25 403 48-S Regulator Rectifier (20–30 Amp) Kohler – Genuine OEM Replacement Part spring anti-vibration technology Maintain factory-level repair quality and

Maintain factory-level repair quality and performance

Horsepower Range: 25HP – 31HP (Kawasaki

⚠️ Important: Fitment varies by model and serial number

4438400 – Ariens® / Gravely® Micro5 Terminal Relay w/Resistor (Genuine OEM Part)

Reliable ignition engagement

25 403 48-S Regulator Rectifier (20–30 Amp) Kohler – Genuine OEM Replacement Part spring anti-vibration technology Maintain factory-level repair quality and25 403 48 S Regulator Rectifier (2030 Amp) Kohler Genuine OEM Replacement Part The Kohler 25 403 48 S Regulator Rectifier (2030 Amp) is a genuine OEM replacement charging system component designed for select Kohler small engines. This regulator rectifier is responsible for converting alternator output into stable DC voltage while regulating electrical current to properly charge the battery and support engine electrical systems. This higher output unit