The Multiquip EM919 Thermostat is a genuine OEM thermostat designed for a wide range of Whiteman and international ride-on power trowels, towable light towers, and walk-behind rollers. Sourced directly from Multiquip, this thermostat meets the exact specifications required to maintain proper engine operating temperature across compatible equipment. Verified fitment includes models HHXDF4-DF5, HHXDF5-ES, HHNG5, HHXG5, HHXD5, EHHNK5, HTNS5S-2, JTNSW24HTCSL, JTNSW20HTCSL, JTNSW20, JTNS20, JWN24HTCSL/HSCSL, LT6KV (60HZ), V30-W2-LD, and V30-W2-R. Ordering by part number EM919 ensures you receive the correct OEM component for your specific unit.
Key Features
- Genuine OEM Temperature Regulation: — Manufactured to the precise opening temperature and flow rating required by the engine, ensuring coolant circulation is neither premature nor delayed.
- Direct Drop-In Replacement: — Matches the original housing diameter, bypass configuration, and seating surface so installation requires no modification to the cooling system.
- Broad Verified Fitment: — Compatible with Whiteman and international ride-on power trowels (HHXDF4-DF5, HHNG5, HHXD5, EHHNK5, JTNSW20, and related models), the LT6KV (60HZ) light tower, and V30-W2-LD and V30-W2-R walk-behind rollers.
- Engine Protection at Every Cycle: — A correctly functioning thermostat keeps the engine within its designed thermal range, protecting against both overheating and prolonged cold running that accelerates internal wear.
- Cooling System Integrity: — A failed or stuck thermostat can cause erratic temperature swings, coolant loss, or engine shutdown mid-pour — replacing it with an OEM-spec unit restores predictable thermal control.
The thermostat is a temperature-sensitive valve that sits within the engine's cooling circuit. When the engine is cold, the thermostat stays closed, allowing the coolant to circulate only within the engine block so it reaches operating temperature quickly and evenly. Once the coolant reaches the correct temperature threshold, the thermostat opens and routes coolant through the radiator to shed heat. A thermostat that sticks closed will cause the engine to overheat rapidly, while one that sticks open will prevent the engine from ever reaching efficient operating temperature — both conditions lead to reduced performance and accelerated wear on internal components.
Part Details
| Part Number | EM919 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Thermostat |
Compatibility & Fitment
| Name | Model |
|---|---|
| Whiteman Ride-On Power Trowels | HHXDF4-DF5 |
| Whiteman Ride-On Power Trowels | HHNG5 |
| International Ride-On Power Trowels | EHHNK5 |
| International Ride-On Power Trowels | HTNS5S-2 |
| International Ride-On Power Trowels | JTNSW24HTCSL |
| International Ride-On Power Trowels | JTNSW20HTCSL |
| International Ride-On Power Trowels | JTNSW20 |
| International Ride-On Power Trowels | JTNS20 |
| Whiteman Ride-On Power Trowels | HHXD5-ES |
| Whiteman Ride-On Power Trowels | HHXG5 |
| Whiteman Ride-On Power Trowels | HHXD5 |
| Towable Towers | LT6KV (60HZ) |
| Whiteman Ride-On Power Trowels | JWN24HTCSL/HSCSL |
| Rollers | V30-W2-LD |
| Rollers | V30-W2-R |
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.
