The Multiquip 8972112800 is a genuine OEM Injector Nozzle Assembly DCA-45USJ 4JG1 designed for the DCA-45USJ ultra-silent diesel generator. As a direct OEM replacement, this assembly is sourced and supplied to Multiquip's exact specifications, ensuring the fuel delivery characteristics of the 4JG1 engine are maintained without compromise. This part is confirmed to fit the DCA-45USJ, making it a straightforward, confidence-inspiring choice when servicing that unit. Order from DHS Equipment for dependable fulfillment and genuine part authenticity.
Key Features
- Genuine OEM Fuel Delivery Precision — Manufactured to the exact spray pattern and flow rate specifications of the original 4JG1 engine injector, ensuring proper combustion and fuel efficiency.
- Direct-Fit Assembly — Mounts directly to the 4JG1 engine's injection system on the DCA-45USJ with no adaptation required to the fuel rail or injector bore.
- Confirmed DCA-45USJ Compatibility — Validated for the Multiquip DCA-45USJ ultra-silent diesel generator; cross-reference part number 8972112800 before ordering to confirm fitment.
- Protects Engine Output and Efficiency — A correctly functioning injector nozzle delivers a precise, atomized fuel charge; a worn or clogged nozzle leads to misfires, rough running, excessive smoke, and elevated fuel consumption.
- Fuel System Safety — An OEM-spec nozzle assembly maintains correct injection pressure, reducing the risk of unburned fuel accumulation and the associated fire or emissions hazards in enclosed or sensitive job environments.
The injector nozzle assembly is the final control point in a diesel engine's fuel delivery system. It meters and atomizes pressurized fuel into the combustion chamber at precisely the right moment and in the correct spray pattern, making it critical to clean ignition, full power output, and fuel economy. When a nozzle wears or becomes partially blocked, the engine may smoke heavily, lose power, run unevenly, or consume significantly more fuel — all of which reduce the effectiveness of the DCA-45USJ as a reliable power source on the job.
For questions about part fitment or ordering, contact the DHS Equipment team for assistance.
Part Details
| Part Number | 8972112800 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Injector Nozzle Assembly 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 8944422250 Nozzle Holder Assembly DCA-45USJ 4JG1
