Wacker Neuson 5000017326 Screw M4X16 Countersunk
Wacker Neuson

Wacker Neuson 5000017326 Screw M4X16 Countersunk

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5000017326-Wacker Neuson
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The Wacker Neuson Screw M4X16 Countersunk is a genuine OEM fastener designed for the IRFUN and IRSEN-FU series internal concrete vibrators. Sourced directly from Wacker Neuson, this OEM screw meets the exact dimensional and material standards required for proper assembly and secure operation of your vibrator unit. Compatible with a wide range of 38 mm, 45 mm, and 57 mm IRFUN and IRSEN-FU inverter vibrator models across 115 V and 230 V configurations, this fastener covers one of the broadest fitment ranges in the Wacker Neuson internal vibrator lineup. Having the correct replacement screw on hand means your vibrator head or housing stays properly secured and ready for the next pour.

Key Features

  • Genuine OEM Thread Integrity — Manufactured to exact M4x16 countersunk specifications, ensuring correct clamping force and flush seating in the housing without overtorque risk.
  • Drop-In Installation — Countersunk head profile seats flush against the mating surface, matching the original fastener geometry for a clean, tool-ready install.
  • Broad IRFUN and IRSEN-FU Compatibility — Fits 38 mm, 45 mm, and 57 mm IRFUN and IRSEN-FU inverter vibrator models in both 115 V and 230 V configurations, including GV and Laser variants.
  • Housing Integrity Maintained — A loose or incorrect fastener in a concrete vibrator housing can allow ingress of slurry and moisture; the correct OEM screw keeps the enclosure sealed and structurally sound.
  • Electrical Safety Relevance — Proper fastener torque in vibrator housings is critical to maintaining the protective enclosure around internal electrical components, reducing the risk of exposure in wet concrete environments.

A countersunk screw in a concrete vibrator serves as a structural fastener that holds housing panels, motor enclosures, or head assemblies together in precise alignment. Because internal vibrators operate submerged in wet concrete, every fastener in the assembly plays a role in keeping moisture and abrasive slurry away from electrical components and moving parts. When a screw loosens, strips, or corrodes, it can compromise the seal of the housing, leading to premature failure of internal components or creating an unsafe electrical condition during operation.

Part Details

Part Number5000017326
Old Part Number0017326
BrandWacker Neuson
Part TypeGenuine OEM
DescriptionScrew M4X16 Countersunk

Compatibility & Fitment

Name Model Machine Number
57 mm Internal Vibrator Invert er IRFUN 57/115 5000008482, 5000008481
Ø 57 mm Internal Vibrator Inve rter, Rubber Tip IRFUN 57/115 GV 5000008724, 5000008628
Int.Vib. IRSEN-FU 57/230 IRSEN-FU 57/230 5000008725
Int.Vib. IRSEN-FU 57/230 Laser IRSEN-FU 57/230 Laser 5000008728
IRSEN-FU 115V 60HZ 57 IRSEN-FU 57/115 5000008923
Ø 57 mm Internal Vibrator Inve rter IRFUN 57 5000007958
38 mm Internal Vibrator Invert er, short IRFUN 57k 5000008464, 5000008636
38 mm Internal Vibrator Invert er IRFUN 38/115 5000008495, 5000008494
45 mm Internal Vibrator Invert er IRFUN 45/115 5000008497, 5000008496, 5000008773
Internal Vib. IRFUN 57/230 WSZ IRFUN 57/230 5000008613
Internal vib. IRFUN 57k/115 GV IRFUN 57k/115 GV 5000008629
Internal vib. IRFUN 57 GV IRFUN 57 GV 5000008632, 5000008637
Internal vib. IRFUN 57k GV IRFUN 57k GV 5000008633, 5000008638
Ø 38 mm Internal Vibrator Inve rter, Rubber Tip IRFUN 38/115 GV 5000008722, 5000008631
Ø 45 mm Internal Vibrator Inve rter, Rubber Tip IRFUN 45/115 GV 8m 5000008723, 5000008775
Int. Vib. IRSEN-FU 45/230 IRSEN-FU 45/230 5000008726
Int.Vib. IRSEN-FU 38/230 IRSEN-FU 38/230 5000008727
Int.Vib. IRSEN-FU 45/230 Laser IRSEN-FU 45/230 Laser 5000008729
Int.Vib. IRSEN-FU 38/230 Laser IRSEN-FU 38/230 Laser 5000008730
Ø 38 mm Internal Vibrator Inve rter, short IRFUN 57/115 8m 5000008777, 5000008928
Ø 38 mm Internal Vibrator Inve rter, short IRFUN 57/115 10m 5000008778
Ø 57 mm Internal Vibrator Inve rter, Rubber Tip IRFUN 57/115 GV 8m 5000008779
Ø 57 mm Internal Vibrator Inve rter, Rubber Tip IRFUN 57/115 GV 10m 5000008780
Int. Vib. IRSEN-FU 38/115 WGB IRSEN-FU 38/115 WGB 5000008921
Int. Vib. IRSEN-FU 45/115 WGB IRSEN-FU 45/115 WGB 5000008922
Ø 38 mm Internal Vibrator Inve rter IRFUN 38 5000007956
Ø 45 mm Internal Vibrator Inve rter IRFUN 45 5000007957
Internal Vib. IRFUN 38/230 WSZ IRFUN 38/230 5000008611
Internal Vib. IRFUN 45/230 WSZ IRFUN 45/230 5000008612
Internal vib. IRFUN 45/115 GV IRFUN 45/115 GV 5000008630
Internal vib. IRFUN 45 GV IRFUN 45 GV 5000008634, 5000008639
Internal vib. IRFUN 38 GV IRFUN 38 GV 5000008635, 5000008640
Ø 38 mm Internal Vibrator Inve rter IRFUN 38/115 8m 5000008769
Ø 38 mm Internal Vibrator Inve rter IRFUN 38/115 10m 5000008770
Ø 38 mm Internal Vibrator Inve rter, Rubber Tip IRFUN 38/115 GV 8m 5000008771
Ø 38 mm Internal Vibrator Inve rter, Rubber Tip IRFUN 38/115 GV 10m 5000008772
Ø 45 mm Internal Vibrator Inve rter IRFUN 45/115 10m 5000008774
Ø 45 mm Internal Vibrator Inve rter, Rubber Tip IRFUN 45/115 GV 10m 5000008776
External Vib. ARFU 36/6/230 ARFU 36/6/230 5000610000
ARFU 36/6/115/US EXT. VIBRATOR ARFU 36/6/115 5000610002, 5000610003
Int. Vib. w. inverter IRFU 57 IRFUN 57/230 7m 5000610107
Int.Vib.w.conv.IRFUN 57-8m IRFUN 57/230 8m 5000610108
Int.Vibrator IRFUN 45 - 7m IRFUN 45/230 7m 5000610109
Internal Vibrator IRFUN 45/230 8m 5000610110
IRSEN FU57,115/60HZ,1 METER IRSEN-FU 57/115 WC 5000610153
IRSEN FU45,115/60HZ,1 METER IRSEN-FU 45/115 WC 5000610154
IRSEN FU38,115/60HZ,1 METER IRSEN-FU 38/115 WC 5000610155

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.