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 # 40U877-0003-G1 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 40U877-0003-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 184 parts  |
Lawn & Garden Equipment Engine Fuel Filter (replaces 695666) 845125
#240

Carburetor/fuel pump/fuel hose diagram

Lawn & garden equipment engine fuel filter (replaces 695666)

Part #845125

BEST SELLER
$9.27 | 
10% OFF Phone Price : $10.27
In Stock
Lawn & Garden Equipment Engine Fuel Line (replaces 1734994sm, 327290ma, 691050, 7012638yp, 7032016yp, 7032956yp, 7041996yp, 7076272yp, 7077351yp, 791866, 798512, 809322, 809499) 791766
#187

Carburetor/fuel pump/fuel hose 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
$9.59 | 
9% OFF Phone Price : $10.59
In Stock
Lawn & Garden Equipment Engine Oil Seal (replaces 791892, Bs-795387) 795387
Lawn & garden equipment engine oil seal (replaces 791892, bs-795387)

Part #795387

BEST SELLER
$9.02 | 
10% OFF Phone Price : $10.02
In Stock
Lawn & Garden Equipment Engine Intake Valve Push Rod (replaces 498746) 690982
#1026A

Cylinder head/intake manifold diagram

Lawn & garden equipment engine intake valve push rod (replaces 498746)

Part #690982

BEST SELLER
$9.91 | 
9% OFF Phone Price : $10.91
In Stock
Lawn & Garden Equipment Engine Fuel Pump Vacuum Hose 593998
#918A

Cylinder head/intake manifold diagram

Lawn & garden equipment engine fuel pump vacuum hose

Part #593998

Replaced by #596163

?
Manufacturer substitution
This part replaces 593998. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$11.78 | 
15% OFF Phone Price : $13.78
In Stock
Lawn & Garden Equipment Engine Cylinder Head 796231
#5

Cylinder head/intake manifold diagram

Lawn & garden equipment engine cylinder head

Part #796231

Replaced by #84001918

?
Manufacturer substitution
This part replaces 796231. Substitute parts can look different from the original.
$219.50 | 
5% OFF Phone Price : $231.50
In Stock
Lawn & Garden Equipment Engine Hex Screw (replaces 690960, 692126, 697551, 94744, Bs-691108) 691108
Lawn & garden equipment engine hex screw (replaces 690960, 692126, 697551, 94744, bs-691108)

Part #691108

This item is not returnable
$5.09 | 
16% OFF Phone Price : $6.09
In Stock
Lawn & Garden Equipment Engine Governor Gear (replaces 698231) 793338
#219

Sump/dipstick/oil fill diagram

Lawn & garden equipment engine governor gear (replaces 698231)

Part #793338

$31.42 | 
16% OFF Phone Price : $37.42
In Stock
Briggs And Stratton Hose-vacuum 799160
Briggs and stratton hose-vacuum

Part #799160

This item is not returnable
$14.19 | 
12% OFF Phone Price : $16.19
In Stock
Lawn & Garden Equipment Engine Cylinder Head Assembly, #2 796232
#5A

Cylinder head/intake manifold diagram

Lawn & garden equipment engine cylinder head assembly, #2

Part #796232

Replaced by #84001919

?
Manufacturer substitution
This part replaces 796232. Substitute parts can look different from the original.
$199.20 | 
6% OFF Phone Price : $211.20
In Stock

RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES

Symptoms for gas walk-behind mowers

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

View all

Why does my lawn mower run rough?

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

Read more

Why does my lawn mower cut unevenly?

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

Read more

Why does my lawn mower vibrate a lot?

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

Read more

Why won't my lawn mower start?

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

Read more

Why does my lawn mower stall?

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

Read more

Why won't my lawn mower move?

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

Read more

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.

View all
How to replace a lawn mower spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower blade

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

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 walk-behind lawn mower.

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