126-F1
Engine - Engine
Briggs and Stratton
124L02-0127-F1
Engine - Engine
Briggs and Stratton
124L02-0130-F1
Engine - Engine
Briggs and Stratton
124L02-0134-F1
Engine - Engine
Briggs and Stratton
124L02-0135-F1
Engine - Engine
Briggs and Stratton
124L02-0136-F1
Engine - Engine
Briggs and Stratton
124L02-0154-F1
Engine - Engine
Briggs and Stratton
124L02-0165-F1
Engine - Engine
Briggs and Stratton
124L02-0166-F1
Engine - Engine
Briggs and Stratton
124L02-0167-F1
Engine - Engine
Briggs and Stratton
124L02-0212-F1
Engine - Engine
Briggs and Stratton
124L02-0530-F1
Engine - Engine
Briggs and Stratton
124L02-0645-F2
Engine - Engine
Briggs and Stratton
124L02-0650-F3
Engine - Engine
Briggs and Stratton
124L02-1307-F1
Engine - Engine
Briggs and Stratton
124L02-4115-F1
Engine - Engine
Briggs and Stratton
124L02-4650-F3
Engine - Engine
Briggs and Stratton
124L05-0128-F1
Engine - Engine
Briggs and Stratton
124L05-0947-F2
Engine - Engine
Briggs and Stratton
124L05-0975-F1
Engine - Engine
Briggs and Stratton
124L05-1103-F1
Engine - Engine
Briggs and Stratton
124L05-1306-F1
Engine - Engine
Briggs and Stratton
124L05-4947-F2
Engine - Engine
Briggs and Stratton
124L05-5128-F1
Engine - Engine
Briggs and Stratton
124L07-0112-F1
Engine - Engine
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