Wacker Neuson 5000044773 Shaft Seal 30 X 45 X 8 2B

The Wacker Neuson Shaft Seal 30 X 45 X 8 2B is a genuine OEM seal designed for the GH3500E high cycle portable generator. As a factory-sourced component, it is manufactured to the exact material grade and compression tolerances specified for this application, ensuring a proper sealing interface at the shaft. This part is a direct replacement for the original seal on the GH3500E, so it installs into the existing bore without modification.

Key Features

• OEM-Grade Sealing Material — Manufactured to the precise elastomer compound and lip geometry specified for this shaft diameter and rotational speed, maintaining a consistent fluid barrier over the service life of the seal.
• Exact Dimensional Fit — 30 x 45 x 8 mm dimensions match the original bore and shaft spec on the GH3500E, dropping directly into the housing without rework or shimming.
• Confirmed GH3500E Fitment — Sourced and validated specifically for the GH3500E high cycle portable generator; verify your machine's model and serial number before ordering.
• Prevents Fluid Loss at the Shaft — A properly seated shaft seal keeps lubricant in and contaminants out; a worn or failed seal allows oil to migrate along the shaft, leading to lubrication loss and accelerated wear on adjacent components.
• Genuine Wacker Neuson OEM Part — Supplied directly through the Wacker Neuson parts network, so the part number, specification, and fitment data are verified against the original equipment build record.

A shaft seal creates a dynamic barrier between a rotating shaft and a stationary housing, preventing lubricating oil from escaping while blocking moisture, dust, and debris from entering the bearing cavity or gear case. In a high cycle portable generator like the GH3500E, maintaining that seal is critical to keeping internal components properly lubricated under sustained operating loads. When a shaft seal deteriorates — through heat cycling, compression set, or physical damage — oil seepage begins, lubrication levels drop, and bearing or gear wear accelerates, often causing secondary damage well beyond the cost of the seal itself.

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.