Kohler
Lawn & Garden Engine

Model # M8ST-301548 Official Kohler 8-hp engine

Here are the diagrams and repair parts for Official Kohler M8ST-301548 8-hp 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 232 parts  |

Bushing 25-158-09
#31

Governor - group 17 diagram

Bushing

Part #25-158-09

Replaced by #25-158-11-S

?
Manufacturer substitution
This part replaces 25-158-09. Substitute parts can look different from the original.
This item is not returnable
$7.20
12% OFF Phone Price : $8.20
In Stock
Bushing 25-158-08
#21A

Carburetor - group 5 diagram

Bushing

Part #25-158-08

Replaced by #25-158-08-S

?
Manufacturer substitution
This part replaces 25-158-08. Substitute parts can look different from the original.
This item is not returnable
$7.03
12% OFF Phone Price : $8.03
In Stock
Clamp 25-237-01
#7

Fuel tank - group 15 diagram

Clamp

Part #25-237-01

Replaced by #25-237-01-S

?
Manufacturer substitution
This part replaces 25-237-01. Substitute parts can look different from the original.
This item is not returnable
In Stock
Kit 25-757-09
#36

Carburetor - group 5 diagram

Kit

Part #25-757-09

Replaced by #25-757-09-S

?
Manufacturer substitution
This part replaces 25-757-09. Substitute parts can look different from the original.
In Stock
Guide 230007-S
#6

Crankcase - group 7 diagram

Guide

Part #230007-S

In Stock
Shaft 230125-S
#2

Crankcase - group 7 diagram

Shaft

Part #230125-S

In Stock
Shaft 230540-S
#26

Governor - group 17 diagram

Shaft

Part #230540-S

In Stock
Lawn & Garden Equipment Engine Governor Gear Assembly A-235743-S
#25

Governor - group 17 diagram

Lawn & garden equipment engine governor gear assembly

Part #A-235743-S

In Stock
Screw 41-086-02
Screw

Part #41-086-02

Replaced by #41-086-02-S

?
Manufacturer substitution
This part replaces 41-086-02. Substitute parts can look different from the original.
In Stock
Gasket 25-041-03
#38

Carburetor - group 5 diagram

Gasket

Part #25-041-03

Replaced by #25-041-03-S

?
Manufacturer substitution
This part replaces 25-041-03. Substitute parts can look different from the original.
This item is not returnable
$9.19
10% OFF Phone Price : $10.19
In Stock

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.…