Multiquip 8972096090 Cylinder Sealing Cup DCA-25USI 4LE2

The Multiquip 8972096090 is a genuine OEM Cylinder Sealing Cup DCA-25USI 4LE2 designed for the DCA25USI ultra-silent diesel generator. Sourced directly from Multiquip, this part meets the exact specifications required by the Isuzu 4LE2 engine found in the DCA25USI series. It is a direct-fit replacement that installs without modification to your existing engine assembly. Confirm your model code against your machine's serial tag before ordering to ensure full compatibility with the DCA25USI.

Key Features

• OEM Sealing Integrity — Manufactured to the precise material grade and compression tolerancing required by the Isuzu 4LE2 engine, ensuring a proper hydraulic seal within the cylinder bore.
• Exact-Fit Cylinder Interface — Engineered to match the bore diameter and seating profile of the DCA25USI engine assembly, dropping into position without rework or adaptation.
• DCA25USI Series Compatibility — Specifically validated for the DCA25USI ultra-silent generator equipped with the Isuzu 4LE2 engine; always verify your model code before ordering.
• Sustained Engine Compression — A properly seated cylinder sealing cup maintains the compression necessary for smooth, consistent engine starting and stable generator output under load.
• Fuel System Safety Relevance — A degraded or failed cylinder seal can allow uncontrolled fluid migration within the engine, making timely replacement critical to safe operation of the generator.

The cylinder sealing cup forms a critical hydraulic barrier within the engine's cylinder assembly, preventing fluid from bypassing the piston and maintaining the compression needed for proper combustion. In the Isuzu 4LE2 engine used in the DCA25USI, this cup supports consistent fuel injection cycles and stable power output. When this seal wears or fails, compression loss can cause hard starting, rough running, reduced output, or engine damage over time.

For questions about fitment or to confirm this part is correct for your DCA25USI, contact the DHS Equipment team before placing your order.

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.