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Kohler
Lawn & Garden Engine

Model # MV20S-57514 Official Kohler 20-hp engine

Here are the diagrams and repair parts for Official Kohler MV20S-57514 20-hp engine, as well as links to manuals and error code tables, if available.

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Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 217 parts  |
Plug X-75-10
#4

Oil pan - group 21 diagram

Plug

Part #X-75-10

Replaced by #25-139-57-S

?
Manufacturer substitution
This part replaces X-75-10. Substitute parts can look different from the original.
This item is not returnable
$3.74 | 
21% OFF Phone Price : $4.74
In Stock
Bushing 25-158-08
#19

Governor - group 17 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
Gasket 25-041-03
#31

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
Kit 25-757-09
#29

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.
$35.62
In Stock
Seal 52-032-10
Seal

Part #52-032-10

Replaced by #52-032-10-S

?
Manufacturer substitution
This part replaces 52-032-10. Substitute parts can look different from the original.
This item is not returnable
$31.47 | 
16% OFF Phone Price : $37.47
In Stock
Gasket 271030
#12

Carburetor - group 5 diagram

Gasket

Part #271030

Replaced by #271030-S

?
Manufacturer substitution
This part replaces 271030. Substitute parts can look different from the original.
This item is not returnable
$9.34
In Stock
Lawn & Garden Equipment Engine Governor Gear Assembly A-235743-S
#4

Governor - group 17 diagram

Lawn & garden equipment engine governor gear assembly

Part #A-235743-S

$80.60
In Stock
Ball 25-194-01
#26

Carburetor - group 5 diagram

Ball

Part #25-194-01

Replaced by #25-194-01-S

?
Manufacturer substitution
This part replaces 25-194-01. Substitute parts can look different from the original.
$22.91
In Stock
Gasket 52-041-14
#5

Exhaust - group 12 diagram

Gasket

Part #52-041-14

Replaced by #52-041-14-S

?
Manufacturer substitution
This part replaces 52-041-14. Substitute parts can look different from the original.
This item is not returnable
$14.26
In Stock
Gasket 277069
Gasket

Part #277069

Replaced by #25-041-06-S

?
Manufacturer substitution
This part replaces 277069. Substitute parts can look different from the original.
This item is not returnable
$5.71
In Stock

Symptoms for water softeners

Choose a symptom to see related water softener repairs.

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Why does my water softener overflow?

Main causes: faulty brine valve assembly, bad rotor valve…

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Why is my softened water salty?

Main causes: clogged drain hose, faulty rotor valve, leaky rotor valve seals…

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Why isn't my water softener using salt?

Main causes: salt bridge inside the salt tank, bad timer, valve motor failure, faulty rotor valve, clogged venturi…

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Why does my water softener leak water?

Main causes: loose water line connections, cracked water-carrying components, bad rotor valve seals…

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Why is there no display on my water softener?

Main causes: lack of electrical power, bad power transformer, faulty timer…

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Why isn't my water softener softening my water?

Main causes: empty salt tank, salt bridge, depleted resin, clogged or damaged venturi, broken rotor position switch, fai…

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Why are water softener resin beads in my water?

Main causes: broken resin tank screen, bad resin tank seals, cracked upper distributor in resin tank…

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Why isn't my water softener meter working?

Main causes: broken water flow meter, faulty timer, water flow to softener is bypassed…

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Repair guides for water softeners

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

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How to replace a water softener venturi

How to replace a water softener venturi

The venturi valve in your water softener draws brine water from the salt tank to the resin tank for regeneration. Follow…

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Repair difficulty
Time required
 15 minutes or less
How to replace a water softener rotor position switch

How to replace a water softener rotor position switch

The rotor position switch detects the position of the valve rotor. If the rotor position switch fails, follow these step…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a water softener timer

How to replace a water softener timer

The timer is the control board you use to program the water softener. If the timer isn’t accepting commands when you pus…

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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 water softener.

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Top questions about Sears and Sears PartsDirect

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What are the main components of a lawn mower?

Learn about the main parts of a lawn mower and when to replace parts.…

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