The Multiquip M3454300604 Duct is a genuine OEM component designed for DCA150SSJU4F and DCA220SSJU4F ultra-silent diesel generators. As a direct factory replacement, this duct ensures proper airflow routing within the generator enclosure, maintaining the thermal management performance these units are engineered to deliver. Sourced directly from Multiquip, part number M3454300604 is the correct OEM specification for both the DCA150SSJU4F and DCA220SSJU4F series, including 60Hz configurations.
Key Features
- Genuine OEM Airflow Integrity — Manufactured to exact OEM dimensions, ensuring the duct channels cooling air precisely as designed for ultra-silent enclosure performance.
- Direct Drop-In Replacement — Matches the original mounting points and duct geometry for a straightforward installation with no trimming or adaptation.
- Confirmed Fitment — Verified for use with DCA150SSJU4F and DCA220SSJU4F ultra-silent diesel generators, including the 60Hz DCA220SSJU4F variant.
- Enclosure Thermal Protection — A correctly fitted duct prevents hot air recirculation inside the canopy, protecting the engine and alternator from heat-related stress during extended operation.
- Operational Safety Compliance — Proper airflow ducting is critical in enclosed generator sets; using the correct OEM duct helps maintain safe operating temperatures and supports compliance with the unit's designed ventilation requirements.
The duct in a super-silent generator enclosure is responsible for directing cooling air through the canopy in a controlled path — typically routing fresh intake air across the engine and radiator and exhausting hot air out of the enclosure without allowing it to recirculate. When this duct is cracked, deformed, or missing, hot air can cycle back into the intake, causing the engine to run hotter than intended and potentially triggering thermal shutdowns or accelerating wear on internal components. Keeping this component intact is essential to the generator's ability to sustain rated output during continuous use.
Part Details
| Part Number | M3454300604 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Duct |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DCA150SSJU4F |
| Diesel Powered Generators | DCA220SSJU4F |
| Diesel Powered Generators | DCA220SSJU4F 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.
