The Multiquip 0289305037 is a genuine OEM O-Ring SA6D140E/DCA400SSK designed for the DCA400SSK ultra-silent diesel generator and the SA6D140E engine platform. As a direct OEM replacement, this o-ring is manufactured to the exact material grade and dimensional tolerances specified for these units, ensuring a proper seal without guesswork. Sourced directly through Multiquip's authorized parts program, 0289305037 is the correct part for maintaining the integrity of your DCA400SSK generator system. DHS Equipment stocks this part to keep your equipment running at full capacity.
Key Features
- OEM-Grade Sealing Material — Manufactured to the precise compound and durometer specification required for the SA6D140E engine environment, delivering consistent compression and long-term seal integrity.
- Direct Drop-In Replacement — Dimensioned to the original Multiquip specification, this o-ring seats correctly in the intended groove without modification or re-sizing.
- Confirmed Fitment — Verified for the DCA400SSK ultra-silent diesel generator and the SA6D140E engine, taking the guesswork out of parts sourcing.
- Leak Prevention — A correctly installed o-ring maintains fluid and pressure containment within the engine or system circuit; a degraded or improperly sized o-ring risks fluid loss, contamination, and accelerated component wear.
- Fuel and Fluid System Safety — In fuel or hydraulic circuit applications, an intact, properly rated o-ring is essential to prevent leaks that could create fire hazards or fluid contamination on the jobsite.
An o-ring is a precision sealing element that creates a pressure-tight barrier between mating components — preventing the escape of fluids, gases, or contaminants at joints, fittings, or ports within the engine or generator system. On large diesel generator platforms like the SA6D140E-powered DCA400SSK, o-rings are used throughout the fuel, cooling, and lubrication circuits, and a failed or worn o-ring can lead to fluid leaks, loss of system pressure, and internal contamination that damages surrounding components. Replacing a compromised o-ring promptly with the correct OEM part — such as the Multiquip 0289305037 — is one of the most cost-effective ways to protect the broader system from secondary damage.
Part Details
| Part Number | 0289305037 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | O-Ring SA6D140E/DCA400SSK |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA400SSK |
| SA6D140E | SA6D140E |
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.
