The Multiquip R61871 O Ring 4045TF250 DCA-85SSJU is a genuine OEM O-ring designed for Diesel Powered Generator equipment in the DCA ultra-silent generator series. As a direct OEM replacement, this part is sourced and supplied to the exact specification required for proper sealing performance in your generator. DHS Equipment stocks this part to help you get your machine back to full operation with the correct component the first time.
Key Features
- Precision-Matched Seal Geometry — Manufactured to OEM tolerances for correct compression fit within the sealing groove, ensuring no fluid bypass or pressure loss.
- Genuine OEM Quality — Sourced directly through Multiquip's OEM supply chain, meaning the material grade, durometer, and dimensional profile match the original component exactly.
- Generator-Specific Application — Engineered specifically for the 4045TF250 engine configuration used in DCA-series Diesel Powered Generators, so it seats correctly without modification.
- Leak Prevention at the Source — A worn or degraded O-ring leads to fluid seepage, pressure drop, and potential engine damage; replacing it with this part restores the sealed system integrity.
- Drop-In Installation — Profiles and dimensions correspond directly to the OEM part it replaces, allowing straightforward swap-out during routine service or emergency repair.
An O-ring is a looped elastomeric seal that sits within a machined groove to create a pressure-tight barrier between two mating surfaces or components. In a diesel generator application, O-rings are used throughout the engine's fluid systems — including fuel, oil, and coolant circuits — to prevent leaks that could compromise lubrication, cooling, or fuel delivery. When an O-ring hardens, cracks, or deforms over time, it loses its ability to maintain that seal, which can result in fluid loss, system contamination, or engine overheating. Replacing a failed O-ring promptly with the correct OEM part is one of the most straightforward and cost-effective ways to protect a generator from more serious mechanical damage.
Part Details
| Part Number | R61871 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | O Ring 4045TF250 DCA-85SSJU |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA85SSJU |
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.
