Wacker Neuson 1000038244 Oil Pre Heater

The Wacker Neuson Oil Pre Heater is a genuine OEM component designed for the TH627 indirect-fired air heater. As a factory-sourced part, it carries the exact specifications required to restore your machine to proper operating condition. If your TH627 is struggling to reach operating temperature in cold conditions or failing to heat efficiently, this is the component to inspect and replace.

Key Features

• Genuine OEM Heating Element Spec: — Sourced directly from Wacker Neuson, this oil pre heater meets the exact thermal output and electrical specifications required for the TH627 heating system.
• Direct Replacement for TH627: — Engineered to install into the TH627 indirect-fired air heater without modification, matching the original mounting configuration and connection points.
• Cold-Weather Start Performance: — A functioning oil pre heater ensures the fuel system reaches the correct temperature for reliable cold-weather ignition and consistent heat output on the jobsite.
• Protects Downstream Components: — Proper oil pre heating reduces strain on the burner and fuel delivery system, helping prevent wear caused by cold, viscous fuel being forced through the system.
• Fuel System Safety: — Correct oil pre heating is integral to controlled, consistent combustion in indirect-fired heaters — using the right OEM part keeps the fuel system operating within designed parameters.

The oil pre heater warms the fuel oil before it reaches the burner assembly in an indirect-fired air heater. In cold ambient conditions, diesel fuel thickens and becomes difficult to atomize properly, which can lead to incomplete combustion, hard starts, or burner lockout. By bringing the oil up to the correct temperature before it enters the fuel delivery system, this component ensures clean, reliable ignition and steady heat output. When the oil pre heater fails or degrades, the heater may exhibit hard starting, erratic flame behavior, or fail to ignite altogether — particularly in low-temperature environments where the unit is most heavily relied upon.

Part Details

Compatibility & Fitment

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.