The Wacker Neuson Main Jet is a genuine OEM component designed for the PTS4V series water pumps. As a direct-source OEM part, it is manufactured to the same specification as the original — ensuring the carburetor meters fuel at the precise flow rate the engine requires. This main jet is confirmed to fit PTS4V models across multiple configurations, making it a straightforward, confidence-backed replacement for worn or damaged units.
Key Features
- Calibrated Fuel Metering: — Manufactured to the original orifice specification, this main jet delivers the exact fuel-to-air ratio the PTS4V engine depends on for consistent power output.
- Genuine OEM Sourcing: — Supplied directly from Wacker Neuson, this part carries the same part number — 5100063225 — as the component installed at the factory, so there is no guesswork on fitment.
- Drop-In Carburetor Fit: — Threads directly into the carburetor body using the original seat and sealing interface, requiring no modification to the fuel circuit.
- PTS4V Series Compatibility: — Verified fit across PTS4V pump variants, covering multiple build configurations within the series.
- Fuel System Integrity: — A correctly sized main jet protects the engine from running lean or rich — both conditions that accelerate wear, cause rough operation, or result in hard starting on pump equipment.
The main jet is a small but critical component inside the carburetor that controls how much fuel enters the engine under load. It works by allowing a precisely sized volume of fuel to mix with incoming air before combustion — too large an orifice and the engine runs rich and loses efficiency; too small and it runs lean, risking overheating and power loss. When a main jet becomes clogged, corroded, or worn, the engine will typically stumble under load, idle poorly, or fail to reach full operating speed, signaling that replacement is needed.
Part Details
| Part Number | 5100063225 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Main Jet |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| PTS4V | PTS4V | 5100058545, 5100058546, 5100060386 |
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.
