The Multiquip 7812014003 is a genuine OEM Drain Joint designed for a range of Multiquip diesel light welders, diesel arc welders, and diesel-powered generators — including the DLW400ESA4, DLW330X2, DAW500SA4, DLW400ES/ESA/ESA1, DLW300ES/ESA/ESA1, DAC7000SSA, DAC7000SSW, DAC7000SS, DA7000SSA2GH, and DA7000SSA2. As a genuine OEM component sourced directly from Multiquip, part 7812014003 is manufactured to the same specifications as the original part it replaces. Ordering the correct drain joint by part number ensures a proper connection and helps you get your equipment back in service without guesswork.
Key Features
- Genuine OEM Construction — Manufactured to Multiquip's original design specifications, ensuring the correct thread form, port diameter, and material grade for a fluid-tight seal in drainage applications.
- Drop-In Replacement — Engineered to connect directly to the existing drain port on compatible units, matching the original attachment points without rework or adaptation.
- Broad Fitment Across Welder and Generator Families — Confirmed for DLW and DAW welder series as well as DAC7000 and DA7000 super-silent diesel generator models.
- Leak-Free Drainage Performance — A correctly seated drain joint maintains a secure, drip-free connection during fluid drainage service intervals; a cracked or cross-threaded joint risks fluid contamination and messy servicing.
- Fluid System Safety — Proper drain joint integrity is essential when draining fuel or coolant — a failed joint can allow uncontrolled fluid release, creating a fire or slip hazard on the worksite.
A drain joint is the threaded fitting that connects the drain port of the machine's fluid system — whether fuel, oil, or coolant — to the external drainage path used during service. It creates a secure, sealed termination point that allows controlled fluid removal when the drain is opened and prevents leaks during normal operation. When a drain joint becomes cracked, stripped, or corroded, it can no longer hold a proper seal, leading to fluid weeping, difficult servicing, and potential contamination of surrounding components.
For help confirming this part fits your specific unit, contact the DHS Equipment team with your model and serial number.
Part Details
| Part Number | 7812014003 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Drain Joint |
Compatibility & Fitment
| Name | Model |
|---|---|
| Welders | DLW400ESA4 |
| Welders | DLW330X2 |
| Welders | DAW500SA4 |
| Welders | DLW400ES |
| Welders | DLW400ESA |
| Welders | DLW400ESA1 |
| Welders | DLW300ES |
| Welders | DLW300ESA |
| Welders | DLW300ESA1 |
| Diesel Powered Generators | DAC7000SSA |
| Diesel Powered Generators | DAC7000SSW |
| Diesel Powered Generators | DAC7000SS |
| Diesel Powered Generators | DA7000SSA2GH |
| Diesel Powered Generators | DA7000SSA2 |
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.
