Wacker Neuson 5000165181 1/8 NPT x 1/8 Barb Fitting

The Wacker Neuson is a genuine OEM 1/8 NPT x 1/8 Barb Fitting designed for BS50-4s and BS60-4s series vibratory rammers. As a factory-sourced component, it is manufactured to the exact thread form, barb diameter, and material specification used in original production, ensuring a secure, leak-free connection in the fuel or fluid line circuit. This fitting is confirmed compatible across a wide range of BS50-4, BS50-4s, BS60-4, and BS60-4s model configurations, including EU variants, making it a go-to service part for technicians maintaining these four-stroke gasoline rammers in the field or shop.

Key Features

• Exact Thread and Barb Specification — Machined to the correct 1/8 NPT male thread and 1/8 in. barb profile, so the fitting seats and seals properly without re-tapping or shimming.
• Genuine OEM Component — Sourced directly from Wacker Neuson, this fitting carries the same material grade and dimensional tolerances as the part installed at the factory, guarding against seepage or pressure loss in the fluid circuit.
• Broad BS-Series Compatibility — Fits BS50-4, BS50-4s, BS60-4, BS60-4s, and corresponding EU-variant rammers, covering a large portion of the four-stroke vibratory rammer lineup in a single part number.
• Maintains Fluid Circuit Integrity — A correctly installed fitting keeps fuel or fluid routed at the right pressure and flow rate; a cracked or stripped fitting can cause fluid loss, air ingestion, or engine starvation on the rammer.
• Direct Service Replacement — Installs in the same threaded port as the original, with standard NPT engagement, so replacement requires only basic hand tools and no additional hardware.

The 1/8 NPT x 1/8 Barb Fitting is a small but critical connector used to transition between a threaded port on the engine or housing and a flexible hose or tubing line in the rammer's fluid circuit. The NPT (National Pipe Taper) thread creates a pressure-resistant mechanical seal when torqued into the receiving boss, while the barbed end grips the inside of a hose to prevent pull-off and resist leakage under vibration. On a high-cycle machine like a vibratory rammer — where constant percussion and engine vibration place ongoing stress on every connection — a worn, cracked, or cross-threaded fitting can allow air into the fuel system or cause fluid to weep, leading to hard starting, erratic engine behavior, or accelerated wear. Replacing a damaged fitting promptly with the correct OEM part restores the sealed, uninterrupted flow the engine depends on.

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.

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