The Wacker Neuson Seal, Choke/Throttle Shaft is a genuine OEM component designed for the PTS4V series pumps. Sourced directly from Wacker Neuson, this seal carries the same part number and material specification as the original — ensuring it seats correctly on the choke and throttle shaft without the guesswork of aftermarket fitment. Verified compatibility covers PTS4V models, making it a straightforward stock item for service teams running these machines in the field.
Key Features
- OEM-Grade Seal Material — Manufactured to Wacker Neuson's original material specification, delivering the compression characteristics needed to maintain an airtight seal around the choke and throttle shaft.
- Direct-Fit Replacement — Engineered to the same dimensional profile as the original, so the seal drops onto the shaft and seats into the carburetor housing exactly as intended.
- Confirmed PTS4V Fitment — Compatible with PTS4V series pumps, giving service technicians confidence when ordering without needing to cross-reference dimensions manually.
- Restores Throttle and Choke Response — A correctly sealing shaft seal keeps air and fuel circuits isolated as designed, allowing the engine to idle smoothly and respond accurately to throttle input.
- Fuel System Integrity — A worn or cracked shaft seal allows unmetered air into the carburetor circuit, causing rough running, hard starting, or an inability to hold idle — replacing it promptly keeps the fuel system operating within its designed parameters.
The choke and throttle shaft seal sits at the point where the carburetor's control shafts pass through the carburetor body. Its job is to prevent air from leaking past the shaft and into the fuel circuit, which would upset the air-to-fuel ratio the carburetor is calibrated to deliver. When this seal deteriorates — through heat cycling, chemical exposure, or simple age — it can cause erratic idling, poor throttle response, and hard starting. Replacing it with a correctly specified seal restores the airtight barrier the carburetor needs to function as designed.
Part Details
| Part Number | 5100063251 |
|---|---|
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Seal, Choke/Throttle Shaft |
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.