Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Briggs & Stratton
Lawn & Garden Engine

Model # 33R877-0012-G1 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 33R877-0012-G1 engine, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Error Codes

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 176 parts  |
Oil Filter 795890

#1027

All parts diagram

Oil filter

Part #795890

Replaced by #696854

?
Manufacturer substitution
This part replaces 795890. Substitute parts can look different from the original.
BEST SELLER
$16.44 | 
11% OFF Phone Price : $18.44
In Stock
Lawn & Garden Equipment Engine Air Filter (replaces Bs-793569) 793569

#445

All parts diagram

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

Part #793569

BEST SELLER

Get free shipping with Automatic Reorder

$26.48 | 
16% OFF Phone Price : $31.48
In Stock
Lawn & Garden Equipment Engine Inline Fuel Filter 691035

#240

All parts diagram

Lawn & garden equipment engine inline fuel filter

Part #691035

Replaced by #84001895

?
Manufacturer substitution
This part replaces 691035. Substitute parts can look different from the original.
BEST SELLER
$9.59 | 
9% OFF Phone Price : $10.59
In Stock
Lawn & Garden Equipment Engine Pre-filter (replaces Bs-793685) 793685

#967

All parts diagram

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

Part #793685

BEST SELLER
This item is not returnable
$6.34 | 
14% OFF Phone Price : $7.34
In Stock
Lawn & Garden Equipment Engine Exhaust Gasket (replaces 272293, 91309, Bs-692236) 692236

#883

All parts diagram

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

Part #692236

BEST SELLER
$6.96 | 
13% OFF Phone Price : $7.96
In Stock
Lawn & Garden Equipment Engine Carburetor 591736

#125

All parts diagram

Lawn & garden equipment engine carburetor

Part #591736

Replaced by #594601

?
Manufacturer substitution
This part replaces 591736. Substitute parts can look different from the original.
BEST SELLER
$160.96 | 
6% OFF Phone Price : $170.96
In Stock
Lawn & Garden Equipment Engine Fuel Line (replaces 1734994sm, 327290ma, 691050, 7012638yp, 7032016yp, 7032956yp, 7041996yp, 7076272yp, 7077351yp, 791866, 798512, 809322, 809499) 791766

#187A

All parts diagram

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

Part #791766

BEST SELLER
$9.31 | 
10% OFF Phone Price : $10.31
In Stock
Lawn & Garden Equipment Engine Fuel Pump Assembly 808656

#387

All parts diagram

Lawn & garden equipment engine fuel pump assembly

Part #808656

Replaced by #597338

?
Manufacturer substitution
This part replaces 808656. Substitute parts can look different from the original.
BEST SELLER
$32.26 | 
13% OFF Phone Price : $37.26
In Stock
Lawn & Garden Equipment Engine Camshaft 793880

#46

All parts diagram

Lawn & garden equipment engine camshaft

Part #793880

Replaced by #84005207

?
Manufacturer substitution
This part replaces 793880. Substitute parts can look different from the original.
BEST SELLER
$92.09 | 
5% OFF Phone Price : $97.09
In Stock
Lawn & Garden Equipment Engine Cylinder Head Gasket (replaces 699168) 794114

#7

All parts diagram

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

Part #794114

BEST SELLER
$25.24 | 
17% OFF Phone Price : $30.24
In Stock

RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES

Symptoms for window air conditioners

Choose a symptom to see related window air conditioner repairs.

View all

Why your window AC compressor is not turning on?

Main causes: bad compressor, lack of refrigerant, bad compressor start relay, electronic control board failure…

Read more

Why won't water draining from my window air conditioner?

Main causes: clogged drain hole, air conditioner not leveled properly…

Read more

Why is water leaking into the house from my window air conditioner?

Main causes: clogged condensate drain, air conditioner not leveled properly, leaky window air seals …

Read more

Why are my window air conditioner's evaporator fins iced up?

Main causes: dirty air filter, air conditioner is too small for the room, temperature set too cold, control failure…

Read more

Why does my window air conditioner's compressor hum but not work?

Main causes: turning the air conditioner off and the back on too quickly, dirty or restricted condenser coil, compressor…

Read more

Why won't my window air conditioner start?

Main causes: lack of electrical power, bad electronic control board, wiring failure, bad temperature sensor…

Read more

Repair guides for window air conditioners

These step-by-step repair guides will help you safely fix what’s broken on your window air conditioner.

View all
How to replace a window air conditioner ambient thermistor

How to replace a window air conditioner ambient thermistor

If your window air conditioner isn’t cooling properly, it might need a new ambient thermistor. You can replace it yourse…

Read more
Repair difficulty
Time required
 45 minutes or less
How to replace a window air conditioner condenser fan

How to replace a window air conditioner condenser fan

If the condenser fan blade is broken or the condenser fan motor won’t run, you can replace the broken parts yourself by…

Read more
Repair difficulty
Time required
 90 minutes or less
How to replace a window air conditioner electronic control board

How to replace a window air conditioner electronic control board

The electronic control board is the brain of your window air conditioner. Here’s how to replace it.…

Read more
Repair difficulty
Time required
 45 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 window air conditioner.

View all
Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

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

Read more
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.…

Read more

Parts & More

Front-Engine Lawn Tractor
Shop Model #BB18542LT Poulan tractor