The Multiquip 145996890 Thermostat LT-12 Seal is a genuine OEM component designed for the LT12 light tower. As an authentic Multiquip part, it meets the original design specifications for the LT12 cooling system, ensuring a proper seal around the thermostat housing. This is the correct replacement part for LT12 operators looking to restore the engine cooling circuit to proper working order and prevent coolant leaks at the thermostat junction.
Key Features
- OEM Sealing Integrity — Manufactured to the original compression and material specification for the thermostat housing on the LT12, ensuring a leak-free coolant seal under operating temperatures.
- Drop-In Replacement — Seats directly into the thermostat housing on the LT12 light tower with no trimming or adaptation, maintaining the original assembly interface.
- LT12 Light Tower Fitment — Sourced specifically for the Multiquip LT12 series; confirm your model code before ordering to ensure correct application.
- Coolant System Protection — A correctly installed thermostat seal prevents coolant bypass and overheating, keeping the engine operating within its designed temperature range during extended generator and lighting runs.
- Genuine OEM Confidence — Supplied as a genuine Multiquip part, so the material grade and dimensional tolerances match what left the factory — critical for a sealing component exposed to heat cycling and coolant pressure.
The thermostat seal forms a pressure-tight barrier between the thermostat housing and the engine block or coolant passage, preventing coolant from bypassing or leaking at the joint. Over time, heat cycling causes this seal to harden, compress, or crack, which can result in coolant loss, engine overheating, or erratic temperature regulation. Replacing a worn thermostat seal restores the integrity of the cooling circuit and protects the engine from the damage that sustained high operating temperatures can cause.
For fitment questions or help confirming this is the right part for your LT12, contact the DHS Equipment parts team directly.
Part Details
| Part Number | 145996890 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Thermostat LT-12 Seal |
Compatibility & Fitment
| Name | Model |
|---|---|
| LT12 | LT12 |
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.