The Multiquip 1156290650 O Ring is a genuine OEM sealing component designed for the DCA40SSAI ultra-silent diesel powered generator. As a factory-sourced part, it meets the exact material and dimensional specifications required for a proper seal in this application. This O Ring is a direct match for the DCA40SSAI and ensures the sealing surface performs as originally engineered. Order with confidence knowing you're installing the correct part from an authorized Multiquip parts source.
Key Features
- Correct Elastomer Compound — Manufactured to the precise material grade required for sealing performance in the DCA40SSAI generator's operating environment, including fuel and fluid compatibility.
- Exact Dimensional Match — Cross-section diameter and inner diameter match the original groove specification, ensuring full contact and compression without distortion on installation.
- Genuine OEM Sourcing — Produced to Multiquip's original specifications — not an approximation — so the part behaves identically to what came off the assembly line.
- Confirmed Fitment for DCA40SSAI — Validated for the DCA40SSAI ultra-silent diesel generator series, so there's no guesswork on compatibility before installation.
- Leak Prevention — A correctly seated O Ring maintains fluid or air pressure boundaries within the generator system; a worn or improperly sized ring allows seepage that can lead to contamination, pressure loss, or component damage.
An O Ring is a circular elastomeric seal that sits in a machined groove between two mating surfaces, creating a pressure-tight barrier against fluid or air movement. In a diesel generator like the DCA40SSAI, O Rings are used throughout fuel, oil, coolant, and air pathways to prevent leaks and maintain system pressures. When an O Ring hardens, cracks, or becomes deformed over time, it loses its ability to compress and seal — resulting in leaks, contamination, or loss of pressure that can affect generator performance and reliability.
Part Details
| Part Number | 1156290650 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | O Ring |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA40SSAI |
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.