Multiquip 8971186561 Shaft Rocker Arm DCA25USI 4LE2

The Multiquip 8971186561 Shaft Rocker Arm DCA25USI 4LE2 is a genuine OEM component designed for the DCA25USI ultra-silent diesel generator. This is a direct OEM replacement sourced from Multiquip, ensuring the part meets the original design tolerances required for correct valve train operation in the 4LE2 engine. The 8971186561 is the exact part specified for the DCA25USI platform, confirming a correct, application-specific fit for this generator series.

Key Features

• OEM-Grade Valve Train Tolerancing — Manufactured to the exact dimensional and material specs of the original 4LE2 engine rocker arm shaft, ensuring proper valve actuation geometry is maintained.
• Drop-In Engine Compatibility — Engineered specifically for the 4LE2 engine assembly; mounts directly to the rocker arm carrier without modification to brackets or fastener positions.
• DCA25USI Generator Fitment — Confirmed fitment for the Multiquip DCA25USI ultra-silent diesel generator series.
• Sustained Valve Timing Accuracy — A correctly functioning rocker arm shaft maintains consistent rocker pivot alignment, supporting accurate valve timing and stable engine output under continuous generator load.
• Critical Fuel and Emissions System Compliance — Proper valve operation is essential to combustion efficiency in diesel engines; a worn or failed shaft can cause misfiring, excessive smoke, or loss of power output on the DCA25USI.

The rocker arm shaft is a central component of the valve train in a diesel engine. It serves as the pivot axis for the rocker arms, which transfer motion from the camshaft to open and close the intake and exhaust valves in sequence. When the shaft wears, becomes scored, or loses its press fit, rocker arm movement becomes imprecise — leading to incorrect valve timing, loss of compression, rough running, or audible valve train noise. Replacing a worn shaft with a genuine OEM part like the Multiquip 8971186561 restores the mechanical precision the 4LE2 engine requires to deliver consistent power output and quiet operation expected from the DCA25USI generator.

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.