The Multiquip AR28482 Radiator Cap is a genuine OEM component designed for the DCA125SSJU ultra-silent diesel generator. As a direct OEM replacement, this cap is built to the exact pressure rating and sealing specification required by the cooling system on the DCA125SSJU — ensuring the system operates within its designed parameters from the moment it is installed. Sourced directly through authorized Multiquip supply channels, the part is the correct part for operators who need a verified, no-compromise solution for this machine.
Key Features
- OEM Pressure Rating Match — Manufactured to the exact pressure relief specification of the DCA125SSJU cooling system, maintaining proper coolant circulation and system integrity.
- Direct-Fit Replacement — Engineered to seat and seal on the factory radiator filler neck of the DCA125SSJU without any modification to the cap or the radiator.
- Genuine Multiquip OEM Part — Supplied as an authorized OEM component, meaning the materials, tolerances, and sealing surface geometry match the original cap specification exactly.
- Cooling System Protection — A correctly rated radiator cap holds system pressure to raise the coolant boiling point, protecting the engine from overheating during sustained generator load cycles.
- Fits DCA125SSJU Ultra-Silent Generator — Confirmed fitment for the DCA125SSJU, Multiquip's ultra-silent diesel generator series built for noise-sensitive and continuous-duty applications.
The radiator cap on a diesel generator serves as the pressure-regulating seal for the entire engine cooling system. By maintaining a set pressure inside the cooling circuit, it raises the boiling point of the coolant and allows the system to operate efficiently under heavy load. When a radiator cap wears out or loses its sealing ability, system pressure drops, coolant can boil prematurely, and the engine becomes vulnerable to overheating — potentially causing costly damage to the generator. Replacing a faulty cap with the correct OEM-spec part like the part restores the cooling system to its intended operating condition.
Part Details
| Part Number | AR28482 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Radiator Cap |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA125SSJU |
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.
