The Multiquip 8970177931 Pipe Injection No 3 DCA-45USJ 4JG1 is a genuine OEM fuel injection pipe designed for the DCA-45USJ ultra-silent diesel generator. Sourced directly from Multiquip, this is an exact OEM replacement component engineered to the same specifications as the original part installed at the factory. Compatibility is confirmed for the DCA-45USJ series, ensuring a direct, hassle-free installation. When your injection system needs attention, using the correct OEM pipe is the straightforward path to restoring full engine performance.
Key Features
- OEM Fuel System Integrity — Manufactured to exact dimensional and material specifications for the 4JG1 engine's injection system, ensuring proper fuel delivery pressure and flow characteristics.
- Direct Bolt-On Replacement — Matches the original pipe routing and connection points on the DCA-45USJ, allowing straightforward removal of the worn pipe and installation of the new one without modification.
- Confirmed Fitment for DCA-45USJ — Verified compatibility with the DCA-45USJ ultra-silent diesel generator series powered by the Isuzu 4JG1 engine.
- Sustained Engine Output — A properly functioning injection pipe delivers consistent fuel atomization to the correct cylinder, supporting stable engine output and smooth generator operation under load.
- Fuel System Safety — A cracked or worn injection pipe can introduce fuel leaks in a pressurized system; replacing it with a genuine OEM component maintains the integrity and safety of the fuel circuit.
The injection pipe routes high-pressure fuel from the injection pump to a specific injector on the engine — in this case, cylinder position No 3 of the Isuzu 4JG1 diesel engine. It must withstand repeated pressure cycles without cracking, weeping, or deforming at the fittings. A damaged or deteriorated injection pipe can cause hard starting, rough running, misfiring on the affected cylinder, or visible fuel leaks, all of which compromise generator output and create a hazardous working condition.
Part Details
| Part Number | 8970177931 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Pipe Injection No 3 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.
