Multiquip 8944272062 Metal Camshaft DCA-45USJ 4JG1

The Multiquip 8944272062 is a genuine OEM Metal Camshaft DCA-45USJ 4JG1 designed for the DCA-45USJ ultra-silent diesel generator. As a factory-sourced component, this camshaft is manufactured to the exact material and dimensional specifications required by the Isuzu 4JG1 engine at the heart of the DCA-45USJ. Sourced directly through the Multiquip OEM supply chain, 8944272062 ensures a correct drop-in fit with no guesswork on compatibility. If your DCA-45USJ is showing signs of engine wear, misfiring, or loss of power output, replacing a worn camshaft with the genuine part restores proper valve timing and engine performance.

Key Features

• Genuine OEM Metallurgy — Manufactured to the precise hardness and profile tolerances required by the Isuzu 4JG1 engine, ensuring correct lobe geometry for accurate valve lift and timing.
• Direct Engine Replacement — Engineered to seat into the 4JG1 engine block exactly as the original, with matching journal dimensions and timing alignment references.
• Confirmed Fitment for DCA-45USJ — Verified for use in the Multiquip DCA-45USJ ultra-silent diesel generator series.
• Restores Proper Valve Timing — A correctly profiled camshaft maintains precise intake and exhaust valve sequencing, supporting full engine power output and fuel efficiency in your generator.
• Engine Integrity Under Load — Generators like the DCA-45USJ operate under sustained load cycles; an OEM-spec camshaft holds up to continuous runtime demands where worn or off-spec components cause erratic engine behavior.

The camshaft is a core engine timing component responsible for opening and closing the intake and exhaust valves in sequence with the pistons. In the Isuzu 4JG1 engine found in the DCA-45USJ, the camshaft lobes actuate the valvetrain at precisely timed intervals to allow the correct air-fuel mixture in and exhaust gases out during each combustion cycle. When a camshaft wears, lobes lose their profile, valve timing drifts, and the engine loses power, runs roughly, or becomes difficult to start — all of which directly impact the generator's ability to deliver stable electrical output.

For questions about fitment or to confirm this is the correct part for your application, contact the DHS Equipment team for support.

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.