The Wacker Neuson Strain Relief is a genuine OEM component designed for HI750 and HI900 series indirect-fired air heaters. This includes HI750G, HI750D, HI750GM, HI750GMHD, HI900DGM, and related configurations — covering both natural gas/LP and diesel-fueled variants. As a factory-sourced part, the meets the exact design and material specifications Wacker Neuson built into these heaters, ensuring a direct, correct-fit installation with no guesswork. If your existing strain relief shows cracking, tearing, or loosening at a cable entry point, this is the part to have on hand before the next heating season.
Key Features
- Genuine OEM Construction: — Manufactured to Wacker Neuson's original material and dimensional specs, ensuring the correct clamping force and cable retention at the entry point — not an approximation.
- Broad HI-Series Compatibility: — Fits a wide range of HI750 and HI900 indirect-fired air heater configurations, including diesel, natural gas, LP, skid-mounted, and surge-brake variants.
- Drop-In Replacement: — Installs directly into the existing cable entry location on compatible heater models — same thread form, same body diameter, same retention design as the original.
- Protects Electrical Wiring Integrity: — Holds wiring firmly at the panel or housing entry point, preventing cable movement that leads to insulation wear, chafing, and eventual electrical faults in high-vibration or cold-weather operating conditions.
- Electrical Safety Function: — A failed or missing strain relief exposes conductors to mechanical stress at connection points, creating a potential short-circuit or ground-fault risk in a fuel-burning appliance — making prompt replacement a genuine safety priority.
A strain relief is a small fitting installed at the point where an electrical cable enters a housing, panel, or enclosure. Its job is to grip the cable firmly so that any pulling, tugging, or vibration on the cable is absorbed by the fitting rather than transmitted to the internal wire connections or terminals. On indirect-fired air heaters like the HI750 and HI900 series, where electrical components operate in demanding outdoor and cold-weather environments, a functional strain relief is essential to keeping wiring secure and connections stable. When a strain relief cracks, loosens, or fails, the cable is free to move, which accelerates insulation wear and puts stress directly on terminals — a condition that can lead to intermittent faults or electrical failure in the field.
Part Details
| Part Number | 5000181848 |
|---|---|
| Old Part Number | 0181848 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Strain Relief |
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 |
| Factory-Installed Options | Factory-Installed Options | 5200004152 |
| HI900 Heater-DGM,Srg,-40 | HI900DGM | 5200014221, 5200014222, 5200014165, 5200014166 |
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.
