The Wacker Neuson Muffler Gasket is a genuine OEM muffler gasket designed for PT3A and PT4A series centrifugal trash pumps, including the PT4A(I) model. As a direct OEM part, it is manufactured to the exact material grade and compression specification required to maintain a proper exhaust seal on these pumps. Fitment covers the PT3A 75mm/3-inch centrifugal trash pump variants as well as the PT4A and PT4A(I) models. Keep a spare on hand to avoid unplanned interruptions during demanding dewatering or site drainage work.
Key Features
- OEM Exhaust Sealing Material: — Manufactured to the exact compression and heat-resistance grade specified for the PT3A and PT4A muffler interface — not a generic gasket substitute.
- Drop-In Muffler Replacement: — Seats directly against the muffler mounting flange on PT3A and PT4A pumps with no trimming or modification to the exhaust assembly.
- Broad PT-Series Fitment: — Compatible across the PT3A (75mm/3-inch) and PT4A pump families, including the PT4A(I) variant, covering a wide range of Wacker Neuson trash pump configurations.
- Exhaust Integrity Restored: — A failed or crushed muffler gasket allows exhaust gases to escape at the joint, reducing back-pressure performance and exposing operators to fumes; this OEM replacement restores a fully sealed exhaust path.
- Operator Safety Compliance: — A correctly sealed muffler joint prevents exhaust leak exposure at the pump housing, an important consideration when operating in enclosed or semi-enclosed dewatering environments.
The muffler gasket forms the sealing layer between the engine exhaust port and the muffler body, preventing hot exhaust gases from escaping at the joint. Without a sound gasket, exhaust leaks at the flange can reduce engine efficiency, produce excess noise, and direct fumes toward the operator or nearby workers. Over time, heat cycling and vibration compress and degrade the gasket material, making it a routine service item that should be inspected whenever the muffler is removed for cleaning or replacement.
Part Details
| Part Number | 5200001261 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Muffler Gasket |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| 75mm/3in Centrifugal Trash Pum p | PT3A | 5000009098, 5000009101, 5000009240, 5000620800 |
| PT4A | PT4A | 5100042217, 5100042604 |
| PT4A(I) | PT4A(I) | 5100042615 |
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.
