Briggs & Stratton
Lawn & Garden Engine

Model # 33R877-0033-G1 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 33R877-0033-G1 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  |

Lawn & Garden Equipment Engine Fuel Filter (replaces 2173206, 2173206sm, 394358, 692064, 7014359, 7014359yp, 75213, Bs-394358s) 394358S
#240

Carburetor/fuel supply diagram

Lawn & garden equipment engine fuel filter (replaces 2173206, 2173206sm, 394358, 692064, 7014359, 7014359yp, 75213, bs-394358s)

Part #394358S

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Lawn & Garden Equipment Engine Pre-filter (replaces Bs-793685) 793685
#967

Blower housing/air cleaner diagram

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

Part #793685

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Lawn & Garden Equipment Engine Fuel Line (replaces 1734994sm, 327290ma, 691050, 7012638yp, 7032016yp, 7032956yp, 7041996yp, 7076272yp, 7077351yp, 791866, 798512, 809322, 809499) 791766
#187

Carburetor/fuel supply diagram

Lawn & garden equipment engine fuel line (replaces 1734994sm, 327290ma, 691050, 7012638yp, 7032016yp, 7032956yp, 7041996yp, 7076272yp, 7077351yp, 791866, 798512, 809322, 809499)

Part #791766

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Lawn & Garden Equipment Engine Crankcase Gasket 697110
#12

Crankcase cover/sump/lubrication diagram

Lawn & garden equipment engine crankcase gasket

Part #697110

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Lawn & Garden Equipment Engine Camshaft 793880
#46

Crankshaft diagram

Lawn & garden equipment engine camshaft

Part #793880

Replaced by #84005207

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Manufacturer substitution
This part replaces 793880. Substitute parts can look different from the original.
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$83.28
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Lawn & Garden Equipment Engine Cylinder Head Gasket (replaces 699168) 794114
#7

Cylinder head diagram

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

Crankcase cover/sump/lubrication diagram

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

Part #795387

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Lawn & Garden Equipment Engine Gasket Set (replaces 690190) 794152
#1095

Cylinder head diagram

Lawn & garden equipment engine gasket set (replaces 690190)

Part #794152

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Lawn & Garden Equipment Engine Flywheel 796084
#1005

Flywheel/ignition/starter diagram

Lawn & garden equipment engine flywheel

Part #796084

Replaced by #596832

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Manufacturer substitution
This part replaces 796084. Substitute parts can look different from the original.
$49.06
11% OFF Phone Price : $55.06
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Lawn & Garden Equipment Engine Fuel Shut-off Solenoid 846639
#947

Carburetor/fuel supply diagram

Lawn & garden equipment engine fuel shut-off solenoid

Part #846639

$114.02
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Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to rebuild a lawn mower carburetor

How to rebuild a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Rebuild the carburetor if it's clogged or leaks.…

Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower recoil starter on an OHV engine

How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope.…

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower wheel

How to replace a lawn mower wheel

Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix.…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your lawn & garden engines

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

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Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

What are the main components of a lawn mower?

What are the main components of a lawn mower?

Learn about the main parts of a lawn mower and when to replace parts.…