The Multiquip 15321 is a genuine OEM Sealing Cap designed for DLW and DAC/DA series diesel welders and generators, including the DLW400ES, DLW300ES, DAC7000SS, and DA7000SSA2 families. As an authorized Multiquip OEM part, the 15321 is manufactured to the same specifications as the original component, ensuring a correct, dependable fit every time. Sourced directly through DHS Equipment, this part is backed by Multiquip's OEM supply chain so you can trust what you're getting. Confirm your model code against the fitment list before ordering to ensure compatibility.
Key Features
- Genuine OEM Sealing Integrity — Manufactured to Multiquip's original compression and material specifications, maintaining the seal integrity this cap was designed to provide in welder and generator applications.
- Direct Drop-In Replacement — Engineered to match the original mounting point exactly, so installation requires no rework or modification to surrounding components.
- Broad Fitment Across Two Machine Families — Compatible with DLW400ES, DLW300ES, DAC7000SS, DAC7000SSA, DAC7000SSW, DA7000SSA2, and DA7000SSA2GH series equipment.
- Protects Critical Internal Passages — A properly functioning sealing cap prevents contamination and fluid ingress at its designated port, protecting the components it covers from premature wear or failure.
- Fuel and Fluid System Compliance — On diesel-powered equipment, maintaining proper sealing at all cap points is essential to safe fuel and fluid system operation; using the correct OEM cap avoids the risks associated with ill-fitting substitutes.
A sealing cap closes off and protects an open port, passage, or fitting on a machine's fuel, fluid, or pneumatic system. Its job is to prevent contaminants such as dirt, moisture, and debris from entering the system, while also containing any fluid or pressure within. On diesel welders and generators like the DLW and DAC/DA series, maintaining a proper seal at every port is critical to consistent performance and long service life. When a sealing cap cracks, deforms, or goes missing, the exposed passage becomes a pathway for contamination that can lead to component damage and unplanned downtime.
For questions about fitment or to confirm this is the right part for your machine, contact DHS Equipment directly — our team is here to help you get the correct part the first time.
Part Details
| Part Number | 15321 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Sealing Cap |
Compatibility & Fitment
| Name | Model |
|---|---|
| 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.
