Kohler Engine Ignition Switch Replacement Kit
AUD 38.41 on Amazon.com.au (as of October 22, 2026) View details ↗
The TIKSCIENCE Starter Ignition Switch Replacement is a direct fit for Kohler engines including the CH18, CH20, CH23, CH620, CH640, CH670, CH680, CH730, and CH740 models, as well as replacing OEM part numbers 25 099 30-S and 2509930-S. Designed for reliable ignition control, this switch ensures precise and efficient engine startup, reducing wait times and improving overall performance. Its simple twist-action mechanism makes operation intuitive, while its durable metal and plastic construction resists extreme temperatures, corrosion, and wear, ensuring long-term reliability in demanding environments.
The compact, tool-free installation design allows for quick and straightforward fitting without specialised tools or professional assistance. The normally open contact type and clamp-style connector ensure secure electrical connections, while the flush-mount design integrates seamlessly with existing engine setups. Whether used in generators, pressure washers, or other Kohler-powered equipment, this replacement switch delivers consistent performance and ease of use, making it an ideal choice for maintenance and repair tasks.
Each kit includes a single ignition switch, packaged for convenience and ready for immediate use. The switch’s one-way circuit and screw terminals provide a stable connection, while its robust build ensures durability in harsh operating conditions. For users seeking a high-quality, compatible replacement for their Kohler engine, this switch offers a practical solution with minimal downtime and hassle.
| Compatibility | Kohler CH18, CH20, CH23, CH620, CH640, CH670, CH680, CH730, CH740; replaces 25 0 |
|---|---|
| Operation Mode | ON-OFF |
| Contact Type | Normally Open |
| Connector Type | Clamp |
| Material | Metal and plastic |
| Mounting Type | Flush Mount |



