The Wacker Neuson Flange Bolt 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 hardware used in production, so you get a drop-in replacement with no guesswork. Confirmed fitment covers HIF 690 Flameless Air Heater configurations including Kubota engine variants, giving you confidence you're ordering the right part the first time.
Key Features
- Genuine OEM Hardware Integrity — Manufactured to the exact thread pitch, flange diameter, and tensile specification of the original bolt, ensuring correct clamping force without risk of stripping or under-torquing.
- Direct Bolt-In Replacement — Matches the original mounting footprint and head profile, so it seats and torques exactly as the factory fastener did with no reworking of mating surfaces.
- Fits HIF 690 Series Heaters — Compatible with HIF 690 Flameless Air Heater units, including Kubota engine-equipped models, covering a range of common configurations in the field.
- Maintains Secure Assemblies Under Thermal Cycling — A properly spec'd flange bolt resists loosening caused by the heat expansion and contraction cycles typical in flameless heater operation, keeping critical joints tight throughout the work cycle.
- Genuine Wacker Neuson Part — Carries the full authenticity of an authorized OEM part, backed by Wacker Neuson's production standards for commercial-grade heating equipment.
A flange bolt combines a standard bolt with an integrated washer-like flange beneath the head, which distributes clamping load across a wider surface area than a plain bolt. In heating equipment like the HIF 690, this design helps secure components that are subject to vibration and repeated thermal expansion without damaging softer mating surfaces or allowing fasteners to work loose over time. When a flange bolt fails — through corrosion, shear, or thread damage — it can compromise the integrity of the joint it holds, potentially causing misalignment, leaks, or structural instability in the assembly.
Part Details
| Part Number | 5100028303 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Flange Bolt |
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.
