The Multiquip 8972404430 is a genuine OEM Exhaust Manifold DCA-45USJ 4JG1 designed for the DCA-45USJ ultra-silent generator series. This is a direct OEM replacement sourced through Multiquip's authorized parts network, ensuring it meets the original engineering specifications for the 4JG1 engine configuration. Confirmed fitment for the DCA-45USJ makes this the correct choice when servicing or rebuilding the exhaust system on this unit. Order with confidence knowing you're installing the exact part built for this machine.
Key Features
- OEM Exhaust Integrity — Manufactured to the same casting and port specifications as the original, ensuring proper exhaust gas flow and sealing at every joint on the 4JG1 engine.
- Direct Bolt-On Replacement — Matches the original mounting pattern and flange dimensions on the DCA-45USJ, allowing straightforward installation without fabrication or adaptation.
- Confirmed DCA-45USJ Fitment — Engineered specifically for the DCA-45USJ ultra-silent diesel generator, eliminating guesswork when sourcing exhaust components for this model.
- Sustained Generator Output — A correctly sealed exhaust manifold maintains proper backpressure and combustion efficiency, supporting consistent power output and preventing exhaust leaks that can reduce performance.
- Emissions and Safety Compliance — A sound OEM manifold keeps exhaust gases properly routed away from the engine bay and operator area, supporting safe operation and emissions integrity on the DCA-45USJ.
The exhaust manifold collects combustion gases from each cylinder of the engine and channels them into a single exhaust outlet, directing them away from the engine and toward the exhaust system. On a generator like the DCA-45USJ, a properly functioning manifold is critical to maintaining combustion efficiency, controlling engine temperature, and keeping exhaust fumes safely contained. When an exhaust manifold cracks, warps, or develops a leaking gasket joint, it can cause exhaust gases to escape into the engine compartment, leading to rough running, increased operating temperatures, and potential safety hazards for personnel working near the unit.
Part Details
| Part Number | 8972404430 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Exhaust Manifold 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 8973503170 Exhaust Manifold Gasket DCA-45USJ 4JG1
