Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Tips to find your model number
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 # 33R877-0033-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.

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.

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 157 parts  |
Briggs & Stratton Lawn And Garden Equipment Engine Oil Filter (replaces 697547, 795890, Bs-696854) 696854
#1027

Crankcase cover/sump/lubrication diagram

Briggs & stratton lawn and garden equipment engine oil filter (replaces 697547, 795890, bs-696854)

Part #696854

BEST SELLER
$18.47 | 
10% OFF Phone Price : $20.47
In Stock
Lawn & Garden Equipment Engine Air Filter (replaces Bs-793569) 793569
#445

Blower housing/air cleaner diagram

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

Part #793569

BEST SELLER

Get free shipping with Automatic Reorder

$26.48 | 
18% OFF Phone Price : $32.48
In Stock
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

BEST SELLER
This item is not returnable
$6.47 | 
13% OFF Phone Price : $7.47
In Stock
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

BEST SELLER
This item is not returnable
$5.98 | 
14% OFF Phone Price : $6.98
In Stock
Briggs & Stratton Lawn & Garden Equipment Engine Starter Motor (replaces 693551, 693699) 593934
#309

Flywheel/ignition/starter diagram

Briggs & stratton lawn & garden equipment engine starter motor (replaces 693551, 693699)

Part #593934

BEST SELLER
$141.49 | 
8% OFF Phone Price : $153.49
In Stock
Lawn & Garden Equipment Engine Carburetor (replaces 591736, 593003, 594599) 594601
#125

Carburetor/fuel supply diagram

Lawn & garden equipment engine carburetor (replaces 591736, 593003, 594599)

Part #594601

BEST SELLER
$142.86 | 
8% OFF Phone Price : $154.86
In Stock
Lawn & Garden Equipment Engine Camshaft 793880
#46

Crankshaft 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
$83.28 | 
7% OFF Phone Price : $89.28
In Stock
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

BEST SELLER
$25.24 | 
19% OFF Phone Price : $31.24
In Stock
Lawn & Garden Equipment Engine Intake Valve Push Rod (replaces 494432) 692003
#1026

Cylinder head diagram

Lawn & garden equipment engine intake valve push rod (replaces 494432)

Part #692003

BEST SELLER
$9.84 | 
9% OFF Phone Price : $10.84
In Stock
Lawn & Garden Equipment Engine Exhaust Valve Push Rod (replaces 495136) 692011
#1026A

Cylinder head diagram

Lawn & garden equipment engine exhaust valve push rod (replaces 495136)

Part #692011

BEST SELLER
This item is not returnable
$13.23 | 
13% OFF Phone Price : $15.23
In Stock

RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES

Repair guides for front-engine lawn tractors

How to replace a ground drive belt on a riding lawn mower

How to replace a ground drive belt on a riding lawn mower

Replace the ground drive belt if it's broken or too worn to spin the transaxle pulley.…

Read more
Repair difficulty
Time required
 45 minutes or less
How to replace a blade clutch cable on a riding lawn mower

How to replace a blade clutch cable on a riding lawn mower

If the blades don't spin on your riding mower when you shift the lever, the blade clutch cable could be broken. Here’s h…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a riding lawn mower blade drive belt

How to replace a riding lawn mower blade drive belt

Replace the blade drive belt if it's broken or won't spin the cutting blades because of wear.…

Read more
Repair difficulty
Time required
 45 minutes or less

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

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