Briggs & Stratton
Lawn & Garden Engine

Model # 407777-0121-E5 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 407777-0121-E5 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 192 parts  |

Oil Filter 499486

#445

All parts diagram

Oil filter

Part #499486

Replaced by #499486S

?
Manufacturer substitution
This part replaces 499486. Substitute parts can look different from the original.
BEST SELLER
$20.48
23% OFF Phone Price : $26.48
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
$30.26
17% OFF Phone Price : $36.26
In Stock
Lawn & Garden Equipment Engine Spark Plug (replaces Bs-691043) 691043

#337

All parts diagram

Lawn & garden equipment engine spark plug (replaces bs-691043)

Part #691043

BEST SELLER

Get free shipping with Automatic Reorder

$7.27
12% OFF Phone Price : $8.27
In Stock
Starter Gear 693058

#783

All parts diagram

Starter gear

Part #693058

Replaced by #695708

?
Manufacturer substitution
This part replaces 693058. Substitute parts can look different from the original.
BEST SELLER
$8.20
11% OFF Phone Price : $9.20
In Stock
Starter Motor 691262

#309

All parts diagram

Starter motor

Part #691262

Replaced by #795121

?
Manufacturer substitution
This part replaces 691262. Substitute parts can look different from the original.
BEST SELLER
$165.53
7% OFF Phone Price : $177.53
In Stock
Lawn & Garden Equipment Engine Rocker Arm Cover Gasket (replaces 273486) 690971

#1022

All parts diagram

Lawn & garden equipment engine rocker arm cover gasket (replaces 273486)

Part #690971

BEST SELLER
$9.02
10% OFF Phone Price : $10.02
In Stock
Lawn & Garden Equipment Engine Voltage Regulator 691185

#501

All parts diagram

Lawn & garden equipment engine voltage regulator

Part #691185

Replaced by #845907

?
Manufacturer substitution
This part replaces 691185. Substitute parts can look different from the original.
$67.66
8% OFF Phone Price : $73.66
In Stock
Gasket Crank 690945

#12

All parts diagram

Gasket crank

Part #690945

Replaced by #594195

?
Manufacturer substitution
This part replaces 690945. Substitute parts can look different from the original.
$56.79
10% OFF Phone Price : $62.79
In Stock
Cylinder Head 499587

#5

All parts diagram

Cylinder head

Part #499587

Replaced by #84001918

?
Manufacturer substitution
This part replaces 499587. Substitute parts can look different from the original.
$219.50
5% OFF Phone Price : $231.50
In Stock
Lawn & Garden Equipment Engine Governed Idle Spring 691019

#211

All parts diagram

Lawn & garden equipment engine governed idle spring

Part #691019

This item is not returnable
$8.09
11% OFF Phone Price : $9.09
In Stock

Repair guides for bottom-mount refrigerators

How to replace a door gasket in a French-door refrigerator

How to replace a door gasket in a French-door refrigerator

The door gasket, often called a door seal, seals the gap around the door to keep the cold air in and the warm air out. R…

Repair difficulty
Time required
 15 minutes or less
How to replace a refrigerator water valve

How to replace a refrigerator water valve

Replace the water valve that feeds water to the ice maker and water dispenser if it no longer controls the flow of water…

Repair difficulty
Time required
 15 minutes or less
How to replace a refrigerator defrost control assembly

How to replace a refrigerator defrost control assembly

Follow these steps to replace the defrost control assembly if your Kenmore or LG French door refrigerator displays an er…

Repair difficulty
Time required
 120 minutes or less

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

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.…

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.…