Briggs & Stratton
Lawn & Garden Engine

Model # 445677-1578-G5 Official Briggs & Stratton engine

Here are the diagrams and repair parts for Official Briggs & Stratton 445677-1578-G5 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 193 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
$18.47
10% OFF Phone Price : $20.47
In Stock
Lawn & Garden Equipment Engine Air Filter (replaces Bs-792105) 792105

#445

All parts diagram

Lawn & garden equipment engine air filter (replaces bs-792105)

Part #792105

BEST SELLER

Get free shipping with Automatic Reorder

$26.47
18% OFF Phone Price : $32.47
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 Starter Motor (replaces 392744, 392749, 494325) 497595

#309

All parts diagram

Lawn & garden equipment engine starter motor (replaces 392744, 392749, 494325)

Part #497595

BEST SELLER
$105.80
10% OFF Phone Price : $117.80
In Stock
Lawn & Garden Equipment Engine Starter Pinion Gear (replaces 693058, 693059, 75264) 695708

#783

All parts diagram

Lawn & garden equipment engine starter pinion gear (replaces 693058, 693059, 75264)

Part #695708

BEST SELLER
$8.20
11% OFF Phone Price : $9.20
In Stock
Lawn & Garden Equipment Engine Carburetor (replaces Bs-796227) 796227

#125

All parts diagram

Lawn & garden equipment engine carburetor (replaces bs-796227)

Part #796227

BEST SELLER
$214.99
5% OFF Phone Price : $226.99
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 Alternator 696459

#474

All parts diagram

Lawn & garden equipment engine alternator

Part #696459

Replaced by #592831

?
Manufacturer substitution
This part replaces 696459. Substitute parts can look different from the original.
BEST SELLER
$101.70
11% OFF Phone Price : $113.70
In Stock
Lawn & Garden Equipment Engine Crankcase Gasket 697227

#12

All parts diagram

Lawn & garden equipment engine crankcase gasket

Part #697227

Replaced by #594195

?
Manufacturer substitution
This part replaces 697227. Substitute parts can look different from the original.
$56.79
10% OFF Phone Price : $62.79
In Stock
Lawn & Garden Equipment Engine Cylinder Head 796231

#5

All parts 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

Symptoms for treadmills

Choose a symptom to see related treadmill repairs.

Main causes: no power, bad power cord, tripped or faulty overload switch, bad power switch, wiring failure, bad motor co…

Main causes: rear roller out of alignment, damaged walking belt, bad roller…

Main causes: missing safety key, bad control console, wiring failure, faulty motor control board, bad drive motor…

Main causes: faulty sensors, wiring failure, bad control console…

Main causes: bad control console, wiring failure, bad motor control board…

Main causes: damaged walking belt, improper belt tension, lack of belt lubricant, bad drive motor…

Main causes: damaged walking belt, improper belt tension, bad roller bearing…

Repair guides for treadmills

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

How to replace a treadmill motor controller

How to replace a treadmill motor controller

Your treadmill motor won't run with a defective motor controller. Replace the motor controller if it doesn't operate the…

Repair difficulty
Time required
 15 minutes or less
How to replace a treadmill walking belt

How to replace a treadmill walking belt

A worn walking belt will begin to slow down during use. If your treadmill walking belt is worn out, replace it using the…

Repair difficulty
Time required
 45 minutes or less
How to replace a treadmill drive motor

How to replace a treadmill drive motor

A defective drive motor won't run when activated by the motor controller. Replace the treadmill drive motor if it doesn'…

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 treadmill.

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.…