Part Location Diagram of 5258402-S Kohler Module
See part O-9 in the diagram
( Grid squares measure 1x1 inch )

Module 5258402-S

Manufactured by:
Kohler
ERP Number:
ERP9966368
Part Number:
5258402-S
Original Equipment Manufacturer ?
  Works with your model  MV18-58523!
$312.55
In Stock
Delivers in 3-5 Business Days!

A Bit Difficult 

1- 2 hours 

(2 rated repairs) ?
  Works with your model   MV18-58523!

Product Description

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This is an OEM part sourced directly from the manufacturer. The module is commonly found in Kohler engines. This is an electronic part with a high-quality plastic and metal casing, and is used in the engine to send the ignition spark to the spark plug. You will need a wrench to replace this part. This item is sold individually.

Troubleshooting

This part works with the following brands:
  • Kohler
  • Exmark
This part works with the following products:
  • Engine
  • Lawn Mower
Part# 5258402-S replaces these:
52 584 02-S,

Questions & Answers

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Customer Repair Instructions

All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.

A Bit Difficult 

1- 2 hours 

(2 rated repairs) ?
  • 1
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Sorry, we couldn't find any existing installation instruction that matched.

the spark plug wire was bad and running on one cylinder

DENNIS from SELMA, North Carolina

1 person found this instruction helpful.
Difficulty Level:
Difficult
Total Repair Time:
More than 2 hours
Tools:
Screw drivers, Socket set, Wrench set
Had to remove the hood and front grill and support
Removed the engine from the front
Had to remove all the engine cowling to get to the coil
Removed the coil and replaced it with the new one and set the clearance to .010
Removed the old starter and replaced it with the new one.
I pressured washed it before pu tting it back together and painted it
Then reversed the process to put all back together.
Once done it cranked and ran great !!
MY 1982 Cub Cadet is back on the job again like new thinks to \"Replacementparts.com\" :)
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Faulty module.

Joseph from Stone Mountain, Georgia

1 person found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Nutdriver
Parts Used:
5258402-S
1. Disconnect the battery.
2. Remove the old module and pull the boots off the spark plugs.
3. Remove the new module from the box.
4. Place the module and its place on the motor and bolted down.
5. Push the spark plug boots home to the spark plugs so that you can fill the ring go on to the spark plug.
6. Clea r all tools and other materials off motor and lawnmower.
7. Reconnect the battery.
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  • 1

Model Cross Reference

This part works with the following models:
ERP Number: ERP9966368
Manufacturer Part Number: 5258402-S
Brand Model Number Description
Exmark EX-18KO Lawn Mower - Exmark Lawn Mower Model EX-18KO/SERIAL: 70000-79999 (EX18KO/SERIAL:7000079999, EX 18KO/SERIAL: 70000 79999) Parts
Exmark EX-20KO Lawn Mower - Exmark Lawn Mower Model EX-20KO/SERIAL: 70000-79999 (EX20KO/SERIAL:7000079999, EX 20KO/SERIAL: 70000 79999) Parts
Exmark EXS-18KO Lawn Mower - Exmark Lawn Mower Model EXS-18KO/SERIAL: 70000-79999 (EXS18KO/SERIAL:7000079999, EXS 18KO/SERIAL: 70000 79999) Parts
Exmark EXS-20KO Lawn Mower - Exmark Lawn Mower Model EXS-20KO/SERIAL: 70000-79999 (EXS20KO/SERIAL:7000079999, EXS 20KO/SERIAL: 70000 79999) Parts
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