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Voltage Regulator Rectifier Replacement for 8-25 HP Engines with 15 Amp Alternators Ko-hler 4140309 4140305 41 403 10-S 41 403 09-S 25 403 03-S

4.3 (8) Write Review
Free shipping on orders over $29.99

$9.99

$ 4 .99 $4.99

In Stock
  • Replaces Ko-hler Part Number: 41 403 01, 25 403 03-S, 41 403 05, 25 755 03, 25 755 03-S, 4140305, 41 403 03, 41 403 03-S, 41 403 06, 41 403 06-S, 41 403 08, 41 403 08-S, 41 403 09, 41 403 09-S, 41 403 10, 41 403 10-S, 234279, 4140304
  • Replaces John Deere Part Number: AM102596, AM34738, AM106357, AM102596
  • Compatible with many John Deere & Ko-hler 8-25 HP Engine 15 Amp Alternators: CH20, CH22, CH23, & CH25
  • Fits many different Magnum and Command Series and replaces early style box regulators.
  • Aluminum finned case and ceramic hybrid construction for greater cooling, increase the service life of the rectifier.


Product Description

4140309 Voltage Regulator Rectifier

Type: Ko-hler Voltage Regulator
Output Voltage: DC 12V
Minimum Charging Voltage: 14.5V+/-0.5V
Number of Terminals: 3
Feature: Two-phase
Series Type: Half Wave
Terminal ID: AC, B+, AC
Fitment: For 15 amp permanent magnet charging systems
Replaces These Part Numbers JOHN DE-ERE: AM102596, AM34738, AM106357, AM102596
Replaces These Part Numbers： KOH-LER: 234279, 2575503S, 41-403-08, 41-403-08S, 41-403-10, 41-403-10-S, 4140305, 4140309
Replaces These Part Numbers： J & -N: 230-22032
Replaces These Part Numbers： ARROW-HEAD: AKH6005

Wendy R
2025-09-03 20:18:13
Was initially concerned it wouldn't fit on my Kohler CV740 (27hp), but almost identical.Took less than 5 minutes to change, and charging great. Battery was 12.7 volts in off position, and 14.3 running 👍👍.OEM was $106
bob kaiser
2025-06-27 17:49:37
Installed and voltage was regulated to 14.3 very easy to install and functions perfect
Matt J
2025-05-28 21:23:14
Easy to install, battery started charging with the correct voltage
Dave
2025-05-19 09:47:45
Fixed the issue of not charging
Richard L.
2025-04-30 11:31:51
It was easy to change and the lawn mower is performing amazing!
Customer
2025-03-31 18:00:38
Now the battery is charging.
Dillon marlowe
2025-01-19 16:28:45
Fit was exact price was very affordable unsure if quality is good due to other issues with mower other than this part
DG
2024-12-12 20:59:38
Works like a champ. 13.5 volts.
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