The Multiquip 8970177911 Pipe Injection No 1 DCA-45USJ 4JG1 is a genuine OEM fuel injection pipe designed for the DCA-45USJ ultra-silent generator. This is a direct OEM replacement sourced from Multiquip, ensuring the part meets the original engineering specifications for the 4JG1 engine used in DCA-45USJ series equipment. Confirmed fitment for the DCA-45USJ means you can order with confidence, knowing this component will seat and connect exactly as the original did. DHS Equipment stocks this part to keep your generator running without unnecessary delays.
Key Features
- Genuine OEM Fuel System Integrity — Manufactured to the original pressure and flow specifications of the 4JG1 engine, ensuring consistent fuel delivery without leaks or pressure loss.
- Direct Drop-In Installation — Engineered to the exact routing and connection points of the original pipe, so it installs cleanly against the injection pump and injector without rework.
- Confirmed DCA-45USJ Fitment — Specifically matched to the DCA-45USJ ultra-silent diesel generator series for straightforward identification and ordering.
- Protects Engine Performance — A correctly functioning injection pipe delivers precise fuel metering to the injector; a cracked or fatigued pipe causes rough running, misfires, or hard starting under load.
- Fuel System Safety — As a high-pressure fuel line component, using a correctly rated OEM pipe reduces the risk of fuel leaks that could create fire hazards or emissions compliance issues on the worksite.
The injection pipe on a diesel engine carries high-pressure fuel from the injection pump to the individual injector at the cylinder head. On the 4JG1 engine fitted to the DCA-45USJ, this pipe must withstand repeated high-pressure pulses with every combustion cycle. When the pipe develops a crack, corrosion, or a compromised fitting, fuel pressure drops before it reaches the injector, leading to reduced power output, erratic engine speed, or failure to start. Replacing a worn or damaged injection pipe with a genuine OEM part restores proper combustion and protects the injection pump and injectors from the secondary damage that pressure fluctuations can cause.
Part Details
| Part Number | 8970177911 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Pipe Injection No 1 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.
