Briggs & Stratton
Lawn & Garden Engine

Model # 121A12-0277-E1 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 121A12-0277-E1 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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Showing 10 of 157 parts  |

Fuel Tank Cap 694261

#957

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Fuel tank cap

Part #694261

Replaced by #795027

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Manufacturer substitution
This part replaces 694261. Substitute parts can look different from the original.
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Fuel Tank 694260

#972

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Fuel tank

Part #694260

Replaced by #799863

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Manufacturer substitution
This part replaces 694260. Substitute parts can look different from the original.
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Key 222698

#24

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Key

Part #222698

Replaced by #222698S

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Manufacturer substitution
This part replaces 222698. Substitute parts can look different from the original.
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Lawn & Garden Equipment Engine Carburetor Float Bowl Gasket (replaces 280492) 693981

#137

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Lawn & garden equipment engine carburetor float bowl gasket (replaces 280492)

Part #693981

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Lawn & Garden Equipment Engine Carburetor Needle Valve (replaces 281144, 281178, Bs-398188) 398188

#134

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Lawn & garden equipment engine carburetor needle valve (replaces 281144, 281178, bs-398188)

Part #398188

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Pawl 281505

#459

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Pawl

Part #281505

Replaced by #281505S

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Manufacturer substitution
This part replaces 281505. Substitute parts can look different from the original.
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$5.80
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Fuel Line 693401

#187

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Fuel line

Part #693401

Replaced by #791874

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Manufacturer substitution
This part replaces 693401. Substitute parts can look different from the original.
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Lawn & Garden Equipment Engine Recoil Starter Pawl Friction Plate (replaces 281503, Bs-692299) 692299

#456

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Lawn & garden equipment engine recoil starter pawl friction plate (replaces 281503, bs-692299)

Part #692299

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Wrench 19374

#383

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Wrench

Part #19374

Replaced by #19576S

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Manufacturer substitution
This part replaces 19374. Substitute parts can look different from the original.
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Lawn & Garden Equipment Engine Recoil Starter Rope (replaces 693449, Bs-693389) 693389

#58

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Lawn & garden equipment engine recoil starter rope (replaces 693449, bs-693389)

Part #693389

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