BlueStars Voltage Regulator Rectifier for Kohler 8-25 HP Engines with 15 Amp Alternators - Fits CH18S CH20 CH22 CH23 CH25 - Replaces 41 403 10-S 41 403 09-S 25 403 03-S John Deere AM102596 AM34738

PRECISE FITMENT: Designed for Kohler 8–25 HP engines equipped with 15 Amp charging systems, featuring a straight AC–B+–AC terminal layout to match common wiring harnesses. Compatible with Kohler Command & Magnum Series engines, including models CH11–CH15, CV11–CV15, CH18S, CH20, CH22, CH23, CH25, CV20S, and CV740. Always verify engine model, charging system rating, and terminal position before installation to ensure proper fit and operation.REPLACES PART NUMBERS: Direct replacement for a wide range of Kohler voltage regulator rectifier part numbers, including 41 403 10-S, 41 403 09-S, 25 403 03-S, 41 403 01, 41 403 03, 41 403 04, 41 403 05, 41 403 06, 41 403 06-S, 41 403 08, 41 403 08-S, 25 755 03, 25 755 03-S, 21066-7017, and 234279. Also replaces John Deere AM34738, AM106357, and AM102596, commonly used on equipment powered by Kohler engines.RELIABLE POWER OUTPUT: Converts alternator/stator AC to DC and regulates output to a steady 14.5V ±0.5V on 12V systems. This consistent charge supports stable battery performance and ensures smoother electrical operation, even when the voltage fluctuates. Choose this 15 amp regulator when your mower won’t keep the battery charged, lights dim at idle, or the battery drains between uses.HIGH-GRADE MATERIAL: Built with a sturdy aluminum finned housing, this BlueStars unit ensures efficient heat dissipation for a longer service life. The cooling design helps manage thermal stress during heavy-duty operation. Featuring a 3-terminal configuration, the nickel-plated terminals offer conductivity and are resistant to corrosion.100% LIFETIME PROTECTION: Enjoy reliable performance with our lifetime protection, ensuring your product is always covered for any defects or issues that may arise.