The Wacker Neuson Water Flange Gasket is a genuine OEM component designed for the HIF 690 Flameless Air Heater series, including Kubota engine-equipped models. Sourced directly from Wacker Neuson, this part meets the original design tolerances for a correct, leak-free seal at the water flange connection. It fits both the HIF 690 () and HIF 690 Flameless Heater with Kubota Engine () configurations, making it the go-to replacement for operators running either variant. When you need to restore the cooling circuit integrity on your HIF 690 heater, part is the correct, OEM-verified choice.
Key Features
- OEM Sealing Integrity — Manufactured to the original material and compression specification for the water flange interface, ensuring a proper coolant seal without improvisation.
- Drop-In Flange Replacement — Engineered to align directly with the water flange mounting points on the HIF 690, so installation follows the standard service procedure without modification.
- Confirmed HIF 690 Fitment — Verified for the HIF 690 Flameless Air Heater in both standard and Kubota engine configurations.
- Prevents Coolant Leaks — A failed or compressed flange gasket allows coolant to escape the circuit, causing overheating and interrupting heat output. This replacement restores the sealed system and keeps the heater running at full capacity.
- Fuel-Fired Heater Safe — Correct gasket material selection matters in flameless heater applications where coolant temperatures are sustained at operating levels; using the genuine OEM part eliminates the risk of premature gasket failure from incompatible materials.
The water flange gasket creates a pressure-tight seal between the water flange and the engine or heat exchanger housing, keeping coolant contained within the closed circuit of the heater's liquid system. In flameless air heaters like the HIF 690, the coolant circuit is central to transferring heat safely and efficiently — if the gasket deteriorates or cracks, coolant leaks disrupt thermal output and can cause the unit to shut down or overheat. Replacing a worn gasket promptly with the correct OEM part restores the integrity of the system and prevents more extensive damage to surrounding components.
Part Details
| Part Number | 5100028336 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Water Flange Gasket |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HIF 690 Flameless Air Heater | HIF690 | 5100017599, 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.