Wacker Neuson 1000279891 Thread Plug M16

The Wacker Neuson Thread Plug M16 is a genuine OEM component designed for the PT6Y, PT6Y-AU, and PT6YT series self-priming centrifugal trash pumps. Sourced directly through Wacker Neuson's authorized parts program, the ensures a correct, original-specification fit across all covered PT6Y variants including EPA Tier 4 configurations. Whether you're servicing a standard PT6Y, an AU-spec unit, or a PT6YT model, this is the exact plug called out in the factory parts schema.

Key Features

• Genuine OEM Thread Integrity — Manufactured to the exact M16 thread specification, ensuring a leak-free, properly torqued seal without thread mismatch or cross-threading risk.
• Direct-Fit Replacement — Installs into the original threaded port with no rework, matching the factory bore and thread pitch on all compatible PT6Y models.
• Broad PT6Y Series Coverage — Fits the PT6Y, PT6Y-AU, PT6YT, PT6YT-IN, and PT6Y EPA Tier 4 variants, covering a wide range of regional and emissions configurations.
• Maintains Fluid Containment — A correctly sealed plug keeps pump fluids contained and prevents contamination ingress at the port, which is critical to sustained pump output and prime retention.
• Fuel and Fluid System Safety — On fuel or oil access ports, a properly seated threaded plug eliminates the risk of unintended leakage during operation or transport, supporting safe jobsite handling of these high-volume pumps.

A thread plug seals an access or drain port on the pump body, preventing fluid loss and keeping contaminants out of internal pump passages. On large-capacity trash pumps like the PT6Y series, maintaining a secure seal at every port is essential to preserving prime, protecting internal components, and ensuring the pump moves fluid at its rated capacity. When a thread plug is missing, damaged, or cross-threaded, fluid can leak from the port or debris can enter the pump housing, leading to loss of prime, fluid contamination, and accelerated wear on seals and impeller components.

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.