Wacker Neuson 5100028274 Overflow Pipe Assembly

The Wacker Neuson Overflow Pipe Assembly is a genuine OEM component designed for the HIF 690 Flameless Air Heater series. Sourced directly from Wacker Neuson, this part meets the exact specifications of the original assembly, ensuring a correct, direct fit with no guesswork on the job. Verified fitment covers HIF 690 Flameless Air Heater models, including Kubota engine-equipped variants. Keep a genuine replacement on hand to avoid unexpected downtime during cold-weather operations.

Key Features

• Genuine OEM Construction — Manufactured to Wacker Neuson's original pipe routing and sealing specifications, so flow characteristics and connection geometry match the heater's fuel overflow circuit exactly.
• Direct-Fit Replacement — Engineered to connect to existing fittings and mounting points on the HIF 690, allowing a straightforward swap without reworking fuel lines or brackets.
• Confirmed HIF 690 Compatibility — Fits both standard and Kubota engine-equipped HIF 690 Flameless Air Heater configurations, covering the full range of 5100017599 and 5200021915 model variants.
• Leak-Free Overflow Management — A properly functioning overflow pipe assembly safely routes excess fuel away from heat sources; a cracked or failed pipe creates a fuel leak risk that can compromise heater operation and operator safety.
• Fuel System Safety — As part of the heater's fuel overflow circuit, this assembly plays a direct role in preventing uncontrolled fuel accumulation — using a genuine OEM part maintains the integrity of that safety function.

The overflow pipe assembly channels surplus fuel away from the burner and fuel system components during normal heater operation. This controlled routing prevents fuel from pooling near ignition sources, which is critical in a flameless heater running in enclosed or semi-enclosed work environments. When this assembly cracks, loosens, or fails, it can result in fuel leaks, inconsistent heater operation, or a shutdown triggered by the heater's safety systems — making prompt replacement essential to keeping operations running safely and efficiently.

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.