The Wacker Neuson O-Ring is a genuine OEM component designed for PT6Y and PT6YT series trash pumps. Sourced directly from Wacker Neuson, this O-Ring is manufactured to the exact material and dimensional specifications required for these models, ensuring a proper seal without modification or adaptation. Compatible across multiple PT6Y and PT6YT configurations — including PT6Y-SA, PT6YT, PT6Y-AU, PT6YT-IN, and PT6Y EPA T4 variants — this is the correct replacement part when your original seal shows signs of wear, cracking, or leakage.
Key Features
- Correct Seal Material and Compression Profile — Manufactured to the OEM compound and cross-section spec for this pump application, delivering the sealing performance the original design requires.
- Drop-In Replacement — Seats into the same groove and mating surface as the original, so installation is straightforward without resizing or shimming.
- Broad PT6Y and PT6YT Fitment — Confirmed fit across PT6Y-SA, PT6YT, PT6Y-AU, PT6YT-IN, PT6Y, and PT6Y EPA T4 series pumps.
- Prevents Fluid Bypass and Pressure Loss — A correctly seated O-Ring maintains the internal pressure boundary of the pump; a worn or cracked seal allows fluid to bypass, reducing pump output and potentially contaminating surrounding components.
- Genuine Wacker Neuson OEM Part — Supplied as an authorized OEM component under part number 5100071018, so you know it matches what the pump was built with.
An O-Ring creates a static or dynamic seal between two mating surfaces, preventing fluid or air from escaping the pressurized zone inside the pump. In a trash pump like the PT6Y series, intact O-Rings are critical to maintaining prime, sustaining flow rate, and keeping internal fluid where it belongs. When an O-Ring degrades — through heat cycling, chemical exposure, or mechanical wear — it loses its ability to conform to the mating surfaces, leading to visible leakage, loss of suction, or reduced discharge pressure. Replacing a worn O-Ring promptly restores the sealed system and protects the surrounding components from secondary damage caused by fluid escape.
Part Details
| Part Number | 5100071018 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | O-Ring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PT6Y | PT6Y-SA | 5100070835 |
| PT6YT | PT6YT | 5100070966 |
| PUMP PT6Y-AU | PT6Y-AU | 5100076956 |
| PT6YT | PT6YT-IN | 5100077923 |
| PT6Y | PT6Y | 5100064168, 5100069617 |
| PT6Y | PT6Y EPA T4 | 5100073464 |
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.