The Multiquip 8972172492 is a genuine OEM Pipe Fuel Nozzle Leak Off DCA25USI 4LE2 designed for the DCA25USI ultra-silent diesel generator. As a direct OEM replacement sourced through Multiquip's authorized parts network, this component is built to the same specification as the part that left the factory. Correct fitment has been confirmed for DCA25USI series generators equipped with the Isuzu 4LE2 engine, making this the right choice when restoring your machine to full operating condition.
Key Features
- OEM Fuel System Integrity — Manufactured to the same dimensional and material tolerances as the original, ensuring a leak-free connection at the injector return circuit.
- Direct-Fit for Isuzu 4LE2 Engines — Engineered specifically for the 4LE2 engine configuration found in the DCA25USI, connecting directly to the existing fuel nozzle return port without modification.
- Confirmed DCA25USI Compatibility — Verified fitment for the Multiquip DCA25USI ultra-silent diesel generator series.
- Fuel System Reliability — A correctly seated leak-off pipe maintains proper injector return pressure; a cracked or loose pipe can cause rough running, hard starts, and injector damage over time.
- Fuel Safety Compliance — Replaces a fuel-carrying component with an OEM part that meets the original design standards for pressure containment and material resistance to diesel fuel.
The fuel nozzle leak-off pipe routes excess fuel from the injectors back to the fuel tank or return line, relieving pressure that builds up during the injection cycle. This return flow is a normal and necessary part of diesel injector operation — without it, pressure imbalances can degrade injector performance and shorten service life. A damaged or leaking leak-off pipe can result in fuel seeping onto hot engine surfaces, inconsistent power output, and increased wear on the injector nozzles themselves.
For questions about this part or to confirm fitment for your specific DCA25USI serial range, contact the DHS Equipment parts team directly.
Part Details
| Part Number | 8972172492 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Pipe Fuel Nozzle Leak Off DCA25USI 4LE2 |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA25USI |
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.
