Multiquip Y0603306793 Square Head Pipe Plug 1/2"

The Multiquip Y0603306793 is a genuine OEM Square Head Pipe Plug 1/2" designed for DCA series ultra-silent and super-silent diesel generators, including the DCA125SSIU4F, DCA150SSJU4F, DCA180SSJU4F, DCA220SSJU4F, DCA300SSJU4F, DCA20SPXU4F, DCA25SSIU4F, DCA36SPXU4F, DCA40SSKU4F, DCA45SSIU4F, DCA70SSIU4F, and related variants. As a direct Multiquip OEM component, Y0603306793 is manufactured to the same specification as the original part, ensuring a correct, leak-free installation in the generator's fluid system. DHS Equipment supplies this part ready to ship, backed by Multiquip's OEM parts network.

Key Features

• OEM-Spec Thread Form: — Manufactured to exact 1/2" square head pipe plug dimensions, ensuring full thread engagement and a proper fluid-tight seal in the generator housing.
• Direct Installation Fit: — Replaces the original plug without rework or thread chasing; seats and torques exactly as the factory-installed component.
• Broad DCA Series Compatibility: — Confirmed fitment across DCA125, DCA150, DCA180, DCA220, DCA300, DCA20, DCA25, DCA36, DCA40, DCA45, and DCA70 series diesel generators, including Tier 4 Final variants.
• Leak Prevention: — A correctly seated pipe plug prevents fluid loss from the generator's oil or coolant ports, protecting internal engine components from contamination or dry-running damage.
• Genuine OEM Part: — Sourced directly through Multiquip's OEM supply chain, so part number Y0603306793 traces back to the original engineering specification — not an approximation.

A square head pipe plug is a threaded closure fitting used to seal unused or service ports in an engine or fluid circuit — in this case, within the generator's lubrication or coolant system. The square drive head allows for high-torque installation and removal using standard hand tools, making it straightforward to service in the field. When a pipe plug fails, cracks, or is missing, fluid can leak from the port, leading to pressure loss, contamination ingress, or low-fluid conditions that can cause serious engine damage if left unchecked.

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.