Multiquip 6505510351 Seal Ring DCA-400SPK SA6D140E-2

The Multiquip 6505510351 is a genuine OEM Seal Ring DCA-400SPK SA6D140E-2 designed for the DCA400SPK ultra-silent diesel generator series. As a direct OEM part, it is manufactured to the exact material and dimensional standards required by the SA6D140E-2 engine platform, ensuring a proper seal under the operating pressures and temperatures typical of heavy-duty generator use. This part ships as a genuine Multiquip replacement, so you can install with confidence knowing it matches the original component specification. If your DCA400SPK is showing signs of oil or fluid seepage around the engine, this seal ring is the correct factory replacement to restore integrity.

Key Features

• OEM Material Grade Sealing — Manufactured to the exact compound and hardness specification required by the SA6D140E-2 engine, delivering consistent compression and sealing performance under sustained generator load.
• Direct Engine Application Fit — Engineered specifically for the SA6D140E-2 engine fitted in the DCA400SPK, so it seats correctly in the designated groove without rework or adjustment.
• DCA400SPK Series Compatibility — Confirmed fitment for the Multiquip DCA400SPK ultra-silent diesel generator platform, keeping your sourcing straightforward.
• Leak Prevention at the Source — A failed or hardened seal ring allows oil or coolant to bypass the sealing surface, leading to contamination, pressure loss, and potential engine damage; this replacement restores the correct barrier.
• Genuine Multiquip OEM Part — Supplied under part number 6505510351 directly within the Multiquip OEM parts network, so traceability and part authenticity are assured.

A seal ring is a precision-formed elastomeric or metallic ring that sits between mating engine components to prevent the migration of oil, coolant, or combustion gases past a joint or bore. In the SA6D140E-2 diesel engine, maintaining an intact seal at every junction is critical to sustaining correct oil pressure, preventing cross-contamination between fluid circuits, and protecting internal engine components from premature wear. When a seal ring deteriorates — through heat cycling, age, or mechanical stress — it loses its ability to conform to the mating surfaces, and leaks develop that can rapidly escalate into more serious and costly engine damage if left unaddressed.

For assistance confirming this part fits your specific DCA400SPK configuration, 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.