Wacker Neuson 5000180765 Crankcase Oil Drain Fitting Quick Disconnect

The Wacker Neuson Crankcase Oil Drain Fitting Quick Disconnect is a genuine OEM component designed for the G25 generator series, including G25 Mobile, G25 Custom T4i, and G25 Switchable 600 Volt T4i models. As a direct OEM part, the is manufactured to the same specification as the original, ensuring a proper connection at the crankcase drain point without any guesswork on fit or compatibility. Keeping this fitting in good working order is essential for clean, controlled oil changes in the field — a worn or leaking quick disconnect can turn a routine service task into a messy, time-consuming job. Stock the as a service spare and keep your G25 generator on a consistent maintenance schedule.

Key Features

• Genuine OEM Construction — Manufactured by Wacker Neuson to original drain fitting specifications, ensuring correct thread engagement, sealing surface integrity, and quick-disconnect locking function.
• Tool-Free Oil Drain Access — The quick-disconnect design allows fast, controlled crankcase oil drainage without the need for additional fittings or adapters at the drain point.
• Direct Replacement for G25 Series Generators — Confirmed fitment across G25 Mobile Generator, G25 Custom T4i, and G25 Switchable 600 Volt T4i generator variants.
• Leak-Free Service Performance — A correctly seated quick-disconnect fitting prevents oil seepage between service intervals, protecting the crankcase and keeping the generator base clean.
• Fuel System and Oil Circuit Integrity — Proper crankcase drain hardware is a key part of maintaining correct oil volumes; a failed fitting can lead to undetected oil loss and accelerated engine wear.

The crankcase oil drain fitting quick disconnect provides a secure, removable connection point at the engine's oil drain outlet, allowing service technicians to perform oil changes quickly and cleanly. The quick-disconnect mechanism lets the drain hose or container attach and detach without spills, making it especially valuable on generator sets where access space is limited. When this fitting cracks, corrodes, or loses its locking action, oil can drip between service intervals or drain uncontrollably during changes — replacing it promptly keeps oil handling safe and the engine protected.

Part Details

Compatibility & Fitment

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.