The Wacker Neuson Oil Seal is a genuine OEM component designed for the E1250S and E1250P hydronic heaters, E2200 and E3000 ground heaters, and HSH380 hydronic surface heaters. As a direct OEM replacement, this seal is manufactured to the same specifications as the original part, ensuring a proper fit within the fluid circuit assembly. It is compatible across multiple configurations of these heater families, including standard, premium, diesel, natural gas, and propane variants, as well as generator-equipped and lift bail models. Keep part number on hand to minimize unplanned service interruptions during cold-weather operations.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to exact material and dimensional tolerances for oil and fluid retention in hydronic heater and ground heater assemblies, preventing leaks at the sealed interface.
- Drop-In Replacement — Installs directly into the original seal seat with no rework required, maintaining the correct compression fit against mating surfaces.
- Broad Heater Family Coverage — Compatible with E1250S, E1250P, E2200, E3000, and HSH380S/HSH380B series units across diesel, LP, natural gas, and generator-equipped configurations.
- Protects Fluid System Performance — A worn or failed oil seal allows fluid to migrate past the sealed interface, leading to fluid loss, contamination of surrounding components, and degraded heating output.
- Fuel and Fluid System Compliance — Using the correct OEM-spec seal in hydronic and ground heater systems is essential to maintaining safe, leak-free operation in enclosed or occupied work environments.
An oil seal creates a tight barrier between rotating or moving components and the surrounding housing, preventing oil or hydraulic fluid from escaping the fluid circuit. In hydronic heaters and ground heaters, maintaining this seal is critical to keeping the heating loop pressurized and free of contamination. When the seal degrades — through heat cycling, age, or mechanical wear — fluid loss occurs, which can reduce heating efficiency, cause component damage, and create safety concerns in enclosed job-site environments.
Part Details
| Part Number | 5100024276 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Oil Seal |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| E1250S | E1250S | 5200012355, 5200012354 |
| E3000 Ground Heater, 3kW Gen, TC | E3000 | 5100017807, 5100017809, 5100017806, 5100017808, 5100017810, 5100017811, 5100025046, 5100017801 |
| HSH380s | HSH 380S | 5100054643 |
| E 1250P Hydronic Heater, Premium, Diesel | E1250P | 5200012357, 5200012356 |
| HSH380S-Diesel, with Generator | HSH380S | 5200012371, 5200012370 |
| HSH380B-Diesel, without generator | HSH380B | 5200012359 |
| E2200 GROUND HEATER, 3kW GENERATOR | E2200 | 5100017448, 5100017449 |
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.
