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Voltage Regulator Rectifier for Kohler 41 403 10-S 41 403 09-S 25 403 03-S

Voltage Regulator Rectifier for Kohler 41 403 10-S 41 403 09-S 25 403 03-S

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$29.99
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This New Voltage Regulator Rectifier is a voltage regulation component compatible with Kohler engines and matches OEM Part# 41 403 10-S, 41 403 09-S, and 25 403 03-S.
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I needed a forklift part and wasn’t sure which one fit. They asked for the model and serial number, got back to me quickly, and made sure I ordered the right one. Really helpful.

Randy W. — Verified customer

Product Overview

This New Voltage Regulator Rectifier is an essential electrical component designed to maintain a consistent voltage output for small engine charging systems. The New Voltage Regulator Rectifier efficiently converts AC voltage from the stator into DC voltage to keep the battery charged and protect sensitive electronics. This high-quality New Voltage Regulator Rectifier is engineered for equipment owners and mechanics seeking a reliable replacement for malfunctioning charging system hardware.

Key Features & Performance

  • Solid-state electronic construction ensures long-term reliability and precise voltage control
  • High-grade heat sink design provides efficient thermal dissipation to prevent overheating
  • Direct-fit replacement matches original factory electrical connector configurations
  • Rugged housing protects internal circuitry from moisture, vibration, and debris
  • Engineered to maintain optimal battery charging levels during engine operation

Fitment & Compatibility

  • Compatible with Kohler engine models requiring 15 amp charging systems
  • Fits various lawn tractors and outdoor power equipment utilizing Kohler Command and Courage engines

Common Uses

  • Replacement for failed voltage regulators on riding lawn mowers
  • Charging system maintenance for garden tractors and zero-turn mowers
  • Restoring electrical stability to industrial small engine applications

Technical Specifications

  • Part Number(s): 41 403 10-S, 41 403 09-S, 25 403 03-S
  • Terminals: 3
  • Amperage: 15 Amp

Frequently Asked Questions

Q: What are the signs of a failing voltage regulator? A: Common symptoms include a battery that will not charge, dimming headlights during operation, or a battery that is being overcharged and leaking fluid.

Q: Does this regulator require any special wiring for installation? A: No, it is designed as a plug-and-play replacement that connects directly to the existing factory wiring harness.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.

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