The Multiquip 6251519510 is a genuine OEM Return Tube SAA6D125E-5 DCA-300SSK4 designed for the DCA-300SSK4 ultra-silent diesel generator equipped with the Komatsu SAA6D125E-5 engine. As a direct Multiquip OEM component, part 6251519510 is manufactured to the exact dimensional and material standards required for correct installation and long-term service in this application. This tube routes fluid back through the engine's fuel or coolant circuit, ensuring the system maintains proper flow and pressure throughout generator operation. If you're servicing a DCA-300SSK4 unit, confirming the correct part number before ordering is essential — 6251519510 is the verified OEM reference for this assembly.
Key Features
- Genuine OEM Construction — Manufactured to Multiquip's original material and dimensional specifications for the SAA6D125E-5 engine, ensuring the tube delivers correct flow capacity and connection integrity in service.
- Direct-Fit Replacement — Engineered to connect to existing fittings and routing brackets on the DCA-300SSK4 without modification to hose ends or mounting points.
- Confirmed Fitment for DCA-300SSK4 — Verified for use on the Multiquip DCA-300SSK4 ultra-silent generator powered by the Komatsu SAA6D125E-5 diesel engine.
- Sustained System Flow — A properly functioning return tube maintains consistent fluid circulation within the engine circuit; a cracked or failed tube can cause pressure loss, fluid contamination, or unplanned shutdowns on a working generator.
- Fuel System Integrity — Return line components in diesel generator applications are critical to safe, leak-free operation; using an OEM tube rated for this engine ensures compatibility with diesel fuel and the operating pressures of the SAA6D125E-5.
The return tube is a hydraulic or fuel circuit component responsible for carrying fluid back from the engine or injection system to its source reservoir or filter housing, completing the flow loop that keeps the engine supplied and running at the correct pressure. On a large diesel generator like the DCA-300SSK4, maintaining an intact return circuit is essential — any leak or restriction in this line can starve the fuel system, introduce air into the circuit, or cause the engine to shut down under load. When this tube deteriorates, cracks, or develops a fitting leak, replacing it promptly with the correct OEM part restores circuit integrity and prevents further damage to downstream components.
For questions about part 6251519510 or to confirm fitment for your DCA-300SSK4 unit, contact the DHS Equipment team directly.
Part Details
| Part Number | 6251519510 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Return Tube SAA6D125E-5 DCA-300SSK4 |
Compatibility & Fitment
| Name | Model |
|---|---|
| DCA-300SSK4 | DCA-300SSK4 |
| SAA6D125E-5 | SAA6D125E-5 |
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.
