The Multiquip R74354 O-Ring DCA70SSJU4i is a genuine OEM sealing component designed for the DCA70SSJU4i ultra-silent diesel generator. As an authentic Multiquip OEM part, R74354 is manufactured to the exact material grade and dimensional tolerances required for a proper compression seal in this application. Sourced directly through authorized Multiquip distribution, this O-ring is the correct replacement for DCA70SSJU4i generator service and maintenance. DHS Equipment stocks this part to keep your generator operating without fluid or pressure leaks.
Key Features
- Exact-Grade Sealing Material — Manufactured to the precise durometer and compound specification required for the DCA70SSJU4i's sealing environment, ensuring consistent compression and leak-free performance.
- Drop-In OEM Replacement — Matches the original cross-section diameter and inner diameter exactly, seating correctly in the machined groove without trimming or adjustment.
- Confirmed Fitment for DCA70SSJU4i — Verified for the DCA70SSJU4i ultra-silent diesel generator series; always cross-reference your model before ordering.
- Prevents Fluid and Pressure Loss — A worn or cracked O-ring in a generator system can cause oil seepage, coolant loss, or air pressure bleed-off that degrades output stability; this part restores the original seal integrity.
- Fuel and Fluid System Safety — Proper O-ring sealing is critical in fuel and hydraulic circuits to prevent leaks that could create fire risk or environmental hazard on the job.
An O-ring is a circular elastomeric seal that sits in a machined groove between two mating surfaces, compressing to block the passage of fluids or gases under pressure. In diesel generator systems like the DCA70SSJU4i, O-rings are used throughout the fuel delivery, lubrication, and cooling circuits to maintain system pressure and prevent contamination. When an O-ring hardens, cracks, or deforms with age and heat cycles, it loses its ability to seal, leading to leaks that can compromise generator performance, create safety hazards, and accelerate wear on surrounding components.
For fitment questions or help confirming this part is correct for your DCA70SSJU4i generator, contact the DHS Equipment team before ordering.
Part Details
| Part Number | R74354 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | O-Ring DCA70SSJU4i |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA70SSJU4i |
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.
