The Wacker Neuson Thermostat Gasket is a genuine OEM component designed for the TH627 indirect-fired air heater. Sourced directly from Wacker Neuson, this part meets the exact material and dimensional specifications of the original, ensuring a proper seal at the thermostat housing. As a genuine OEM part, is manufactured to match the original equipment precisely, so you can restore your heater to full working condition with confidence. If your TH627 is showing signs of a compromised thermostat seal — such as heat loss, irregular temperature regulation, or visible leakage around the thermostat housing — replacing the Thermostat Gasket is a straightforward, cost-effective fix.
Key Features
- OEM-Grade Sealing Material — Manufactured to the same heat-resistant material spec as the original, maintaining a reliable compression seal under the thermal cycling demands of a diesel-fired heater.
- Direct-Fit Replacement — Dimensioned to seat correctly in the TH627 thermostat housing, allowing straightforward installation without modification to surrounding components.
- Confirmed TH627 Fitment — Verified fitment for the Wacker Neuson TH627 indirect-fired air heater (418-02 parts list).
- Restores Proper Temperature Control — A failed or compressed thermostat gasket allows heat to escape the housing, disrupting the thermostat's ability to regulate output temperature accurately; a fresh gasket restores that control.
- Fuel System Integrity — Maintaining a proper seal around the thermostat assembly helps prevent combustion-related heat from affecting adjacent fuel and control components, supporting safe heater operation.
The thermostat gasket forms a compression seal between the thermostat and its housing in the heater's temperature regulation circuit. It prevents heat and fluids from escaping the joint while allowing the thermostat to respond accurately to temperature changes and control the heater's output. When this gasket deteriorates or fails, the seal breaks down — leading to temperature fluctuations, inefficient heating, or damage to surrounding components from uncontrolled heat exposure.
Part Details
| Part Number | 1000338849 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Thermostat Gasket |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| SPARE PARTS LIST 418-02 / TH627 | TH627 (418-02) | 1000362623 |
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.
