The Wacker Neuson Piston is a genuine OEM component designed for the TH627 indirect-fired air heater. Sourced directly from Wacker Neuson, this piston meets the original engineering specifications for the TH627, ensuring proper fit and function within the burner assembly. Genuine OEM designation means this is the same part built to the same tolerances as the component installed at the factory, giving you confidence that your heater will return to correct operating condition after service.
Key Features
- OEM-Grade Dimensional Accuracy — Manufactured to the original bore and ring-groove tolerances required for correct compression and sealing within the TH627 burner pump assembly.
- Direct-Fit Replacement — Matches the original piston profile and attachment points, dropping straight into the existing housing without machining or adapting.
- Confirmed TH627 Fitment — Verified against Wacker Neuson spare parts list 418-02 for the TH627 indirect-fired air heater series.
- Restores Burner Pump Performance — A worn or damaged piston causes loss of fuel pressure and incomplete combustion; replacing it with part 1000352749 brings fuel delivery back to spec and restores consistent heat output.
- Fuel System Safety — A correctly seating piston prevents fuel bypass and uncontrolled pressure fluctuations in the burner circuit — a genuine OEM part ensures this critical tolerance is maintained.
The piston in an indirect-fired air heater operates within the burner's fuel pump, creating the pressure needed to deliver a metered supply of diesel fuel to the combustion chamber. When the piston wears or fails, fuel pressure drops, leading to hard starting, inconsistent flame output, or complete burner shutdown — which on a cold-weather jobsite means lost heat when it matters most. Replacing the piston with the correct OEM part restores the pump's ability to maintain steady fuel delivery and reliable ignition cycle after cycle.
Part Details
| Part Number | 1000352749 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Piston |
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.
