Wacker Neuson 5000159378 Fitting 3/8 NPTF 3/8 BSPT Male
Wacker Neuson

Wacker Neuson 5000159378 Fitting 3/8 NPTF 3/8 BSPT Male

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SKU:
5000159378-Wacker Neuson
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The Wacker Neuson is a genuine OEM Fitting 3/8 NPTF 3/8 BSPT Male designed for the G25 and G50 portable generator series as well as LTW20Z1 and LTW20Z3 light towers. As a direct OEM part, the is manufactured to the same specifications as the original component installed at the factory, ensuring a proper thread-to-thread connection with no guesswork on compatibility. This fitting serves a wide range of G25 and G50 configurations — including standard, cold weather, extended run, custom, and 600V Tier 4 Final variants — making it a versatile stock item for fleets running multiple machine configurations. Confirm your machine's model number against the fitment list before ordering to ensure an exact match.

Key Features

  • Dual-Standard Thread Compatibility — Combines a 3/8 NPTF male end with a 3/8 BSPT male end, bridging US and international pipe thread standards in a single fitting for correct fluid or fuel system connections.
  • Genuine OEM Part — Sourced directly from Wacker Neuson, this fitting is manufactured to the exact thread pitch, taper, and sealing specification of the original, eliminating the risk of cross-threading or connection leaks.
  • Broad G25 and G50 Generator Coverage — Fits an extensive range of G25 and G50 generator variants including standard, cold weather, extended run, custom, battlefield, URI HVAC, Hertz, and 600V Tier 4 Final configurations.
  • Light Tower Fitment Included — Also fits LTW20Z1 and LTW20Z3 light towers in standard, cold weather, custom, LED, MH, and RFR variants, making this a cross-platform part for mixed fleets.
  • Leak-Free Fuel or Fluid Routing — A correctly seated fitting maintains pressure integrity in the fuel or coolant circuit; a worn, cross-threaded, or mismatched fitting risks fluid loss, engine damage, or unplanned downtime on a live jobsite.
  • Fuel System Critical — As part of a pressurized fuel or fluid pathway on generator and light tower equipment, this fitting must meet correct sealing standards; an OEM-spec part ensures safe, compliant operation of the fuel circuit.

A pipe fitting of this type serves as a threaded connection point within the machine's fuel delivery, coolant, or fluid transfer circuit. The dual-thread design — NPTF on one side and BSPT on the other — allows the machine's plumbing to transition between thread standards, maintaining a pressure-tight seal throughout the system. When a fitting becomes worn, cracked, or develops a compromised thread, it can allow fluid to escape the circuit, leading to fuel system pressure loss, contamination, or potential fire risk if fuel contacts hot engine surfaces.

Part Details

Part Number5000159378
Old Part Number0159378
BrandWacker Neuson
Part TypeGenuine OEM
DescriptionFitting 3/8 NPTF 3/8 BSPT Male

Compatibility & Fitment

Name Model Machine Number
G25 Generator, Custom T4i G25 5000620642, 5000620709, 5000620641, 5000620931, 5200009372, 5200009376, 5200009370, 5200009371, 5200009373, 5200009377, 5200014461, 5200009375, 5200009374, 5200014462, 5100041584, 5200022587, 5100045084, 5100041580, 5100041592, 5200003991, 5100017591, 5100022834, 5100041581, 5100041582, 5100041583, 5100045541, 5100045542, 5100050326, 5000009462, 5000009476, 5100042510, 5100042512, 5100042509, 5100025836, 5100042508
G50 Generator, Custom T4F G50 5200014322, 5200014319, 5200014320, 5200014323, 5200017829, 5200022589, 5100042434, 5200017830, 5100042430, 5100042435, 5100045494, 5100042431, 5100042433, 5100045085, 5100045493, 5100042432
LTW20Z1, LED LTW20Z1 5100051572, 5100051571, 5200014324, 5200014326, 5200018239, 5200014328
LTW20Z-3 Light Tower, Standard T4 LTW20Z3 5200014325, 5200014327, 5200023604, 5200014329

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.