The Wacker Neuson Strain Relief is a genuine OEM component designed for HI750 and HI900 series indirect-fired air heaters. This is a direct factory replacement sourced from Wacker Neuson, ensuring it meets the exact specifications of the original part installed at the time of manufacture. Compatible across a wide range of HI750 and HI900 configurations — including diesel, gas, natural gas/LP, surge brake, and skid-mounted variants — this part covers some of the most widely deployed indirect heater setups in the field. When your strain relief shows signs of wear, cracking, or damage, replacing it promptly with the correct OEM part keeps your wiring protected and your heater running safely.
Key Features
- Genuine OEM Construction: — Manufactured to Wacker Neuson's original material and dimensional spec, ensuring the correct grip force and cable retention for the wiring harness used in HI-series heaters.
- Drop-In Replacement: — Engineered to fit the existing knockout or port opening without rework, maintaining the integrity of the enclosure seal around the cable entry point.
- Broad HI-Series Compatibility: — Fits HI750 and HI900 indirect-fired air heater models across diesel, gasoline, natural gas/LP, skid-mounted, and surge brake configurations.
- Cable and Wiring Protection: — Absorbs pull and vibration loads on the cable at the entry point, preventing insulation wear, conductor fatigue, and short-circuit risk at the connection.
- Electrical Safety Compliance: — On fuel-burning heating equipment, a properly seated strain relief is critical to preventing exposed conductors near ignition and fuel components — use only a correctly rated replacement.
A strain relief is a small but critical fitting installed where an electrical cable enters an enclosure or housing. Its job is to clamp the cable jacket securely so that any pulling, bending, or vibration on the cable is absorbed at the fitting rather than transferred to the internal wire terminations. On indirect-fired air heaters like the HI750 and HI900, cables routed into control panels and ignition assemblies are exposed to heat cycling, vibration, and physical handling in demanding jobsite environments. When a strain relief cracks, loosens, or fails, the cable can shift under load — stressing solder joints or terminal connections and creating a potential fault point in a fuel-burning appliance. Replacing a damaged strain relief with the correct OEM part restores that mechanical protection and maintains the sealed integrity of the electrical enclosure.
Part Details
| Part Number | 5000181847 |
|---|---|
| Old Part Number | 0181847 |
| 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.
