Multiquip 0150000016 O-Ring

The Multiquip 0150000016 O-Ring is a genuine OEM sealing component designed for a wide range of Multiquip DCA series super-silent and ultra-silent diesel generators, as well as the DIS185SSI4F air compressor. As a direct OEM replacement, this O-Ring is manufactured to the exact material and dimensional specifications required by Multiquip, ensuring a proper seal every time. Compatible models include the DCA10SPX4, DCA25SSIU4F, DCA45SSIU4, DCA70SSIU, DCA125SSIU, DCA150USJ, DCA180SSJU, MQP56, and many additional DCA and DIS series units. When replacing sealing components, using the correct OEM part is critical — an improperly fitting O-Ring can lead to fluid or air leaks that compromise machine performance and lead to costly repairs.

Key Features

• Genuine OEM Sealing Material — Manufactured to Multiquip's exact compound and durometer specifications, delivering the compression and chemical resistance required for generator and compressor sealing applications.
• Drop-In Replacement — Matches the original groove dimensions and cross-section profile for a direct, tool-assisted seat into the existing hardware with no modification to surrounding components.
• Broad DCA Series Compatibility — Fits a wide range of Multiquip super-silent and ultra-silent diesel generators including DCA10SPX4, DCA25SSIU, DCA70SSIU, DCA125SSIU, DCA150USJ, DCA180SSJU, MQP56, and the DIS185SSI4F air compressor.
• Leak Prevention — A properly seated O-Ring maintains a pressure-tight seal within fluid and air circuits, preventing system leaks that can cause overheating, pressure loss, or contamination of critical components.
• Fuel and Fluid System Safety — Correct O-Ring specification in fuel and hydraulic circuits is essential to prevent hazardous leaks; using the OEM-specified part helps maintain safe operating conditions on the generator set.

An O-Ring is a circular elastomeric seal used throughout generator and compressor assemblies to prevent the passage of fluids or gases between mating surfaces, threaded fittings, or housing joints. When seated correctly in its groove, it compresses against both surfaces to form a pressure-tight barrier, keeping fuel, oil, coolant, or compressed air within their intended circuits. When an O-Ring hardens, cracks, or deforms with age and heat exposure, that seal breaks down — resulting in leaks that can damage surrounding components, create fire hazards in fuel systems, or cause the machine to lose operating pressure and shut down unexpectedly.

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.