Multiquip Y0378100170 Aeroflex Tube Denyo

The Multiquip Y0378100170 Aeroflex Tube Denyo is a genuine OEM component designed for the DLW500ESA4 diesel light welder. Sourced directly through Multiquip's authorized parts network, this tube delivers an exact fit to the original specification without modification. If you're servicing a DLW500ESA4 welder, part number Y0378100170 is the correct OEM replacement to restore your machine to proper working order.

Key Features

• Genuine OEM Construction — Manufactured to Multiquip's original design tolerances, ensuring the tube seats, seals, and performs exactly as the factory-installed unit did.
• Direct-Fit Replacement — Engineered specifically for the DLW500ESA4 platform, so the tube connects and routes correctly within the existing assembly without rework.
• Confirmed DLW500ESA4 Fitment — Verified OEM fitment for the Multiquip DLW500ESA4 diesel light welder series.
• Maintains Airflow Integrity — A sound Aeroflex tube ensures consistent, unobstructed airflow routing within the machine, supporting stable thermal management during extended operation.
• Backed by Multiquip OEM Parts Sourcing — Sold by DHS Equipment as an authorized Multiquip parts supplier, giving you confidence in part authenticity and correct application.

An Aeroflex tube is a flexible ducting component used to route and channel airflow within the machine's cooling or ventilation system. Its flexible construction allows it to bridge rigid components while absorbing vibration and accommodating slight positional differences in the assembly. When this tube cracks, collapses, or detaches, airflow is disrupted, which can lead to inadequate cooling and potential overheating during heavy-duty welding or generating operations. Replacing a worn tube promptly with the correct OEM part keeps the thermal system functioning as designed.

Need help confirming this is the right part for your machine? Contact the DHS Equipment parts team with your model and serial number for verification before ordering.

Part Details

Compatibility & Fitment

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.