Multiquip RE516512 O Ring 6068TF275 DCA125USJ

The Multiquip RE516512 O Ring 6068TF275 DCA125USJ is a genuine OEM sealing component designed for the DCA125USJ ultra-silent diesel generator. As a direct OEM replacement, this O ring is sourced to the original specification, ensuring the correct material grade, durometer, and dimensional profile for its sealing application on the DCA125USJ. Keeping the correct seal in place is critical to maintaining fluid or pressure integrity within the generator system, and the part delivers exactly what the machine was built with.

Key Features

• Genuine OEM Sealing Material — Manufactured to the original compound and cross-section specification, delivering the correct compression and chemical resistance for this sealing position on the DCA125USJ.
• Exact Dimensional Profile — Matches the precise inner diameter, outer diameter, and cross-section of the original seal, allowing the O ring to seat fully and compress evenly without adjustment.
• Confirmed DCA125USJ Fitment — Engineered specifically for the Multiquip DCA125USJ ultra-silent diesel generator series, eliminating guesswork when sourcing a replacement seal.
• Prevents Fluid and Pressure Loss — A correctly installed O ring maintains the sealed boundary between mating components; a worn or damaged seal can cause leaks that compromise generator operation and lead to costly secondary damage.
• Direct OEM Source — Supplied as a genuine Multiquip part, meaning the material formulation and geometry have not been altered from the original production specification.

An O ring is a precision-molded elastomeric seal that sits in a machined groove between two mating surfaces, forming a pressure- or fluid-tight barrier when the joint is assembled and compressed. On a diesel generator like the DCA125USJ, O rings are used throughout fluid circuits and mating housings where a leak-free connection is essential to safe and stable operation. When an O ring hardens, cracks, or takes a permanent set over time, it loses its ability to maintain that seal — resulting in leaks, pressure loss, or contamination that can affect generator output and reliability.

For questions about fitment or to confirm this is the correct part for your application, contact the DHS Equipment parts team directly.

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.