Wacker Neuson 5000159864 Adapter M18 Male X 3/8 NPTF
Wacker Neuson

Wacker Neuson 5000159864 Adapter M18 Male X 3/8 NPTF

$9.17
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SKU:
5000159864-Wacker Neuson
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The Wacker Neuson is a genuine OEM Adapter M18 Male X 3/8 NPTF designed for the G-Series mobile and skid-mounted generator lineup, covering models from the G25 through the G240. As a direct OEM replacement sourced through the Wacker Neuson parts network, this adapter is produced to the same specification as the original component installed at the factory. Fitment spans an extensive range of G-Series configurations including standard, cold weather, extended run tank, and custom skid variants across the G25, G50, G70, G85, G100, G120, G125, G150, G180, and G240 model families. Always confirm your machine's model number and serial number before ordering to ensure correct application.

Key Features

  • OEM Thread Specification: — M18 male thread on one end and 3/8 NPTF on the other — both ends are produced to OEM tolerances so the adapter seals correctly without thread damage or cross-threading.
  • Drop-In Installation: — Matches the original port geometry on G-Series generator fuel or fluid systems, connecting directly to existing lines and fittings without additional modification to surrounding hardware.
  • Broad G-Series Coverage: — Compatible with a wide range of Wacker Neuson G25 through G240 mobile and skid-mounted generators including standard, cold weather, custom, and extended run tank configurations.
  • Leak-Free Fluid Path: — A correctly fitted adapter maintains a sealed connection in the fuel or fluid circuit; a worn, cracked, or mismatched adapter can introduce air or allow fluid seepage that disrupts generator operation.
  • Genuine OEM Part: — Supplied as a genuine Wacker Neuson replacement, ensuring the adapter meets the same material and dimensional standards as the part it replaces.

A threaded adapter like the 5000159864 serves as the transition fitting between two different thread standards — in this case, a metric M18 male thread and a 3/8 NPTF (National Pipe Taper Fuel) female port. On portable generator systems, these adapters are commonly found in fuel delivery, fluid cooling, or auxiliary connection points where metric engine or pump components interface with NPT-standard fittings or hose connections. When an adapter is damaged, corroded, or cross-threaded, the result is an unreliable seal that can allow fuel or fluid to escape, introduce air into the circuit, or make it impossible to properly torque downstream fittings — any of which can take a generator out of service.

Part Details

Part Number5000159864
Old Part Number0159864
BrandWacker Neuson
Part TypeGenuine OEM
DescriptionAdapter M18 Male X 3/8 NPTF

Compatibility & Fitment

Name Model Machine Number
Skid-mounted Mobile Generator, Custom G70 5000620352, 5000620351, 5000009468, 5000620002, 5000620648, 5000620647, 5000620711, 5000620646, 5200003220, 5200006879, 5200014464, 5200014465, 5200008344, 5200008342, 5200008339, 5200008341, 5200008340, 5000009464, 5000009478, 5100025814, 5100025838
Skid-mounted Mobile Generator G50 5000009467, 5000620001, 5200001062, 5200001063, 5200006878, 5200001061, 5000620710, 5000620964, 5000620965, 5000620966, 5000009463, 5000009477, 5100025812, 5100029210, 5100026955, 5100026956
Mobile Generator G85 5000009459, 5000620003
Mobile Generator (Cold Weather ) G120 5000620291, 5000620292, 5000620654, 5000620653, 5200006901, 5200003159, 5200014467, 5200014468, 5000620311, 5000620310, 5200008350, 5200008351, 5100025818, 5100025840
Mobile Generator (custom) G160 5000620069, 5000620070
G100-GENERATOR, SKID, CUSTOM, DEERE T3 G100 5000620651, 5000620650, 5200003158, 5200006900, 5000620313, 5000620314, 5200008346, 5200008347, 5100025816, 5100026958, 5100026959, 5100029211
G150-GENERATOR, SKID, CUSTOM, DEERE T3 G150 5000620657, 5200001321, 5200006902, 5000620656, 5200003160, 5000620307, 5000620308, 5200025554, 5100026981, 5100026982, 5100029212, 5100025830
Mobile Generator G25 5200003991
G180-GENERATOR, SKID, CUSTOM, DEERE T3 G180 5000620660, 5200001322, 5200006903, 5000620659, 5200003161, 5000620304, 5000620305, 5200014470, 5200014471, 5200025555, 5100025832, 5100025842
G240-GENERATOR, SKID, CUSTOM, DEERE T3 G240 5000620663, 5200001323, 5200006904, 5000620662, 5200003162, 5000620301, 5000620302, 5200025556, 5100025834
Mobile Generator (custom) G125 5000620067, 5000620068
E3000 E3000 5100056441

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.