The Genie 33966GT Ford LRG Thermostat is a genuine OEM thermostat designed for a wide range of Genie telescopic boom lifts, articulating boom lifts, and GS scissor lifts. As a direct OEM replacement, this thermostat is built to the same specification as the original part, ensuring proper engine temperature regulation on every application it covers. Compatible models include the S-40, S-45, S-60, S-60 HC, S-60 TRAX, S-65, S-65 TRAX, S-80, S-85, Z-45/22, Z-45/25, Z-45/25J IC Power, Z-60/34, Z-80/60, GS-3384, GS-3390, GS-4390, and GS-5390. Always cross-reference part number 33966GT against your machine's parts manual to confirm it is the correct item for your unit before ordering.
Key Features
- Genuine OEM Temperature Regulation — Manufactured to Genie OEM specification for the Ford LRG engine, delivering the correct opening temperature and flow characteristics the engine demands.
- Direct OEM Replacement — Replaces the original thermostat on a like-for-like basis, seating correctly in the existing housing without modification.
- Broad Genie Fitment — Covers S series telescopic booms, Z series articulating booms, and GS series scissor lifts, making it a versatile stocking part for mixed Genie fleets.
- Engine Protection — A correctly functioning thermostat keeps the engine operating within its designed temperature range, preventing overheating and the costly wear associated with running too hot or too cold.
- Operational Safety — Engine overheating on an aerial lift is a genuine operational hazard. Replacing a faulty thermostat with the correct OEM part restores the engine's thermal management and keeps the machine running safely through demanding work cycles.
A thermostat regulates engine coolant temperature by controlling when coolant is allowed to circulate through the cooling system. When the engine is cold, the thermostat stays closed, allowing the engine to reach its optimal operating temperature quickly. Once that temperature is reached, the thermostat opens to allow coolant to flow and carry excess heat away. A thermostat that sticks closed will cause the engine to overheat, while one that sticks open will cause the engine to run too cool and inefficiently — both conditions lead to accelerated engine wear and reduced performance. Replacing a suspect thermostat with the correct OEM part restores proper thermal management and protects the engine across the full duty cycle of the machine.
Part Details
| Part Number | 33966GT |
|---|---|
| Brand | Genie |
| Part Type | Genuine OEM |
| Description | Ford LRG Thermostat |
Compatibility & Fitment
| Name | Model |
|---|---|
| S-60 | S-60 |
| S-65 | S-65 |
| S-40 | S-40 |
| S-45 | S-45 |
| S-80 | S-80 |
| S-85 | S-85 |
| S-60 HC | S-60 HC |
| S-60 TRAX | S-60 TRAX |
| S-65 TRAX | S-65 TRAX |
| GS-3390 | GS-3390 |
| GS-4390 | GS-4390 |
| GS-5390 | GS-5390 |
| GS-3384 | GS-3384 |
| Z-60/34 | Z-60/34 |
| Z-45/22 | Z-45/22 |
| Z-45/25J IC Power | Z-45/25J IC Power |
| Z-80/60 | Z-80/60 |
| Z-45/25 | Z-45/25 |
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.
