The Multiquip 6216849390 Vintage O-Ring SA6D125 is a genuine OEM sealing component designed for the DCA-275SPK ultra-silent diesel generator. Sourced directly from Multiquip, this O-ring is engineered to meet the original sealing specifications of the SA6D125 engine configuration used in legacy DCA-275SPK units. If you are servicing or restoring older DCA-275SPK equipment, using the correct OEM-specified part ensures the seal performs as originally intended without compromise.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to the original material and compression specifications for the SA6D125 engine, ensuring a proper fluid-tight seal where it counts.
- Vintage Application Coverage — Specifically designated for legacy DCA-275SPK generator configurations, making it the correct choice for older units still in service or undergoing restoration.
- Direct-Fit Replacement — Matches the original profile and durometer of the factory O-ring, seating correctly into existing grooves without modification.
- Prevents Leaks and Contamination — A correctly seated O-ring maintains system pressure and keeps fluids and contaminants separated, protecting internal engine components from accelerated wear.
- Supports Long-Term Serviceability — Keeping OEM-specified seals in aging equipment extends the service life of critical assemblies and helps avoid cascading failures from fluid ingress.
An O-ring is a precision-molded elastomeric seal used to prevent the passage of fluids or gases between mating surfaces or around rotating and static shafts. In diesel generator engines like the SA6D125, O-rings are used throughout the cooling, lubrication, and fuel systems to maintain pressure integrity and prevent leaks. When an O-ring degrades, hardens, or takes a set over time, it loses its ability to compress and seal effectively — leading to fluid leaks, pressure loss, or contamination that can damage surrounding components if left unaddressed.
Part Details
| Part Number | 6216849390 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Vintage O-Ring SA6D125 |
Compatibility & Fitment
| Name | Model |
|---|---|
| DCA-275SPK | DCA-275SPK |
| SA6D125 | SA6D125 |
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.
