Wacker Neuson 5100027746 Plug Cap

The Wacker Neuson Plug Cap is a genuine OEM component designed for the IRflex series of internal concrete vibrators, including the IRflex30, IRflex38, IRflex45, IRflex58, and IRflex60 model families across both 120V US and 230V configurations. As a direct OEM replacement, this plug cap is manufactured to the exact specifications of the original part, ensuring a correct, trouble-free installation on the vibrators it was built to serve. It fits a wide range of IRflex variants spanning 5, 8, 10, 15, and high-run duty cycles, making it a versatile service part for contractors running multiple vibrator heads. Always confirm your model number against the fitment list before ordering to ensure compatibility.

Key Features

• OEM Electrical Integrity — Manufactured to Wacker Neuson's exact connector specifications, ensuring correct contact seating and a secure electrical connection at the vibrator head interface.
• Direct Drop-In Replacement — Engineered to seat and lock exactly as the original, with no trimming, adapting, or reworking of the connection point required.
• Broad IRflex Series Coverage — Compatible with IRflex30, IRflex38, IRflex45, IRflex58, and IRflex60 model families in both 120V US and 230V variants, covering a wide range of head sizes and duty ratings.
• Protects Power Delivery to the Vibrator Head — A sound plug cap maintains a consistent, uninterrupted power transfer to the vibrator motor; a damaged or failed cap causes intermittent operation or complete loss of vibration output.
• Electrical Safety at the Connection Point — The plug cap forms the primary sealed interface between the power supply and the vibrator head — using a correctly rated OEM part here is essential for safe operation in wet concrete environments.

The plug cap serves as the electrical connection point between the power cord or drive unit and the internal vibrator head. It houses and protects the contacts that carry power to the vibrator motor, and its housing seals the connection against moisture and contaminants encountered during concrete placement. When the plug cap becomes cracked, corroded, or worn, the electrical connection becomes unreliable — resulting in intermittent vibration, reduced consolidation performance, or a complete failure to operate, all of which can compromise the quality of the concrete pour.

Part Details

Compatibility & Fitment

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.