Kohler 25 403 29-S Voltage Regulator Rectifier

The Kohler 25 403 29-S regulator rectifier helps keep your engine’s battery charged while it runs. It fits select Kohler 7000 Series engines.

Signs your regulator may need attention:

• The mower runs but will not restart because the battery is low

• The electric PTO disengages while mowing

• The battery or charging warning light comes on

These symptoms can have other causes, so check the charging system before replacing the regulator.

What’s Included:

• (1) Kohler 25 403 29-S voltage regulator rectifier

Fitment depends on the full engine model and spec number. Use our Engine Model Lookup Tool or contact us with the number stamped on your engine before ordering.