The Wacker Neuson Stud is a genuine OEM component designed for the HSH700 and HSH650 hydronic surface heaters. As a direct factory replacement, this stud is sourced from Wacker Neuson and manufactured to the same specifications as the original part. It fits both the HSH700 and HSH650 models, making it straightforward to source the correct hardware for your machine. Keeping the correct OEM stud in place helps ensure that the structural and mechanical connections within your heater assembly remain secure and properly aligned.
Key Features
- Genuine OEM Hardware Grade — manufactured to Wacker Neuson's original thread form, tensile strength, and dimensional tolerances, ensuring the fastener performs exactly as the assembly demands.
- Direct Drop-In Replacement — matches the original stud's thread pitch, length, and engagement depth, so installation into existing threaded bores or mating hardware requires no rework.
- Confirmed Fitment for HSH Series Heaters — verified for use on the HSH700 and HSH650 hydronic surface heaters, covering both units in the HSH lineup.
- Structural Connection Integrity — a correctly fitted stud maintains proper clamping force across joined components; a worn, stripped, or missing stud can allow heat panels, manifolds, or covers to shift, leading to leaks or assembly failure.
- OEM Part Number Assurance — ordering by Wacker Neuson part number 5000176621 confirms you receive the exact replacement, not a generic substitute that may differ in thread spec or material grade.
A stud is a headless threaded fastener anchored permanently into one component, allowing a mating part to be secured and removed repeatedly using a nut — without disturbing the base thread. In hydronic surface heaters like the HSH700 and HSH650, studs are used where reliable, repeatable clamping is needed at critical joints such as hose fittings, panel mounts, or burner assemblies. When a stud corrodes, strips, or breaks, the affected joint can no longer be properly torqued, which risks fluid leaks, loose panels, or misaligned components that compromise heater performance and safety.
Part Details
| Part Number | 5000176621 |
|---|---|
| Old Part Number | 0176621 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Stud |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HSH700 | HSH700G | 5000620243 |
| HSH650 | HSH650 | 5000620991 |
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.
