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
Generac
Generator

Model # 9158-0 Official Generac generator

Here are the diagrams and repair parts for Official Generac 9158-0 generator, 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 49 parts  |
Brush Assembly 66386
#25

Generator 9158-0 diagram

Brush assembly

Part #66386

Replaced by #66386GS

?
Manufacturer substitution
This part replaces 66386. Substitute parts can look different from the original.
This item is not returnable
$32.82 | 
15% OFF Phone Price : $38.82
In Stock
Filter 68740
#3

Generator 9158-0 diagram

Filter

Part #68740

Replaced by #68740GS

?
Manufacturer substitution
This part replaces 68740. Substitute parts can look different from the original.
$21.77
In Stock
Flat Washer 51713
#35

Generator 9158-0 diagram

Flat washer

Part #51713

Replaced by #51713GS

?
Manufacturer substitution
This part replaces 51713. Substitute parts can look different from the original.
This item is not returnable
$5.23
In Stock
Nut 52858
#27

Generator 9158-0 diagram

Nut

Part #52858

Replaced by #52858GS

?
Manufacturer substitution
This part replaces 52858. Substitute parts can look different from the original.
This item is not returnable
$6.69
In Stock
Bearing 65791
#18

Generator 9158-0 diagram

Bearing

Part #65791

The manufacturer no longer makes this part, and there's no substitute part

Nut 51716
#32

Generator 9158-0 diagram

Nut

Part #51716

Replaced by #51716GS

?
Manufacturer substitution
This part replaces 51716. Substitute parts can look different from the original.
This item is not returnable
$4.57
In Stock
Screw 74908
#12

Generator 9158-0 diagram

Screw

Part #74908

Replaced by #74908GS

?
Manufacturer substitution
This part replaces 74908. Substitute parts can look different from the original.
This item is not returnable
$5.34
In Stock
Mount 70642
#10

Generator 9158-0 diagram

Mount

Part #70642

Replaced by #70642GS

?
Manufacturer substitution
This part replaces 70642. Substitute parts can look different from the original.
$44.29
In Stock
Nut 52856
#9

Cradle assembly diagram

Nut

Part #52856

Replaced by #52856GS

?
Manufacturer substitution
This part replaces 52856. Substitute parts can look different from the original.
This item is not returnable
$5.97
In Stock
Screw 66849
#24

Generator 9158-0 diagram

Screw

Part #66849

Replaced by #66849GS

?
Manufacturer substitution
This part replaces 66849. Substitute parts can look different from the original.
$8.69
In Stock

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

Articles and videos for gas walk-behind mowers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

View all
How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

Read more
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
Lawn mower won't start troubleshooting video: spark plug and ignition problems video

Lawn mower won't start troubleshooting video: spark plug and ignition problems video

Find out how to test and fix problems with the spark plug, stop wire, ignition coil and flywheel.…

Read more

Parts & More