The Wacker Neuson Cap Plug is a genuine OEM component designed for a wide range of PT2 and PT3 series self-priming centrifugal trash pumps and GP/GPS series portable generators. As a factory-sourced part, the meets the exact dimensional and material specifications Wacker Neuson set at the time of manufacture. Compatible models span the PT2A, PT2H, PT2R, PT2V, PT3A, PT3H, PT3V, PT3Y, GPS8500, GPS9700, GS series, and G series portable generators, making this one of the most broadly applicable service parts in the Wacker Neuson catalog. When replacement is needed, ordering by part number ensures you receive the correct plug without guesswork.
Key Features
- Genuine OEM Material Integrity — Manufactured to Wacker Neuson's original material specification, ensuring the plug seats and seals correctly against the port surface without distortion or premature degradation.
- Drop-In Port Fit — Dimensioned to match the original port opening exactly, so installation requires no trimming, adapters, or rework — the plug presses or threads into place as designed.
- Broad Cross-Series Compatibility — Fits PT2 and PT3 trash pump families (PT2A, PT2H, PT2R, PT2V, PT3A, PT3H, PT3V, PT3Y) as well as GPS8500, GPS9700, GS series, and G series portable generators across multiple model years.
- Port Protection Where It Counts — Keeps unused or service ports sealed against dirt, debris, and moisture ingress — critical on pump and generator equipment operating in wet, muddy, or outdoor environments.
- Fuel and Fluid System Safety — On trash pumps and generators, an unsealed or improperly fitted port plug can allow contaminants into fuel or fluid passages; using the correct OEM plug maintains system integrity and prevents contamination-related damage.
A cap plug is a simple but essential sealing component used to close off open ports, passages, or fittings on pumps and power equipment. On Wacker Neuson trash pumps and portable generators, these plugs prevent dust, moisture, and debris from entering fuel lines, priming ports, or fluid passages during storage, transport, or between service intervals. A missing or ill-fitting plug may allow contamination that leads to fuel system blockages, pump cavitation, or corrosion inside critical passages — problems that are far more costly to address than a straightforward plug replacement.
Part Details
| Part Number | 5000086045 |
|---|---|
| Old Part Number | 0086045 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Cap Plug |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PT3H Pump | PT3H | 5000009100, 5000009103, 5100014963, 5100014964 |
| PT2H Pump | PT2H | 5000009094, 5000009097, 5000009239 |
| 75mm/3in Centrifugal Trash Pum p | PT3A | 5000009098, 5000009101, 5000009240, 5000620800 |
| G 7AI | G7AI | 5000009104 |
| PT2A Pump | PT2A | 5000009092, 5000009095, 5000009237 |
| PT3 Pump | PT3 | 5000009321, 5000620726, 5000009322, 5000009323 |
| PT2 Pump | PT2 | 5000009318, 5000009319, 5000009320 |
| Portable Generator with Electr ic Start | GPS9700 | 5000008287, 5000620264, 5200005042, 5000620973, 5100036768 |
| Portable Generator with Electr ic Start | GPS8500 | 5000008286 |
| Portable Generator with Electr ic Start | GS8.5V | 5000007661 |
| Portable Generator with Electr ic Start | GS9.7V | 5000007662 |
| 50Hz Portable Generator | G3.3A | 5000008257, 5000008253, 5000008255, 5000008251 |
| 50Hz Portable Generator | G3.3AE | 5000008258, 5000008252, 5000008254, 5000008256, 5000008259 |
| 50Hz Portable Generator with E lectric Start | GS5.7AE | 5000008285 |
| Portable Generator with Electr ic Start | GS5.6A | 5000007191, 5000008046 |
| 50Hz Portable Generator | G4.6A | 5000008266, 5000008262, 5000008264, 5000008260 |
| 50Hz Portable Generator | G4.6AE | 5000008267, 5000008261, 5000008263, 5000008265, 5000008268 |
| 50Hz Portable Generator with E lectric Start | GS4.6A | 5000008275, 5000008271, 5000008273, 5000008269 |
| 50Hz Portable Generator with E lectric Start | GS4.6AE | 5000008276, 5000008270, 5000008272, 5000008274, 5000008277 |
| 50Hz Portable Generator with E lectric Start | GS5.7A | 5000008284 |
| Portable Generator | G3.7A | 5000007189, 5000008044 |
| Portable Generator | G5.6A | 5000007190, 5000008045, 5000009431, 5000620008 |
| 50Hz Portable Generator | G5.7AE | 5000009019, 5000009017 |
| 50Hz Portable Generator | G5.7A | 5000009018, 5000009016 |
| 75mm/3in Centrifugal Trash Pum p | PT3Y | 5000007118, 5000007119 |
| 75mm/3in Centrifugal Trash Pum p | PT3V | 5000007171, 5000009102 |
| 50mm/2in Centrifugal Trash Pum p | PT2R | 5000007160, 5000006790 |
| 50mm/2in Centrifugal Trash Pum p | PT2V | 5000009238, 5000009093, 5000009096 |
| 50Hz Portable Generator 12 kVA | GS12Ai | 5000009108 |
| Portable Generator, 50Hz | G3.3AI | 5000009036 |
| Portable Generator with Electr ic Start, 50Hz | GS5.7AI | 5000009039 |
| Portable Generator, 50Hz | G5.7AI | 5000009040 |
| 50Hz Portable Generator with E lectric Start | GS5.5A | 5000007105 |
| Portable Generator, 50Hz | G4.6AI | 5000009037 |
| 50Hz Portable Generator with E lectric Start | GS4.6AI | 5000009038 |
| Portable Generator | G3.3AIT | 5000009460 |
| Portable Generator | G4.6AIT | 5000009461 |
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.
