The Multiquip EM97028K Ignition Key is a genuine OEM replacement designed for ST-45HRM and ST-70 series concrete pumps. As an authentic Multiquip part, EM97028K is sourced directly from the manufacturer to ensure correct fitment and function with your equipment. This key is a direct replacement for the original, requiring no modification to the ignition switch or housing. If you are maintaining or restoring ignition system operation on your ST-45HRM or ST-70, this is the correct part to order.
Key Features
- Genuine OEM Construction — Cut and coded to the exact specification of the original ignition key, ensuring full engagement with the ignition switch cylinder without binding or slipping.
- Direct Drop-In Replacement — Matches the original key profile for the ST-45HRM and ST-70 concrete pumps, fitting straight into the existing ignition switch with no rekeying or adaptation needed.
- Confirmed Fitment — Verified for use on Multiquip ST-45HRM and ST-70 concrete pump models.
- Restores Reliable Ignition Operation — A worn, damaged, or lost key can prevent startup or cause intermittent electrical contact; replacing with the correct OEM key ensures clean, consistent ignition switching every time.
- Electrical Safety Compliance — Using the correct keyed ignition component maintains the integrity of the machine's electrical start and shutoff circuit, which is critical for safe pump operation and emergency stop function.
The ignition key on a concrete pump is the primary interface between the operator and the machine's electrical start system. When turned, it completes the ignition circuit, allowing the engine to crank and the pump to operate. A worn or incorrect key may fail to make full contact within the switch cylinder, leading to intermittent starting issues, failure to start, or an inability to shut the machine down cleanly — all of which can interrupt work and create safety concerns on the jobsite. Replacing a damaged or lost key with the correct OEM part restores full control of the ignition system.
Part Details
| Part Number | EM97028K |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Ignition Key |
Compatibility & Fitment
| Name | Model |
|---|---|
| Submersible Pumps | ST-45HRM |
| Submersible Pumps | ST-70 |
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.
