Wacker Neuson 5100000390 Gasket — Genuine OEM Replacement

The Wacker Neuson Gasket is a genuine OEM component designed for a wide range of Wacker Neuson construction equipment, including CT36 and CT48 walk-behind trowels, PT3A centrifugal trash pumps, BFS floor saws, BPU vibratory plates, GV and GP portable generators, HPG truss screeds, and BT48A compactors. As a factory-sourced part, the is manufactured to the same specifications as the original, ensuring a correct, consistent seal every time. This gasket fits across an extensive list of models, making it a go-to stocking part for shops and crews running mixed Wacker Neuson fleets. Confirm your model number against the fitment list before ordering to ensure compatibility.

Key Features

• Genuine OEM Sealing Integrity — Manufactured by Wacker Neuson to original compression and material tolerances, so the gasket seats and seals exactly as intended — no trimming, shimming, or improvising.
• Direct Drop-In Replacement — Matches the original gasket profile for straightforward installation during routine service or repair, fitting the mating surfaces without rework.
• Broad Fleet Compatibility — Fits CT36 and CT48 trowels, PT3A trash pumps, BFS 914 and BFS 940 floor saws, BPU vibratory plates, GV/GP generators, HPG screeds, and more — one part number spanning multiple machine families.
• Leak-Free Engine and Pump Performance — A correctly seated gasket maintains proper compression and fluid containment, preventing oil, fuel, or coolant seepage that can lead to overheating, loss of power, or engine damage.
• Fuel System Integrity — On pump and engine applications, a failed gasket can allow fuel or exhaust gases to escape at the joint face; using the correct OEM-spec replacement keeps those connections properly sealed and the machine safe to operate.

A gasket is a static sealing component placed between two mating surfaces — such as an engine block and cover, carburetor body, or pump housing — to prevent fluids or gases from escaping the joint. It works by compressing between those surfaces to fill microscopic gaps and maintain a leak-tight barrier under heat and pressure. When a gasket deteriorates, warps, or fails, the result is typically visible leaks, loss of operating pressure, rough running, or engine damage — making timely replacement essential to keeping equipment in service.

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.