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
Kohler
Lawn & Garden Engine

Model # KS540-3012 Official Kohler engine

Here are the diagrams and repair parts for Official Kohler KS540-3012 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 142 parts  |
Lawn & Garden Equipment Engine Oil, Sae 30, 1-qt (replaces 40048) 25-357-03-S
#NI21

Sealant, thread lock & lubricant diagram

Lawn & garden equipment engine oil, sae 30, 1-qt (replaces 40048)

Part #25-357-03-S

BEST SELLER
$11.14 | 
20% OFF MSRP : $14.00
In Stock
Lawn & Garden Equipment Engine Oil, Sae 10w-30, 1-qt 25-357-06-S
#NI20

Sealant, thread lock & lubricant diagram

Lawn & garden equipment engine oil, sae 10w-30, 1-qt

Part #25-357-06-S

Replaced by #25-357-65-S

?
Manufacturer substitution
This part replaces 25-357-06-S. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$11.24 | 
20% OFF MSRP : $14.00
In Stock
Filter 12-050-01-S
#12

Lubrication diagram

Filter

Part #12-050-01-S

Replaced by #12-050-01-S1

?
Manufacturer substitution
This part replaces 12-050-01-S. Substitute parts can look different from the original.
BEST SELLER
$13.54 | 
21% OFF MSRP : $17.09
In Stock
Lawn & Garden Equipment Engine Fuel Filter (replaces 25-050-08-s) 25-050-22-S
#11

Fuel system diagram

Lawn & garden equipment engine fuel filter (replaces 25-050-08-s)

Part #25-050-22-S

BEST SELLER
$9.14 | 
10% OFF Phone Price : $10.14
In Stock
Lawn & Garden Equipment Engine Spark Plug (replaces 14-132-06-s, 490-250-k016, Kh-14-132-11-s) 14-132-11-S
#15

Ignition diagram

Lawn & garden equipment engine spark plug (replaces 14-132-06-s, 490-250-k016, kh-14-132-11-s)

Part #14-132-11-S

$10.20 | 
16% OFF Phone Price : $12.20
In Stock
Fuel Hose 25-111-34-S
#9

Fuel system diagram

Fuel hose

Part #25-111-34-S

Replaced by #25-111-81-S

?
Manufacturer substitution
This part replaces 25-111-34-S. Substitute parts can look different from the original.
$21.91 | 
19% OFF Phone Price : $26.91
In Stock
Lawn & Garden Equipment Engine Throttle Linkage Bushing (replaces 25-158-11, Kh-25-158-11) 25-158-11-S
#17

Engine controls diagram

Lawn & garden equipment engine throttle linkage bushing (replaces 25-158-11, kh-25-158-11)

Part #25-158-11-S

This item is not returnable
$7.20 | 
12% OFF Phone Price : $8.20
In Stock
Lawn & Garden Equipment Engine Electric Starter (replaces 20-098-10-s, Kh-20-098-11-s) 20-098-11-S
#1

Starter diagram

Lawn & garden equipment engine electric starter (replaces 20-098-10-s, kh-20-098-11-s)

Part #20-098-11-S

$136.39 | 
7% OFF Phone Price : $146.39
In Stock
Lawn & Garden Equipment Woodruff Key (replaces Kh-x-42-15, X4215, X-42-15) X-42-15-S
#3

Crankshaft diagram

Lawn & garden equipment woodruff key (replaces kh-x-42-15, x4215, x-42-15)

Part #X-42-15-S

This item is not returnable
$3.69 | 
21% OFF MSRP : $4.70
In Stock
Lawn & Garden Equipment Engine Bushing 25-158-08-S
#16

Engine controls diagram

Lawn & garden equipment engine bushing

Part #25-158-08-S

This item is not returnable
$7.03 | 
12% OFF Phone Price : $8.03
In Stock

RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES

Repair guides for front-engine lawn tractors

How to replace a blade clutch cable on a riding lawn mower

How to replace a blade clutch cable on a riding lawn mower

If the blades don't spin on your riding mower when you shift the lever, the blade clutch cable could be broken. Here’s h…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace the brake interlock switch on a riding lawn mower

How to replace the brake interlock switch on a riding lawn mower

If the engine won’t start even though the brake is on, the brake interlock switch could be at fault. Here’s how to repla…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a riding lawn mower blade drive belt

How to replace a riding lawn mower blade drive belt

Replace the blade drive belt if it's broken or won't spin the cutting blades because of wear.…

Read more
Repair difficulty
Time required
 45 minutes or less

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

View all
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
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.…

Read more

Parts & More

Lawn Sweeper
Lawn Sweeper Parts