The Wacker Neuson Fuel Cap Gasket is a genuine OEM component designed for the HIF 1200 and HIF 690 Flameless Air Heater series. Sourced directly from Wacker Neuson, this part meets the exact material and dimensional standards of the original, ensuring a proper seal at the fuel cap every time. It is a verified fit for multiple HIF 690 and HIF 1200 configurations, including Kubota engine variants. When it's time to service your heater's fuel system, part number is the correct OEM replacement to reach for.
Key Features
- OEM Sealing Material: — Manufactured to Wacker Neuson's original compound and compression spec, so the gasket seats and seals the same way the factory part did.
- Drop-In Fuel Cap Replacement: — Seats directly onto the existing fuel cap without trimming or adaptation, restoring the original cap-to-tank interface.
- Broad HIF Series Coverage: — Confirmed fitment across HIF 690 and HIF 1200 Flameless Air Heater models, including Kubota engine variants.
- Prevents Fuel Vapor Escape: — A properly seating fuel cap gasket keeps the fuel system closed, maintaining consistent heater operation in demanding jobsite conditions.
- Fuel System Integrity: — A failed or compressed gasket allows fuel vapors to escape the tank, creating a potential ignition hazard on a machine that produces heat output. Using the correct OEM gasket keeps the fuel system properly sealed.
The fuel cap gasket forms an airtight, liquid-tight seal between the fuel cap and the tank filler neck on flameless air heaters. Its job is to prevent fuel and fuel vapors from escaping around the cap during operation, transport, and storage. When this gasket deteriorates, cracks, or takes a compression set, it can no longer seat properly — leading to fuel odor, potential vapor leakage, and inconsistent heater performance. Replacing it promptly with the correct part, such as the 5100026802, restores the integrity of the fuel system and keeps the heater running as intended.
Part Details
| Part Number | 5100026802 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Fuel Cap Gasket |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HIF 1200 Flameless Air Heater | HIF1200 | 5200012623 |
| Heater-HIF 690,Flameless | HIF690 | 5200012622, 5100017599, 5100047562, 5200021915 |
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.
