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Briggs & Stratton
Lawn & Garden Engine

Model # 121700 TO 121799 (3109, 3115-3147) Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 121700-TO-121799-3109-3115-3147 engine, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 291 parts  |
Carburetor Primer 496115
#387

Filter/base - air cleaner diagram

Carburetor primer

Part #496115

Replaced by #694395

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Manufacturer substitution
This part replaces 496115. Substitute parts can look different from the original.
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$5.24 | 
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Spark Plug 298809
#337

Cylinder/intake - manifold diagram

Spark plug

Part #298809

Replaced by #796112S

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Manufacturer substitution
This part replaces 298809. Substitute parts can look different from the original.
BEST SELLER
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$5.24 | 
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Spark Plug 293918
#337B

Cylinder/intake - manifold diagram

Spark plug

Part #293918

Replaced by #796112S

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Manufacturer substitution
This part replaces 293918. Substitute parts can look different from the original.
BEST SELLER
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$5.24 | 
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Fuel Cap 397974
#957

Seal, o-ring/lin-fuel diagram

Fuel cap

Part #397974

Replaced by #796577

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Manufacturer substitution
This part replaces 397974. Substitute parts can look different from the original.
BEST SELLER
$20.09 | 
23% OFF Phone Price : $26.09
In Stock
Fuel Tank Cap 494277
#957B

Seal, o-ring/lin-fuel diagram

Fuel tank cap

Part #494277

Replaced by #796577

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Manufacturer substitution
This part replaces 494277. Substitute parts can look different from the original.
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$20.09 | 
23% OFF Phone Price : $26.09
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Fuel Tank Cap 493017
#957A

Seal, o-ring/lin-fuel diagram

Fuel tank cap

Part #493017

Replaced by #796577

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Manufacturer substitution
This part replaces 493017. Substitute parts can look different from the original.
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$20.09 | 
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Fuel Pipe 492790
#187

Seal, o-ring/lin-fuel diagram

Fuel pipe

Part #492790

Replaced by #791766

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Manufacturer substitution
This part replaces 492790. Substitute parts can look different from the original.
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$9.59 | 
9% OFF Phone Price : $10.59
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Air Cleaner Gasket 272653
Air cleaner gasket

Part #272653

Replaced by #795629

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Manufacturer substitution
This part replaces 272653. Substitute parts can look different from the original.
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$4.51 | 
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Spark Plug 492167
#337C

Cylinder/intake - manifold diagram

Spark plug

Part #492167

Replaced by #J19LM

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Manufacturer substitution
This part replaces 492167. Substitute parts can look different from the original.
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$4.80 | 
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Lawn & Garden Equipment Engine Ignition Coil 802574
#333

Brake/armature-magneto diagram

Lawn & garden equipment engine ignition coil

Part #802574

Replaced by #590454

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Manufacturer substitution
This part replaces 802574. Substitute parts can look different from the original.
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$53.78 | 
10% OFF Phone Price : $59.78
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