Wacker Neuson 5000154038 Reducer Fitting 1/2 x 1/4
Wacker Neuson

Wacker Neuson 5000154038 Reducer Fitting 1/2 x 1/4

$2.82
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SKU:
5000154038-Wacker Neuson
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The Wacker Neuson is a genuine OEM Reducer Fitting 1/2 x 1/4 designed for the G-Series line of portable and skid-mounted mobile generators, spanning models G50 through G240. As a factory-sourced component, matches the original specification for thread size, material, and flow path — ensuring a correct connection without adaptation. This fitting is confirmed across a broad range of G-Series configurations including standard, cold weather, custom, and Tier 3 variants. If your machine calls for part, this is the correct, direct-replacement fitting.

Key Features

  • Genuine OEM Thread Integrity — Sourced directly from Wacker Neuson, this fitting is manufactured to exact 1/2-inch to 1/4-inch NPT thread tolerances, so connections seat and seal the first time.
  • Drop-In Plumbing Match — Installs into the existing port without re-tapping, adapting, or sourcing secondary hardware — the port geometry and thread pitch match the original.
  • Broad G-Series Coverage — Confirmed fitment across G50, G70, G85, G100, G110, G120, G125, G150, G160, G180, and G240 generator models, including skid-mounted, mobile, cold weather, and custom configurations.
  • Maintains Fluid System Flow — A correctly sized reducer fitting maintains the intended pressure differential between lines; an undersized, oversized, or failed fitting can cause pressure loss, leaks, or restricted flow affecting generator operation.
  • Fuel and Fluid System Safety — Used in generator fluid line routing, a properly rated OEM fitting reduces the risk of connection failure, seepage, or leaks at the transition point between differing line sizes.

A reducer fitting transitions a fluid line from a larger diameter port to a smaller one, allowing two differently sized connections to mate securely within the generator's plumbing system. In mobile and skid-mounted generators like the G-Series, these fittings are typically found in fuel or coolant line circuits where line sizes change between components. When a reducer fitting cracks, strips, or fails to seal, the result is fluid leakage at the junction — which can lead to operational shutdowns, fluid contamination, or fire risk if the fluid involved is fuel. Replacing a worn or damaged fitting with the correct OEM part restores a leak-free, pressure-rated connection at that transition point.

Part Details

Part Number5000154038
Old Part Number0154038
BrandWacker Neuson
Part TypeGenuine OEM
DescriptionReducer Fitting 1/2 x 1/4

Compatibility & Fitment

Name Model Machine Number
Mobile Generator G85 5000009459, 5000620003, 5000009310, 5000009305, 5000009465
Mobile Generator (Cold Weather ) G120 5000620291, 5000620290, 5000620292, 5000620654, 5200001320, 5000620652, 5200006901, 5200014467, 5200014468, 5000620311, 5200014466, 5000620309, 5000620310, 5200008353, 5200008351, 5200008349, 5000620653, 5100025818, 5100025840
Skid-mounted Mobile Generator G160 5000009306, 5000620069, 5000620070
G100-GENERATOR, SKID, CUSTOM, DEERE T3 G100 5000620651, 5200001319, 5000620649, 5200006900, 5000620312, 5000620313, 5000620314, 5200008348, 5200008347, 5200008345, 5000620650, 5100025816, 5100026957, 5100026958, 5100026959, 5100029211
G150-GENERATOR, SKID, CUSTOM, DEERE T3 G150 5000620657, 5200001321, 5200006902, 5000620306, 5000620655, 5000620307, 5000620308, 5000620656, 5100026980, 5100026981, 5100026982, 5100029212, 5100025830
G180-GENERATOR, SKID, CUSTOM, DEERE T3 G180 5000620660, 5200001322, 5200006903, 5000620303, 5000620658, 5000620304, 5000620305, 5200014470, 5200014469, 5000620659, 5100025832, 5100025842
G240-GENERATOR, SKID, CUSTOM, DEERE T3 G240 5000620663, 5200001323, 5200006904, 5000620300, 5000620661, 5000620301, 5000620302, 5000620662, 5100025834
Skid-mounted Mobile Generator G50 5000009259, 5000009463, 5000009477
Skid-mounted Mobile Generator G70 5000009260, 5000009464, 5200008344, 5000009478
Mobile Generator (custom) G125 5000620067, 5000620068, 5000009261
Mobile Generator Skid Mounted G110 5000008232

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.