The Multiquip 1E39973012 is a genuine OEM Thermostat Assembly V1205B MRX-400/P designed for V1205B engine-equipped machines. As a direct OEM replacement sourced through Multiquip's authorized parts network, 1E39973012 delivers the exact fitment and specification required to restore proper engine cooling system operation. This part is confirmed for V1205B applications, making it a straightforward swap for technicians maintaining this equipment in the field.
Key Features
- Genuine OEM Temperature Regulation Spec — Opens and closes at the correct calibrated temperature threshold for the V1205B engine, ensuring the cooling system performs exactly as designed.
- Direct-Fit Replacement — Matches the original thermostat housing interface and coolant passage dimensions for a clean, tool-standard installation.
- Confirmed V1205B Fitment — Engineered specifically for V1205B engine configurations; verify your model code before ordering to ensure compatibility.
- Engine Longevity Protection — A correctly functioning thermostat prevents chronic overheating and cold-running conditions that accelerate cylinder wear and reduce engine service life.
- Cooling System Safety Compliance — Maintains proper operating temperature range, protecting against thermal overload events that can cause sudden engine shutdown on the job.
The thermostat is a coolant flow control valve positioned within the engine's cooling circuit. When the engine is cold, it remains closed to help the engine reach operating temperature quickly. Once the engine warms to its calibrated threshold, the thermostat opens to allow coolant to circulate through the radiator and shed heat. A thermostat that sticks open causes the engine to run too cold and inefficiently, while one that sticks closed leads to rapid overheating — both conditions can cause serious engine damage if left unaddressed.
For fitment questions or help confirming that this part is the correct part for your machine, contact the DHS Equipment parts team directly.
Part Details
| Part Number | 1E39973012 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Thermostat Assembly V1205B MRX-400/P |
Compatibility & Fitment
| Name | Model |
|---|---|
| V1205B | V1205B |
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.
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