Wacker Neuson 5000176337 Spline Nut Burner AFG Fuel Con
Wacker Neuson

Wacker Neuson 5000176337 Spline Nut Burner AFG Fuel Con

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SKU:
5000176337-Wacker Neuson
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The Wacker Neuson is a genuine OEM Spline Nut Burner AFG Fuel Con designed for the E-Series hydronic surface heaters and ground heaters, as well as HI-Series indirect-fired air heaters. Sourced directly from Wacker Neuson, this part meets the exact specifications of the original component installed at the factory. Confirmed fitment spans a wide range of models including the E1100, E2200, E3000, E3000ES, E5000, E1250S, E1250B, E1250P, Pureheat, HI750D, HI750G, HI750GM, HI750GMHD, HI900D, HI900DGM, HI1000, and HI1000DGM — making one of the most broadly applicable burner fuel connection nuts in the Wacker Neuson heating line.

Key Features

  • OEM-Grade Fuel System Integrity — Manufactured to Wacker Neuson's original material and thread specifications, ensuring a leak-free, pressure-rated connection at the burner AFG fuel interface.
  • Direct Drop-In Replacement — Engineered to the same thread form and seating geometry as the original, so installation matches the existing burner fuel connection without rework or modification to adjacent fittings.
  • Broad Heater Family Coverage — Fits E-Series ground and hydronic surface heaters (E1100 through E5000) and HI-Series indirect-fired air heaters (HI750, HI900, HI1000), covering diesel burner and generator-equipped configurations.
  • Sustained Combustion Reliability — A correctly seated fuel connection nut maintains consistent fuel delivery to the AFG burner assembly; a loose or damaged nut can cause fuel leaks, burner lockout, or unreliable ignition in cold-weather operations.
  • Fuel System Safety — Proper torque retention at the burner fuel connection is critical to preventing diesel fuel weeping around the burner head, which poses a fire risk on active heating equipment. Using the correct OEM nut ensures thread engagement meets design intent.

The spline nut at the burner AFG fuel connection serves as the primary threaded fastener that secures the fuel supply line to the burner assembly on diesel-fired heating equipment. It maintains a sealed, vibration-resistant joint between the fuel delivery circuit and the burner head, allowing the heater to sustain steady combustion output. When this nut is worn, cross-threaded, or damaged, fuel can seep at the connection point, disrupting fuel pressure to the burner and creating conditions that lead to ignition failure or unsafe fuel accumulation near a heat source.

Part Details

Part Number5000176337
Old Part Number0176337
BrandWacker Neuson
Part TypeGenuine OEM
DescriptionSpline Nut Burner AFG Fuel Con

Compatibility & Fitment

Name Model Machine Number
E3000 Hydronic Surface Heater with generator E3000 5000620219, 5000620679, 5000620158, 5000620678, 5200014677, 5200004952, 5100017807, 5100017809, 5200014678, 5200014679, 5200014720, 5100017806, 5100017808, 5200014721, 5100017810, 5100017811, 5100025046, 5100055568, 5100056441, 5100017801, 5100056440, 5100025045
E2200 GROUND HEATER, W/ LIFT BAIL E2200 5000620215, 5000620176, 5000620216, 5000620226, 5100017448, 5100017449
E5000 GROUND HEATER, W/DIESEL BURNER E5000 5000620897, 5000620899
Pureheat Hydronic Heater, Oil Burner Pureheat 5000620245, 5000620190
E1250S E1250S 5200012355
E1100 GROUND HEATER E1100 5000620172, 5000620244, 5200001676
E3000 ES Hydronic Surface Heater E3000ES 5000620968, 5000620967
E12540B E1250B 5200012353
HI750 DGM HEATER-INDIRECT HI750GM 5000620859, 5000620930
Mobile Indirect Fired Air Heat er, Diesel HI750D 5000620856, 5000620923, 5000620924
HI 750GM HD-Mobile Indirect Ai r Heater-Surge, -40 HI750GMHD 5000620969
HI750G HEATER-INDIRECT HI750G 5000620857
Factory-Installed Options Factory-Installed Options 5200004152
E 1250P Hydronic Heater, Premium, Diesel E1250P 5200012357
HI1000 Indirect Air Heater, Diesel w/Tank HI1000 5200011232, 5200011233, 5100049274
HI1000 Indirect Air Heater, DGM, Electric Break HI1000DGM 5200011234, 5200011235, 5100049275, 5100049276
HI900 Heater-DGM,Srg,-40 HI900DGM 5200014221, 5200014222, 5200014165, 5200014166
HI 900D Heater-Indirect HI900D 5200014158, 5200014159, 5200014160

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.