Multiquip 8970706982 Spring Rocker Shaft DCA25USI 4LE2

The Multiquip 8970706982 is a genuine OEM Spring Rocker Shaft DCA25USI 4LE2 designed for the DCA25USI ultra-silent diesel generator. Sourced directly from Multiquip, this part carries the same specifications as the component originally installed at the factory. It is a direct-fit replacement for the DCA25USI, ensuring the rocker shaft assembly seats and functions exactly as intended. If you are maintaining or overhauling the valvetrain on your DCA25USI, this is the correct OEM part to use.

Key Features

• Genuine OEM Valvetrain Precision — Manufactured to the exact dimensional tolerances required for correct rocker arm geometry and consistent valve actuation on the 4LE2 engine.
• Direct-Fit Installation — Engineered to drop into the rocker shaft bore of the DCA25USI 4LE2 cylinder head without modification, aligning with existing mounting points and retaining hardware.
• Confirmed Fitment for DCA25USI — Specific to the DCA25USI ultra-silent diesel generator platform powered by the Isuzu 4LE2 engine.
• Sustained Valve Timing Integrity — A correctly fitted rocker shaft maintains proper rocker arm positioning, preserving valve timing and combustion efficiency; a worn or failed shaft causes rocker arm instability, increased valve clearance variation, and power loss.
• Engine Safety Compliance — Using the correct OEM rocker shaft prevents valvetrain misalignment that could lead to valve contact damage or uncontrolled engine behavior under load.

The rocker shaft is a precision cylindrical component that serves as the pivot axis for the rocker arms in the engine's valvetrain. It holds each rocker arm in exact alignment so that camshaft lift is transferred cleanly and consistently to open and close the intake and exhaust valves at the correct timing. When the rocker shaft wears, develops scoring, or loses its spring tension, rocker arm movement becomes imprecise, leading to erratic valve timing, increased oil consumption, and audible valvetrain noise. Replacing it with the correct OEM part restores proper valvetrain geometry and protects the long-term performance of the DCA25USI generator's 4LE2 engine.

DHS Equipment supplies genuine Multiquip OEM parts with accurate fitment data. For fitment questions or additional parts support, contact the DHS Equipment 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.