The Wacker Neuson 29730 is a genuine OEM O-Ring designed for the PT3 series 75mm/3in centrifugal trash pumps. As a factory-sourced component, it is manufactured to the exact material and dimensional specifications required for proper sealing performance in Wacker Neuson pump applications. This O-Ring is confirmed to fit the PT3Y, PT3V, PT3A, PTK3, and PT3B models, making it the correct choice for scheduled maintenance or seal replacement on these units. Having the right part number on hand keeps your pump service straightforward and accurate.
Key Features
- OEM Material Specification — Manufactured to Wacker Neuson's exact compound and durometer requirements, ensuring the correct compression and chemical resistance for trash pump sealing environments.
- Drop-In Seal Replacement — Dimensioned to seat directly into the original groove geometry on PT3 series pump housings with no trimming or modification to the mating surfaces.
- Broad PT3 Series Coverage — A single part number covers the PT3Y, PT3V, PT3A, PTK3, and PT3B 75mm/3in centrifugal trash pump models, simplifying parts stocking for mixed fleets.
- Leak-Free Pump Operation — A correctly seated O-Ring maintains the internal pressure boundary of the pump volute; a worn or flattened ring leads to water ingress, loss of prime, and accelerated wear on internal components.
- Fluid Containment Integrity — In pump applications handling dirty water and debris-laden fluid, a properly rated seal prevents bypass leakage that can compromise suction efficiency and output flow.
An O-Ring in a centrifugal trash pump creates a static or dynamic seal between mating pump components — typically at the volute cover, impeller housing, or inlet/outlet connections — preventing fluid from bypassing the pressure boundary. When the ring degrades through compression set, chemical attack, or abrasion from entrained solids, the seal fails and the pump loses the ability to maintain prime or sustain discharge pressure. Replacing the O-Ring at the first sign of weeping or during routine service intervals is one of the most cost-effective ways to preserve pump output and extend the service life of surrounding components.
Part Details
| Part Number | 29730 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | O-Ring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 75mm/3in Centrifugal Trash Pum p | PT3Y | 5000007118, 5000007119 |
| 75mm/3in Centrifugal Trash Pum p | PT3V | 5000007171 |
| 75mm/3in Centrifugal Trash Pum p | PT3A | 5000006729, 5000006730 |
| 75mm/3in Centrifugal Trash Pum p Kit (without engin | PTK3 | 5000006747 |
| 75mm/3in Centrifugal Trash Pum p | PT3B | 5000006731 |
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.
