The Multiquip 1733173342 Water Pipe Return is a genuine OEM component designed for DLW400ES, DLW400ESA, and DLW400ESA1 series diesel light welders. As a direct factory replacement, this part meets the original engineering specifications for the D1403/V2203 engine cooling circuit found in these machines. Sourced directly through Multiquip's authorized parts network, the 1733173342 is the correct OEM choice for restoring cooling system integrity on your DLW400ES welder.
Key Features
- Genuine OEM Cooling Circuit Integrity — Manufactured to the original material and dimensional spec for the D1403/V2203 engine cooling path, ensuring correct flow rates and pressure retention throughout the return line.
- Direct Drop-In Replacement — Engineered to connect at the factory routing points on DLW400ES series machines, so installation follows the original assembly without modification to adjacent hoses or fittings.
- Confirmed Fitment for DLW400ES Series — Compatible with DLW400ES, DLW400ESA, and DLW400ESA1 diesel light welder models; verify your engine code before ordering.
- Protects Engine from Thermal Damage — A properly functioning water return pipe maintains consistent coolant circulation back to the engine. A cracked or blocked return line restricts flow and can lead to overheating and costly engine damage.
- Fuel System and Cooling Safety Compliance — On diesel-powered equipment, maintaining sealed, leak-free coolant return lines is critical to safe continuous operation and prevents coolant contamination risks near fuel and electrical systems.
The water pipe return is a critical component in the engine cooling circuit, responsible for routing coolant from the engine or heat exchanger back through the system to complete the closed-loop cooling cycle. On diesel-powered equipment like the DLW400ES series, consistent coolant flow through this return line keeps engine temperatures within safe operating limits during sustained welding or generating loads. When this pipe cracks, leaks, or becomes restricted, coolant circulation is disrupted, leading to rising engine temperatures, potential overheating shutdowns, and risk of long-term engine damage if not addressed promptly.
For assistance confirming fitment or to check availability of the Multiquip 1733173342, contact the DHS Equipment parts team directly.
Part Details
| Part Number | 1733173342 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Water Pipe Return |
Compatibility & Fitment
| Name | Model |
|---|---|
| Welders | DLW400ES |
| Welders | DLW400ESA |
| Welders | DLW400ESA1 |
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.
