The Wacker Neuson Fuel Pre Heater is a genuine OEM component designed for the TH627 indirect-fired air heater. Sourced directly from Wacker Neuson, this part meets the exact specifications required for proper fuel system operation on the TH627. Genuine OEM status means it integrates with the existing fuel delivery system without adaptation, maintaining the heater's performance and reliability in demanding cold-weather jobsite conditions.
Key Features
- Genuine OEM Specification — manufactured to Wacker Neuson's exact fuel system tolerances, ensuring correct fuel viscosity management and consistent ignition performance in low-temperature environments.
- Direct Replacement for the TH627 — engineered to slot into the existing fuel line configuration of the TH627 indirect-fired air heater with no rework to surrounding components.
- TH627 Fitment Confirmed — verified against Wacker Neuson spare parts list 418-02 for the TH627 heater, giving you confidence before you order.
- Cold-Weather Starting Performance — a functioning fuel pre heater warms diesel fuel before it reaches the combustion chamber, preventing wax crystal formation that can starve the burner and cause hard starts or no-starts in freezing conditions.
- Fuel System Safety — a failed or bypassed pre heater can cause irregular fuel delivery and combustion faults; replacing it with the correct OEM part restores predictable burner operation and reduces the risk of uncontrolled flame behavior.
A fuel pre heater raises the temperature of diesel fuel as it moves through the fuel delivery circuit before reaching the burner assembly. In cold ambient conditions, diesel fuel thickens and can form wax crystals that restrict flow, leading to hard starts, burner lockouts, or inconsistent heat output. By warming the fuel to a workable viscosity, the pre heater ensures a steady, atomized fuel supply reaches the combustion chamber. When this component fails, the heater may refuse to start in cold weather or cycle erratically, reducing the effectiveness of the unit on temperature-sensitive work sites.
Part Details
| Part Number | 1000336999 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Fuel Pre Heater |
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.
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