The Wacker Neuson Radiator Cap is a genuine OEM component designed for the HIF 1200 Flameless Air Heater. Sourced directly from Wacker Neuson, this cap is an exact match for the original part installed at the factory, ensuring a correct seal and consistent system pressure across the heater's coolant circuit. If your HIF 1200 is losing coolant, overheating, or showing erratic temperature behavior, a worn or failed radiator cap is one of the first components to inspect and replace.
Key Features
- Correct Pressure Rating: — Genuine OEM spec means this cap maintains the precise pressure relief threshold required by the HIF 1200 coolant system — no guesswork on ratings.
- Sealed OEM Source: — Supplied directly from Wacker Neuson, part number 5100040214 matches the original cap removed from the machine — no cross-referencing or adaptation needed.
- Direct Fitment for the HIF 1200: — Engineered specifically for the HIF 1200 Flameless Air Heater coolant system, threading and sealing surfaces match the factory radiator neck exactly.
- Protects the Cooling Circuit: — A properly rated cap holds system pressure to raise the coolant boiling point, protecting the heater's engine and heat exchanger from thermal damage during extended operation.
- Fuel-Fired Heater Safety: — On a flameless air heater operating in enclosed or low-oxygen environments, a compromised cooling circuit can lead to uncontrolled temperature rise — using a verified OEM cap maintains system integrity.
The radiator cap seals the coolant reservoir on the HIF 1200's internal combustion engine and maintains a calibrated pressure level within the cooling circuit. By pressurizing the system, the cap raises the boiling point of the coolant, allowing the engine to operate at a stable temperature even under sustained load in cold-weather heating applications. When the cap wears out, loses its seal, or its pressure valve fails, coolant can escape, pressure drops, and the engine becomes vulnerable to overheating — causing performance loss or component damage in conditions where the heater is needed most.
Part Details
| Part Number | 5100040214 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Radiator Cap |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HIF 1200 Flameless Air Heater | HIF1200 | 5200012623 |
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.
