Multiquip 8971620541 Cylinder Block Assembly DCA-25USI 4LE2

The Multiquip 8971620541 is a genuine OEM Cylinder Block Assembly DCA-25USI 4LE2 designed for the DCA25USI ultra-silent diesel generator series. As a direct OEM component, it meets the original engineering specifications for the Isuzu 4LE2 engine used in this generator platform, ensuring a correct fit during engine rebuild or major overhaul work. DHS Equipment supplies this part as an authorized Multiquip replacement, making it a dependable choice for service technicians and fleet maintenance teams working on DCA25USI equipment.

Key Features

• Genuine OEM Engine Architecture — Cast and machined to the original Isuzu 4LE2 engine specifications, preserving correct bore geometry and deck surface integrity critical to maintaining compression and long-term engine performance.
• Direct-Fit Engine Replacement — Engineered as a drop-in block for the DCA25USI platform, aligning with all original cylinder head, crankcase, and mounting interfaces without additional machining or modification.
• DCA25USI Series Compatibility — Specifically matched to the Multiquip DCA25USI ultra-silent generator, one of the most widely deployed portable diesel generator units in production and film industry applications.
• Structural Foundation for Engine Performance — The cylinder block is the core structural element of the 4LE2 engine; a worn, cracked, or scored block leads to compression loss, oil contamination, and irreversible engine failure if not replaced promptly.
• Critical for Major Overhaul and Rebuild Work — When engine wear or damage has progressed beyond bore-sleeve repair, replacing with an OEM block ensures the rebuilt engine performs to original power and emissions output.

The cylinder block is the central structural casting of the engine — it houses the cylinders, coolant passages, oil galleries, and mounting points for virtually every major engine component including the crankshaft, pistons, and cylinder head. On the Isuzu 4LE2 engine found in the DCA25USI generator, the block must maintain precise bore dimensions and surface flatness to sustain proper compression and prevent coolant or oil cross-contamination. When the block is damaged through overheating, severe wear, or physical cracking, no amount of internal component replacement can restore engine function without addressing the block itself.

For questions about part fitment or to confirm compatibility with your specific DCA25USI serial range, 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.