The Multiquip M4453300504 Duct is a genuine OEM component designed for DCA220SSJ, DCA220SSJU, and DCA180SSJU ultra-silent diesel generator models. As a direct OEM replacement, it meets the original engineering specifications set for these machines, ensuring proper airflow routing within the enclosure. This duct is confirmed to fit the DCA220SSJ, DCA220SSJU, and DCA180SSJU series, making it a straightforward service replacement for technicians and fleet operators working on these units. Sourcing the correct OEM part number M4453300504 is the surest way to restore the generator to proper operating condition.
Key Features
- Genuine OEM Air Routing Integrity — Manufactured to the original dimensional and material specifications that govern correct airflow channeling inside the generator enclosure.
- Drop-In Installation — Engineered to align with the existing mounting points and mating surfaces within the DCA-series enclosure for a straightforward service replacement.
- Confirmed Fitment — Verified for use on DCA220SSJ, DCA220SSJU, and DCA180SSJU ultra-silent diesel generators.
- Sustained Cooling Performance — A properly seated duct directs cooling air along the correct internal path; a damaged or missing duct can cause hot spots, uneven airflow, and thermal stress on engine and alternator components.
- Thermal Safety Compliance — Correct airflow management is critical in enclosed generator sets where heat buildup can trigger automatic shutdowns or cause damage to sensitive electrical components.
The duct inside an ultra-silent generator enclosure serves as a dedicated airflow channel, directing intake and exhaust air along a controlled path to cool the engine and alternator while keeping exhaust gases separated from the clean-air side of the enclosure. Without a properly fitted duct, cooling efficiency drops and hot air can recirculate, raising operating temperatures beyond design limits. On a generator tasked with continuous or standby duty, maintaining this airflow path is essential to long-term performance and safe operation.
Part Details
| Part Number | M4453300504 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Duct |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA220SSJ |
| Diesel Powered Generators | DCA220SSJU |
| Diesel Powered Generators | DCA180SSJU |
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.
