The Multiquip C89C0115010 Pressure Cap DNO DCA-45SSIU is a genuine OEM replacement designed for the DCA-45SSIU ultra-silent diesel generator. Sourced directly from Multiquip, this part meets the exact specifications required for correct cooling system operation on the DCA-45SSIU. Keeping the correct pressure cap in place is critical to maintaining proper coolant pressure and preventing overheating under load. If you're servicing or rebuilding the cooling system on a DCA-45SSIU, C89C0115010 is the correct OEM replacement to spec.
Key Features
- Genuine OEM Pressure Rating — Engineered to hold the exact pressure threshold required by the DCA-45SSIU cooling system, ensuring the radiator and coolant circuit operate within designed parameters.
- Direct Cooling System Fit — Designed to seat and seal directly onto the radiator fill neck of the DCA-45SSIU with no modification, maintaining a proper pressure-tight connection.
- Confirmed DCA-45SSIU Compatibility — Fitment verified for the Multiquip DCA-45SSIU ultra-silent diesel generator series.
- Prevents Coolant Loss and Overheating — A worn or failed pressure cap allows coolant to escape and drops system pressure, which can cause the engine to run hot and risk serious internal damage during extended generator operation.
- Cooling System Safety — A correctly rated pressure cap is essential for safe coolant system servicing; using an incorrect cap can cause sudden pressurized coolant release during maintenance.
A pressure cap does more than simply close the radiator — it regulates the pressure inside the cooling system to raise the boiling point of the coolant, keeping the engine at a stable operating temperature even under heavy load. When the pressure cap fails or loses its seal, coolant can boil off or escape, causing the engine to overheat and potentially sustaining serious damage to internal components. On a generator like the DCA-45SSIU, which is built for continuous-duty operation, a correctly functioning pressure cap is a small but essential part of keeping the machine running safely and consistently.
Need help confirming this is the right part for your machine? Contact the DHS Equipment team for fitment support.
Part Details
| Part Number | C89C0115010 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Pressure Cap DNO DCA-45SSIU |
Compatibility & Fitment
| Name | Model |
|---|---|
| DCA-45SSIU | DCA-45SSIU |
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.
