Kohler Command Pro 20 Amp/30 Amp Regulator Rectifier 25 403 39-S
Kohler Command Pro 20 Amp/30 Amp Regulator Rectifier 25 403 39-S

Kohler Command Pro 20 Amp/30 Amp Regulator Rectifier 25 403 39-S

Regular price$148.69
  • Typical dispatch within 1-3 days
  • In stock, ready to ship
  • Inventory on the way

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 Replaces OEM: 25 403 39, 2540332, 25-403-29-S, 25-403-32-S

Genuine replacement rectifier voltage regulator diode pack with built-in overload protection. This ensures proper fit and performance to maintain the life of your Kohler engine.

Standard Pack: 1

  • Suits Kohler Carbureted or EFI Aegis LH 640, 685, 690, 775 and select Command EFI engines  models.
  • Suits Kohler Command PRO Single 11HP to 15HP, single cylinder OHV engines including CH11, CH13, CH14 and CH15  models.
  • Suits Kohler Command PRO Twin 18HP to 37HP, V-twin cylinder OHV engines including CH18, CH20, CH22, CH23, CH25, CH26, CH620, CH640, CH680, CH730, CH735, CH740, CH742, CH750, CH752, CH940, CH980, CH1000, CV640, CV680, CV730, CV740, CV742 and CV750  models.
  • Suits Kohler Command PRO EFI 19HP to 37HP, V-twin cylinder OHV electronic fuel injection engines including ECH630, ECH650, ECH730, ECH740, ECH749, ECH940, ECH980, ECV650, ECV680, ECV730, ECV740, ECV749, ECV850, ECV860, ECV870, ECV880, ECV940, and ECV980  models.
  • Suits Kohler Command PRO EFI Propane 23HP to 29HP, V-twin cylinder OHV electronic fuel injection engines including PCH680, PCH740, PCV680, PCV740 and PCV860 models.
  • Amp: 20-30
  • Designed to exact OEM standards, manufactured and tested to help deliver optimum performance in Honda engines.


We reserve the right to change specifications, features and pricing without notice. Products may vary from images shown.* Power levels rated by engine manufacturer.† See operator's manual or dealer for complete warranty details. Refer to engine operator's manual for engine warranty.


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Ensuring your satisfaction is our primary goal and utmost priority. Upon receiving your delivery, please inspect it promptly, and notify us immediately if any issues arise.

In the event of receiving a damaged item, it is crucial to inform us within 48 hours of receipt. If you decide to return an item due to a change of mind, you have a 30-days for a refund, excluding postage and handling. Initial responsibility for shipping and handling costs on returns lies with the customer. PowerMowers will reimburse standard postage costs if the item is covered by warranty or found to be not as described. For a refund to be processed, the returned products must be in their original, unused condition and packaging. Kits/sets must be returned with all components included. Before making any alterations, cuts, or final fitments, purchasers are responsible for ensuring the correctness of the purchased item.

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