The Multiquip 6251519850 Union SAA6D125E-5 is a genuine OEM union fitting designed for the DCA-300SSK4 ultra-silent diesel generator equipped with the SAA6D125E-5 engine. As a factory-sourced component, 6251519850 is manufactured to the exact specifications required by the SAA6D125E-5 engine assembly, ensuring a correct, leak-free connection within the fluid or fuel circuit it serves. This part is sold by DHS Equipment as an authorized Multiquip replacement, giving you confidence that you are receiving the right component for your DCA-300SSK4. Keeping fluid connections properly sealed and torqued is critical to generator uptime, making an exact OEM replacement the smart choice for service and repair.
Key Features
- Genuine OEM Construction — Manufactured to Multiquip's original material and dimensional specifications for the SAA6D125E-5 engine, ensuring correct thread engagement and sealing performance.
- Direct Replacement Fit — Engineered to install directly into the existing port or line connection on the DCA-300SSK4, matching the original union in thread type, size, and configuration.
- Confirmed Fitment — Correct for the DCA-300SSK4 ultra-silent generator series powered by the Komatsu SAA6D125E-5 engine.
- Leak-Free Fluid Integrity — A correctly fitted union maintains sealed fluid circuits; a worn or damaged union risks fluid loss, pressure drop, and potential engine or system damage during generator operation.
- Authorized Multiquip Source — Supplied by DHS Equipment as an authorized Multiquip parts distributor, backed by genuine OEM part number 6251519850 for accurate cross-referencing and ordering confidence.
A union is a threaded pipe or line fitting used to join two sections of a fluid circuit — such as a fuel, coolant, or oil line — while allowing them to be disconnected and reconnected without disturbing the rest of the system. On the SAA6D125E-5 engine fitted to the DCA-300SSK4 generator, union fittings like this one maintain pressure-tight connections in critical circuits that keep the engine running cleanly and efficiently. When a union cracks, corrodes, or fails to seal properly, it can cause fluid leaks that lead to overheating, fuel starvation, or contamination — all of which can take a generator out of service.
Part Details
| Part Number | 6251519850 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Union SAA6D125E-5 |
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.
