Multiquip R300529 Gasket

The Multiquip R300529 Gasket is a genuine OEM component designed for the DCA150SSJU4F, DCA180SSJU4F, DCA220SSJU4F, and DCA300SSJU4F series super-silent diesel generators. Sourced directly from Multiquip, this gasket delivers the exact material composition, thickness, and compression characteristics required for a proper seal in these units. Confirmed fitment spans both standard and 60Hz variants across the DCA super-silent generator lineup, including DCA150SSJU4F2, DCA150SSJU4F3, DCA180SSJU4F3, DCA220SSJU4F3, DCA300SSJU4F2, DCA300SSJU4F3, and DCA300SSJU4F3PD configurations. When it comes to sealing surfaces on professional-grade generator equipment, using the correct OEM part eliminates the guesswork and keeps the machine performing as intended.

Key Features

• Genuine OEM Sealing Integrity — Manufactured to Multiquip's exact material and compression specifications for this gasket application, ensuring a consistent, leak-free seal at the mating surfaces it serves.
• Direct-Fit Replacement — Matches the original gasket profile and dimensions for straightforward installation with no trimming or adjustment needed.
• Broad DCA Series Compatibility — Fits DCA150SSJU4F, DCA180SSJU4F, DCA220SSJU4F, and DCA300SSJU4F super-silent generators across multiple build variants, including 60Hz configurations and PD-spec units.
• Protects Critical Internal Surfaces — A correctly seated gasket prevents fluid or gas migration between mating surfaces, protecting internal components from contamination and premature wear.
• Fuel and Fluid System Safety — On generator applications, a failed or improperly spec'd gasket can result in leaks at fuel or coolant interfaces — using the correct OEM part reduces that risk.

A gasket creates a pressure-tight seal between two mating surfaces, preventing the passage of fluids, gases, or combustion products from one area of the machine to another. In diesel generator applications like the DCA super-silent series, gaskets are found throughout the engine, cooling, and fuel systems, and their condition is critical to safe, efficient operation. When a gasket degrades, compresses unevenly, or fails entirely, it can allow leaks that lead to overheating, fluid loss, or contamination — making timely replacement with a correctly specified part essential to keeping the generator running at full capacity.

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.