The Multiquip 8972876570 is a genuine OEM Camshaft DCA-45USJ 4JG1 designed for the DCA-45USJ ultra-silent generator. As a direct OEM replacement sourced through Multiquip's authorized parts network, this camshaft meets the exact specifications of the original component installed at the factory. It is confirmed to fit the DCA-45USJ, making it a straightforward, part-number-verified swap for scheduled rebuilds or unplanned engine repairs. Order with confidence knowing you are installing the correct component for your machine.
Key Features
- Genuine OEM Valve Timing Integrity — Manufactured to the exact lobe profile and dimensional tolerances of the original, ensuring accurate valve timing on the Isuzu 4JG1 engine.
- Direct Engine Drop-In — Engineered to seat and align within the 4JG1 engine block just like the original, with no fitment adjustments needed during installation.
- Confirmed Fitment for DCA-45USJ — Specifically validated for the Multiquip DCA-45USJ ultra-silent diesel generator powered by the Isuzu 4JG1 engine.
- Sustained Generator Output — A correctly profiled camshaft keeps intake and exhaust cycles synchronized, supporting consistent power output and fuel efficiency under load.
- Engine Longevity Under Continuous Operation — Ultra-silent generators often run extended duty cycles; an OEM-spec camshaft maintains proper valve actuation to protect against premature wear on valves, lifters, and the cylinder head.
The camshaft is a precision-ground rotating shaft inside the engine that controls the opening and closing of the intake and exhaust valves. As it rotates in sync with the crankshaft, its lobes push against the valve train components to admit the air-fuel mixture and expel exhaust gases at exactly the right moment in each combustion cycle. When a camshaft wears, develops a flat lobe, or fails entirely, valve timing is thrown off — leading to rough running, loss of power, increased fuel consumption, and potential damage to the valves and cylinder head. Replacing a worn camshaft with a genuine OEM unit restores proper engine breathing and protects the surrounding valve train components.
Part Details
| Part Number | 8972876570 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Camshaft DCA-45USJ 4JG1 |
Compatibility & Fitment
| Name | Model |
|---|---|
| DCA-45USJ | DCA-45USJ |
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.
Multiquip
Multiquip 8972315180 Camshaft Injection Pump DCA-45USJ 4JG1
