The Wacker Neuson Cap is a genuine OEM component designed for the HI series indirect-fired diesel air heaters, including the HI110D, HI110HD D, HI200D, HI200HD D, HI300D, HI90, HI90HD, HI120, HI35, HD50, and HD70 models. As a direct Wacker Neuson OEM part, the is manufactured to the same specifications as the original, ensuring a correct, hassle-free installation. This cap is a critical sealing and closure component that helps maintain the integrity and safe operation of your indirect air heater. Confirm your model number before ordering to ensure this part is the right fit for your specific unit.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to exact Wacker Neuson material and dimensional specs, ensuring the cap seats and seals correctly without gaps or misalignment that could compromise heater performance.
- Direct Drop-In Replacement — Engineered to match the original mounting interface on HI series indirect diesel heaters, so installation is straightforward without additional hardware or modification.
- Broad HI Series Compatibility — Fits a wide range of Wacker Neuson indirect-fired diesel air heaters including the HI35, HI90, HI90HD, HI110D, HI110HD D, HI120, HI200D, HI200HD D, HI300D, HD50, and HD70.
- Sustained Heater Output — A properly fitted cap keeps the heater system closed and functioning as intended, supporting consistent heat delivery on cold-weather job sites where reliable warmth is critical.
- Fuel System Safety Relevance — On diesel-fired heating equipment, a damaged or missing cap can expose fuel or combustion-related components to contaminants or leakage; replacing it promptly with a genuine OEM part supports safe heater operation.
A cap on an indirect-fired diesel air heater serves as a closure and protective cover for an access point, port, or fluid reservoir within the heater assembly. It keeps contaminants, moisture, and debris out of sensitive internal components while maintaining the sealed environment the heater needs to combust fuel cleanly and transfer heat efficiently to the outgoing air stream. When a cap is cracked, missing, or improperly seated, it can allow contamination into the system or disrupt pressure and flow conditions, leading to inconsistent heat output or potential safety concerns on the job site.
Part Details
| Part Number | 5000186813 |
|---|---|
| Old Part Number | 0186813 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Cap |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HI 110HD D Indirect Air Heater, Diesel | HI110HD D | 5000620864 |
| HI 300D, HEATER-INDIRECT, DIESEL, -20° | HI300D | 5000620866 |
| HI 110D, HEATER-INDIRECT, DIESEL, -20° | HI110D | 5000620915 |
| HI 200 D Indirect Air Heater | HI200D | 5000620865, 5200011877 |
| HI 200HD D Indirect Air Heater | HI200HDD | 5000620916, 5200011878 |
| HD 50 | HD50 | 5200019335 |
| HD 70 | HD70 | 5200019336 |
| HI35 | HI35 | 5200019337 |
| HI 90 | HI90 | 5200019340 |
| HI 90HD | HI90HD | 5200019341 |
| HI 120 | HI120 | 5200019342 |
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.
