








⚡ Keep your Kohler engine charged and ready—because downtime is not an option!
The NIMTEK Voltage Regulator Rectifier (model 41 403 10-S) is engineered to deliver a stable 14.5V output, protecting Kohler 8-25 HP engines and their electrical systems from voltage spikes. Compatible with multiple Kohler part numbers and series, this compact, lightweight regulator ensures smooth, reliable engine performance by preventing battery and wiring damage.




| Manufacturer | NIMTEK |
| Brand | NIMTEK |
| Model | 41 403 10-S regulator rectifier |
| Item Weight | 1.6 ounces |
| Package Dimensions | 3.74 x 2.6 x 2.05 inches |
| Item model number | 4332693888 |
| Is Discontinued By Manufacturer | No |
| Manufacturer Part Number | 4332693888 |
E**C
Cub Cadet Kohler Command 16hp
As posted I installed this on a Kohler Command 16hp and works great. My old one was charging/cooking the battery at 18v, the original looked fine but was junk internally so don't go on just looks alone, the new one brought the charging to a solid 14.5v at full throttle electric clutch and lights going.
T**D
Cub Cadet good replacement
The replacement for my old cub cadet model 2145 is no longer available.This one fixed the problem with only a minor enlarging of the mounting hole. Connections were identical.
H**Y
Good
GoodEnough
M**N
Cost effective replacement
Great cost effective replacement for Kohler K series
Z**K
Works great, 15.4v
The local part store, central equipment, tried to charge 94$ for this exact same part! Nothing extra. So for almost 1/6 of the price this guy works exactly the same. Regulates and rectifies the voltage to above 15v like it should.
P**.
A+
Works great!
E**E
Single and twin cylinder air cooled engines
Used on a Yanmar L series diesel that I installed on a log splitter.The engines wiring was all kinds of messed up, so i started fresh with one of these, an inline fuse, and a cheap replacement lawn mower key switch.Battery charges while running and is regulated at about 14.7 volts, perfect.Ive got a little over 25hrs of runtime over almost a year and still works perfectly.
C**R
glad I ordered it with the stator just in case, turns out they were both needed
My Cub Cadet wasn't charging for the last few years. I finally tore into it and found the stator wasn't putting out the needed 28 volts. I ordered this rectifier just in case I needed it. The new stator put out 28 volts but the rectifier was putting out nothing. So I plugged in this new one and had 14 volts to charge the battery. Now my battery is well charged and with the new starter I also got on amazon, the mower starts like new.
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