The Wacker Neuson Oil Seal is a genuine OEM component designed for a broad range of Wacker Neuson equipment, including CT36-9 and CT48-9 concrete power trowels, PT3 centrifugal trash pumps, BFS and BFSX floor saws, GP4000 and GPi4300 series portable generators, and BPU 3050 reversible vibratory plate compactors. As a genuine OEM part, the is manufactured to the exact material and dimensional specifications set by Wacker Neuson, ensuring a proper seal wherever it is installed. This oil seal is a direct-fit replacement sourced through Wacker Neuson's authorized parts program, so you can install with confidence across all listed models and configurations.
Key Features
- OEM Material Integrity: — Manufactured to Wacker Neuson's exact lip geometry and compound grade, delivering the compression and chemical resistance required for engine and drivetrain oil retention.
- Cross-Equipment Compatibility: — A single part number covering concrete trowels (CT36-9, CT48-9), trash pumps (PT3), floor saws (BFS 935B, BFS 940W, BFSX 90R, BFS 914B, BFS 914W, BFS16, BFSX16), generators (GP4000, GPi4300, GPSi4300), and vibratory plate compactors (BPU 3050).
- Drop-In Fitment: — Dimensionally identical to the original, seating cleanly into the existing bore without machining or adaptation.
- Leak Prevention at the Source: — A properly functioning oil seal keeps lubricant in and contaminants out; a worn or cracked seal leads to oil loss, bearing starvation, and accelerated wear on rotating components.
- Fuel and Oil System Safety: — Correct sealing at shaft exits prevents oil from contacting hot engine surfaces or electrical components, reducing the risk of fire or fluid contamination in the machine.
An oil seal is a precision ring fitted around a rotating shaft — such as a crankshaft, drive shaft, or pump impeller shaft — to retain lubricating oil inside the housing while blocking dirt, water, and debris from entering. It works by maintaining constant contact pressure against the shaft surface through a flexible lip, typically reinforced with a metal casing for structural support. When the seal lip wears, hardens, or becomes damaged, oil begins to leak past the shaft, leading to low oil levels, overheating, and potential seizure of the bearings or rotating assembly it was protecting.
Part Details
| Part Number | 5000156563 |
|---|---|
| Old Part Number | 0156563 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Oil Seal |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| CT36-9-V Trowel | CT36-9-V | 5000009447, 5000620834 |
| PT3 Pump | PT3 | 5000009321, 5000009322, 5000009323 |
| CT36-9 Trowel | CT36-9 | 5000009444, 5000620833 |
| CT48-9 Trowel | CT48-9 | 5000009453, 5000620838 |
| Premium Portable Generator | GP4000 | 5000620090, 5000620380, 5000620977, 5000620978, 5000620089 |
| BFS 935 SAW,BASIC | BFS 935B | 5000008911 |
| Floor Saw | BFS16 | 5000630098 |
| Gasoline Reversible Vibratory Plate | BPU 3050 | 5000008955 |
| Floor Saw | BFS 90R | 5000009522 |
| Floor Saw | BFSX 90R | 5000009525 |
| BFS 914B SAW | BFS 914B | 5000610093 |
| Petrol Floor Saw BFS 940W | BFS 940W | 5000610328, 5100004005 |
| Floor Saw | BFSX16 | 5000630248 |
| GPi4300 | GPi4300 | 5000620962, 5000620782, 5000620784 |
| GPSi4300 | GPSi4300 | 5000620963, 5000620783, 5000620937 |
| Floor Saw | BFS 914W | 5100004003 |
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.