The Multiquip 6251118840 Ring SAA6D125E-5 DCA-300SSK4 is a genuine OEM ring designed for the DCA-300SSK4 ultra-silent diesel generator. As a direct OEM replacement sourced through Multiquip's authorized parts program, this component matches the original specification for the Komatsu SAA6D125E-5 engine fitted to the DCA-300SSK4 series. Purchasing the correct OEM ring ensures the engine assembly maintains proper tolerances and performs as intended under the demanding load cycles of a large-format generator application.
Key Features
- Genuine OEM Specification: — Manufactured to the exact dimensional and material standards required for the SAA6D125E-5 engine, ensuring correct sealing surface contact and compression characteristics.
- Direct Engine Application: — Engineered specifically for the Komatsu SAA6D125E-5 engine assembly as installed in the DCA-300SSK4, dropping in exactly where the original component was seated.
- Confirmed Fitment: — Verified for the Multiquip DCA-300SSK4 ultra-silent generator series; always cross-reference part number 6251118840 against your serial number plate before ordering.
- Engine Integrity: — A correctly fitted ring maintains proper compression and oil control within the engine, supporting consistent power output and protecting against accelerated bore wear or oil consumption issues.
- Critical Sealing Performance: — In large diesel generator applications, a worn or failed ring can lead to loss of compression, increased emissions, and reduced fuel efficiency — this OEM replacement restores designed engine performance.
A ring in a diesel engine serves as the critical interface between the piston and the cylinder bore, performing three essential jobs: sealing combustion gases above the piston to maintain compression, controlling oil distribution along the cylinder wall, and transferring heat away from the piston crown into the cooled cylinder liner. When a ring wears, loses tension, or breaks, the engine may experience reduced compression, increased oil consumption, excessive blow-by, and a noticeable drop in power output. Replacing a worn ring with a genuine OEM part restores the designed clearances and contact geometry that the SAA6D125E-5 engine requires to deliver reliable, full-rated output in the DCA-300SSK4 generator.
For questions about fitment or to confirm this part is correct for your serial number, contact the DHS Equipment parts team before ordering.
Part Details
| Part Number | 6251118840 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Ring 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.
