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.

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Model diagram and schematic

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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
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
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
Guide 230007-S
#6

Crankcase - group 7 diagram

Guide

Part #230007-S

In Stock
Shaft 230540-S
#26

Governor - group 17 diagram

Shaft

Part #230540-S

In Stock
Shaft 230125-S
#2

Crankcase - group 7 diagram

Shaft

Part #230125-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
Clamp X-426-9
#2

Fuel pump - group 14 diagram

Clamp

Part #X-426-9

Replaced by #25-237-31-S

?
Manufacturer substitution
This part replaces X-426-9. Substitute parts can look different from the original.
This item is not returnable
$7.29
12% OFF Phone Price : $8.29
In Stock
Seal 230046
#5

Breather & vent - group 3 diagram

Seal

Part #230046

Replaced by #230046-S

?
Manufacturer substitution
This part replaces 230046. Substitute parts can look different from the original.
This item is not returnable
In Stock

Symptoms for window air conditioners

Choose a symptom to see related window air conditioner repairs.

Main causes: clogged condensate drain, air conditioner not leveled properly, leaky window air seals ...

Main causes: bad compressor, lack of refrigerant, bad compressor start relay, electronic control board failure...

Main causes: turning the air conditioner off and the back on too quickly, dirty or restricted condenser coil, compressor...

Main causes: dirty air filter, air conditioner is too small for the room, temperature set too cold, control failure...

Main causes: clogged drain hole, air conditioner not leveled properly...

Main causes: lack of electrical power, bad electronic control board, wiring failure, bad temperature sensor...

Repair guides for window air conditioners

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

How to replace a window air conditioner ambient thermistor

How to replace a window air conditioner ambient thermistor

If your window air conditioner isn’t cooling properly, it might need a new ambient thermistor. You can replace it yourse...

Repair difficulty
Time required
45 minutes or less
How to replace a window air conditioner user interface control board

How to replace a window air conditioner user interface control board

Control buttons or lights on the user interface control board can stop working. This repair guide shows how to replace i...

Repair difficulty
Time required
30 minutes or less
How to replace a window air conditioner electronic control board

How to replace a window air conditioner electronic control board

The electronic control board is the brain of your window air conditioner. Here’s how to replace it....

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 window air conditioner.

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Top questions about Sears and Sears PartsDirect

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What are the main components of a lawn mower?

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