The Wacker Neuson is a genuine OEM Fitting 5/8 Hose Barb designed for the G25, G50, and G70 portable generator series, as well as LTW20Z1 and LTW20Z3 light towers. As a factory-sourced component, the is manufactured to the same specifications as the original part, ensuring a direct, trouble-free installation. This fitting serves across a wide range of configuration variants including standard, cold weather, extended run, custom, and 600V mobile generator builds. If you're servicing a Wacker Neuson G25 or G50 in any Tier 4 Final or Tier 4i configuration, this is the correct hose barb fitting for your machine.
Key Features
- Genuine OEM Construction — Manufactured to Wacker Neuson's original material and dimensional specifications, ensuring the barb retains secure hose engagement and resists pullout under operating pressure.
- Broad Generator Series Coverage — Fits G25, G50, and G70 mobile and skid-mounted generator configurations, including standard, cold weather, extended run, custom, and 600V mobile variants across Tier 4i and Tier 4 Final builds.
- Light Tower Compatibility — Also confirmed for LTW20Z1 and LTW20Z3 light tower models, including standard, cold weather, and custom T4 configurations.
- Correct Hose Barb Sizing — The 5/8-inch barb profile matches the original hose inner diameter, maintaining a leak-free seal at the connection point without improvised adapters or reducing fittings.
- Fuel or Coolant System Integrity — A properly seated hose barb fitting prevents fluid seepage that can compromise generator runtime, damage adjacent components, or create a hazardous condition on-site.
A hose barb fitting is a small but critical connector that anchors a flexible hose to a rigid port within the machine's fluid circuit — whether fuel, coolant, or another fluid system. The barbed profile grips the interior wall of the hose, creating a secure, low-profile seal that holds under vibration and pressure. When a hose barb fitting cracks, strips, or corrodes, the connection loosens and fluid can leak, leading to loss of prime, overheating, or contamination. Replacing a damaged fitting promptly with the correct OEM part restores a dependable seal and keeps the fluid system operating as intended.
Part Details
| Part Number | 5000159379 |
|---|---|
| Old Part Number | 0159379 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Fitting 5/8 Hose Barb |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| G25 Generator, Custom T4i | G25 | 5000620642, 5000620709, 5000620641, 5000620931, 5200009372, 5200009376, 5200009370, 5200009371, 5200009373, 5200009377, 5200014461, 5200009375, 5200009374, 5200014462, 5100041584, 5200022587, 5100045084, 5100041580, 5100041592, 5200003991, 5100017591, 5100022834, 5100041581, 5100041582, 5100041583, 5100045541, 5100045542, 5100050326, 5000009462, 5000009476, 5100042510, 5100042512, 5100042509, 5100025836, 5100042508 |
| G50 Generator, Custom T4F | G50 | 5200014322, 5200014319, 5200014320, 5200014323, 5200017829, 5200017830, 5100042430, 5100042435, 5100045494, 5100042431, 5100042433, 5100045085, 5100045493, 5100042432, 5000009463, 5000009477 |
| LTW20Z1, LED | LTW20Z1 | 5100051572, 5100051571, 5200014324, 5200014326, 5200018239, 5200014328 |
| LTW20Z-3 Light Tower, Standard T4 | LTW20Z3 | 5200014325, 5200014327, 5200023604, 5200014329 |
| Mobile Generator, Skid Mounted | G70 | 5000009464, 5000009478 |
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.
Wacker Neuson
Wacker Neuson Fitting-Hose Mender, 5/8 Barb | 5100043409
