The Multiquip M1454300204 Duct is a genuine OEM component designed for DCA20SPXU4F and DCA25SSIU4F series ultra-silent and super-silent diesel generators, including the DCA25SSIU4FC8 and DCA25SSIU4FC8 60Hz variants. As a direct OEM replacement, this duct is manufactured to the same specification as the original, ensuring correct fitment and consistent airflow performance within the generator enclosure. Verified fitment covers the DCA20SPXU4F SERVPRO configuration as well, making this a single-source solution across the applicable generator family.
Key Features
- Genuine OEM Construction: — Manufactured to original specification, ensuring the duct maintains the designed airflow path within the enclosure rather than allowing bypass or restriction that could affect cooling efficiency.
- Direct Enclosure Fit: — Engineered to align with the existing mounting points and panel openings inside the generator canopy, allowing straightforward installation without modification to adjacent components.
- Broad Generator Family Coverage: — Confirmed fitment for DCA20SPXU4F, DCA25SSIU4F, DCA25SSIU4FC8, DCA25SSIU4FC8 60Hz, and DCA20SPXU4F SERVPRO units.
- Sustained Thermal Management: — A correctly routed duct directs cooling air across critical internal components; a damaged or missing duct can cause heat buildup that shortens engine and alternator service life.
- Enclosure Integrity: — Proper duct routing also supports sound attenuation within ultra-silent and super-silent enclosures, helping the generator maintain its rated noise output under load.
The duct within a super-silent or ultra-silent generator enclosure channels airflow from the intake openings to the engine cooling system and alternator compartment, preventing recirculation of hot exhaust air. Without a properly sealed and positioned duct, cooling air takes unintended paths through the canopy, raising internal temperatures and undermining the generator's ability to run at full rated load. A worn, cracked, or missing duct can accelerate thermal wear on the engine and alternator windings and may cause the unit to derate or shut down on high-temperature protection.
For fitment questions or to confirm this part is correct for your specific unit's serial range, contact the DHS Equipment parts team.
Part Details
| Part Number | M1454300204 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Duct |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA20SPXU4F |
| Diesel Powered Generators | DCA25SSIU4F |
| Diesel Powered Generators | DCA25SSIU4FC8 |
| Diesel Powered Generators | DCA20SPXU4F SERVPRO |
| Diesel Powered Generators | DCA25SSIU4FC8 60Hz |
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.
