The Wacker Neuson Setscrew is a genuine OEM component designed for the HI750 series indirect-fired air heaters, including HI750GM, HI750D, and HI750G models. As a direct OEM part, the is manufactured to the exact specification required for correct installation and long-term performance in demanding heating applications. This setscrew fits across a wide range of HI750 configurations — including diesel, natural gas, propane, skid-mounted, and surge-tank variants — making it a versatile service part to stock for fleet maintenance. Confirm your machine number against the fitment list before ordering to ensure compatibility with your specific unit.
Key Features
- Genuine OEM Thread Integrity — Manufactured to exact thread form and hardness specifications, ensuring the setscrew seats and locks components securely without stripping or backing out under vibration.
- Drop-In Installation — Matches the original fastener position, thread pitch, and drive type for straightforward replacement with no modification to surrounding hardware.
- Broad HI750 Series Coverage — Compatible with HI750GM, HI750D, and HI750G configurations, including diesel, natural gas/propane, skid-mounted, and cold-weather surge variants.
- Maintains Secure Component Retention — A correctly torqued setscrew keeps shafts, collars, or fittings properly locked in position; a worn or missing setscrew can allow critical components to shift, affecting heater output and reliability.
- Fuel System Adjacent — Install with Care — Where setscrews are used in proximity to fuel or combustion components on indirect-fired heaters, correct installation torque and condition are important for safe, leak-free operation.
A setscrew is a headless fastener threaded through a collar, hub, or fitting to lock it firmly against a shaft or mating surface. On indirect-fired air heaters like the HI750 series, setscrews are used to secure components in place against the stresses of continuous operation, vibration, and thermal cycling. If a setscrew loosens, backs out, or fails, the component it retains can shift or detach, leading to misalignment, reduced heating efficiency, or the need for more extensive repairs. Replacing a worn or damaged setscrew promptly with the correct OEM part restores proper retention and keeps the heater operating as intended.
Part Details
| Part Number | 5200007739 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Setscrew |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HI750 DGM HEATER-INDIRECT | HI750GM | 5000620859, 5000620930 |
| Mobile Indirect Fired Air Heat er, Diesel | HI750D | 5000620856, 5000620923, 5000620924 |
| HI 750GM HD-Mobile Indirect Ai r Heater-Surge, -40 | HI750GMHD | 5000620969 |
| HI750G HEATER-INDIRECT | HI750G | 5000620857, 5000620928, 5000620929 |
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.
