Wacker Neuson 5200002317 Limiter Cap

The Wacker Neuson Limiter Cap is a genuine OEM component designed for PTS4V trash pumps and GPS9700 portable generators. As a direct OEM replacement, this part is manufactured to the same specifications as the original, ensuring a proper fit and correct function right out of the box. Verified fitment covers the PTS4V, PTS4V(I), and GPS9700 series, including EPA-compliant and premium portable generator configurations. Keep a spare on hand to avoid unnecessary service delays during critical operations.

Key Features

• Genuine OEM Construction: — Manufactured to original Wacker Neuson tolerances, ensuring the cap seats and seals exactly as intended on the carburetor or fuel system assembly — no guesswork on fit or function.
• Direct Drop-In Replacement: — Matches the original mounting interface on PTS4V and GPS9700 models, allowing straightforward installation without modification to surrounding components.
• Broad Series Fitment: — Confirmed compatible with PTS4V, PTS4V(I), and multiple GPS9700 configurations, including EPA-compliant and premium portable generator variants.
• Protects Fuel Mixture Calibration: — The limiter cap restricts adjustment range on the fuel mixture screw, keeping the air-fuel ratio within the correct operating band for consistent engine performance and emissions compliance.
• Emissions System Integrity: — Replacing a missing or damaged limiter cap is essential on EPA-compliant machines to maintain proper mixture settings and meet emissions requirements.

A limiter cap is a small but critical component fitted over the fuel mixture adjustment screw on a carburetor. Its role is to restrict how far the mixture screw can be turned, preventing over-rich or over-lean adjustments that can cause rough running, hard starting, or excessive emissions. On EPA-compliant equipment like the GPS9700V generator, a properly installed limiter cap is also necessary to keep the engine operating within regulated emissions limits. When this cap is missing, cracked, or damaged, the mixture screw becomes fully exposed to unintended adjustment, which can knock the engine out of its optimal fuel calibration and lead to performance issues or regulatory non-compliance.

Part Details

Compatibility & Fitment

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.

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