Briggs & Stratton
Lawn & Garden Engine

Model # 331877-1234-B1 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 331877-1234-B1 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 173 parts  |

Oil Filter 795890

#1027

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Oil filter

Part #795890

Replaced by #696854

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Manufacturer substitution
This part replaces 795890. Substitute parts can look different from the original.
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Lawn & Garden Equipment Engine Air Filter (replaces Bs-793569) 793569

#445

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Lawn & garden equipment engine air filter (replaces bs-793569)

Part #793569

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Lawn & Garden Equipment Engine Pre-filter (replaces Bs-793685) 793685

#967

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Lawn & garden equipment engine pre-filter (replaces bs-793685)

Part #793685

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Lawn & Garden Equipment Engine Exhaust Gasket (replaces 272293, 91309, Bs-692236) 692236

#883

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Lawn & garden equipment engine exhaust gasket (replaces 272293, 91309, bs-692236)

Part #692236

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Lawn & Garden Equipment Engine Rocker Arm Cover Gasket (replaces 272475, 692285) 272475S

#1022

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Lawn & garden equipment engine rocker arm cover gasket (replaces 272475, 692285)

Part #272475S

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Lawn & Garden Equipment Engine Crankcase Gasket 697110

#12

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Lawn & garden equipment engine crankcase gasket

Part #697110

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Lawn & Garden Equipment Engine Cylinder Head Gasket (replaces 699168) 794114

#7

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Lawn & garden equipment engine cylinder head gasket (replaces 699168)

Part #794114

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Lawn & Garden Equipment Engine Oil Seal (replaces 791892, Bs-795387) 795387

#20

All parts diagram

Lawn & garden equipment engine oil seal (replaces 791892, bs-795387)

Part #795387

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Armature 795315

#333

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Armature

Part #795315

Replaced by #595304

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This part replaces 795315. Substitute parts can look different from the original.
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Lawn & Garden Equipment Engine Gasket Set (replaces 690190) 794152

#1095

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Lawn & garden equipment engine gasket set (replaces 690190)

Part #794152

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Symptoms for gas snowblowers

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Main causes: dirty carburetor, clogged fuel filter, dirty spark plug, incorrect valve lash, leaky engine gaskets…

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Main causes: clogged chute, snow build-up in auger housing, broken auger shear pins, auger drive belt needs adjustment, …

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How to replace a snowblower shave plate

How to replace a snowblower shave plate

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Repair difficulty
Time required
 15 minutes or less

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