The Multiquip 2509904S Ignition Switch With Key is a genuine OEM component designed for HTN27K and HTN28K Whiteman ride-on power trowels. Sourced directly from Multiquip, this switch matches the original unit exactly, ensuring correct installation and reliable electrical operation from day one. If your trowel is failing to start, cycling erratically, or showing signs of ignition switch wear, part number 2509904S is the authorized replacement to restore proper function. Confirmed fitment for HTN27K and HTN28K models makes this a straightforward, confidence-inspiring purchase.
Key Features
- Genuine OEM Ignition Integrity — Manufactured to Multiquip's original electrical specifications, ensuring correct switch resistance, key-cylinder engagement, and contact sequencing for the ignition circuit.
- Includes Matched Key — Ships complete with the keyed cylinder so no separate sourcing is needed; the assembly installs as a direct swap for the original switch housing.
- Confirmed Fitment for HTN27K and HTN28K — Verified for Whiteman HTN27K and HTN28K ride-on mechanical trowels, eliminating guesswork at the parts counter.
- Restores Clean Start/Stop Control — A correctly functioning ignition switch gives the operator precise, responsive engine start and shutdown, preventing the hard starts and intermittent cutouts caused by worn switch contacts.
- Electrical Safety on Powered Equipment — On ride-on trowels, a faulty ignition switch can create unintended engine engagement or prevent emergency shutdown; replacing with a genuine OEM switch keeps electrical behavior predictable and safe.
The ignition switch is the primary operator interface for starting and stopping the engine on a ride-on power trowel. It routes switched power through the machine's electrical system, allowing the engine to crank, run, and shut down on command. When the switch wears internally or the key cylinder fails, operators may experience no-start conditions, engines that won't cut off, or intermittent power loss to downstream electrical components — all of which take a machine out of service until the switch is replaced.
Part Details
| Part Number | 2509904S |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Ignition Switch With Key |
Compatibility & Fitment
| Name | Model |
|---|---|
| Whiteman Ride-On Power Trowels | HTN27K |
| Whiteman Ride-On Power Trowels | HTN28K |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.
