The Multiquip 6251212240 O Ring Center SAA6D125E-5 DCA-300SSK4 is a genuine OEM O-ring designed for the DCA-300SSK4 ultra-silent diesel generator and its SAA6D125E-5 engine. This is an exact OEM replacement sourced directly through Multiquip, ensuring the correct material grade, cross-section, and compression characteristics for a proper seal at the center joint it serves. If you're servicing a DCA-300SSK4 unit, using part number 6251212240 guarantees correct fit without guesswork or modification. DHS Equipment stocks this genuine Multiquip part to keep your generator back in service quickly.
Key Features
- Genuine OEM Sealing Material — Manufactured to OEM elastomer and hardness specifications, ensuring the correct compression set and chemical resistance for this engine application.
- Drop-In Center Joint Fit — Engineered to the exact cross-section and inner diameter of the center sealing point on the SAA6D125E-5 engine, seating correctly without rework.
- Confirmed Fitment — Directly compatible with the DCA-300SSK4 ultra-silent generator and the SAA6D125E-5 diesel engine platform.
- Leak Prevention at the Source — A correctly seated O-ring at this location maintains fluid or pressure integrity; a worn or cracked ring can lead to seepage, contamination, or pressure loss that affects engine operation.
- Genuine Multiquip OEM Part — Backed by Multiquip's OEM supply chain, so you receive the same component installed at the factory — no substitution, no compromise.
An O-ring is a precisely sized elastomeric seal installed at a joint or mating surface to prevent the passage of fluid or gas between two components. In a diesel engine like the SAA6D125E-5, center O-rings are used at critical internal junctions where maintaining a leak-free interface is essential to proper lubrication, cooling, or fuel system integrity. When an O-ring degrades — through heat cycling, compression set, or chemical exposure — it loses its ability to seal, allowing fluid to bypass the joint and potentially causing contamination or pressure loss. Replacing it with the correct OEM part restores the integrity of that seal and protects the surrounding components from damage.
Part Details
| Part Number | 6251212240 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | O Ring Center 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.
