The Multiquip D5491400204 Rubber Seal is a genuine OEM component designed for the DLW-series diesel light welder/generator models, including the DLW400ES, DLW500ESA4, DLW330X2, and DLW400ESA4. As a factory-sourced replacement, part D5491400204 meets the original material and dimensional specifications required for a secure, lasting seal. This seal is a critical service part for keeping moisture, debris, and air from entering protected areas of your machine. DHS Equipment stocks this genuine Multiquip part to help you complete your repair correctly the first time.
Key Features
- Genuine OEM Sealing Performance — Manufactured to the original rubber compound and hardness spec, ensuring correct compression and contact pressure for this application.
- Drop-In Replacement — Matches the original profile and mounting interface of the DLW-series housing, allowing straightforward installation without trimming or shimming.
- Broad DLW-Series Compatibility — Confirmed fit for DLW400ES, DLW500ESA4, DLW330X2, and DLW400ESA4 diesel light welder/generator models.
- Protects Internal Components — A properly seated rubber seal prevents contaminant ingress that can accelerate wear on adjacent electrical and mechanical components inside the enclosure.
- Fuel and Fluid Integrity — Where seals are used in fuel or coolant circuits, a failed or degraded seal can cause leaks and unsafe operating conditions; replacing on schedule keeps the machine running cleanly and safely.
A rubber seal serves as a barrier between two mating surfaces, preventing the passage of fluids, air, or contaminants across that joint. In diesel welder/generator equipment like the DLW series, seals are used throughout the enclosure, fuel system, and engine assembly to maintain pressure, contain fluids, and protect sensitive components from the environment. When a seal deteriorates — through heat cycling, age, or compression set — it loses its ability to conform to the mating surface, allowing leaks or contamination that can lead to component damage and unplanned downtime.
Part Details
| Part Number | D5491400204 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Rubber Seal |
Compatibility & Fitment
| Name | Model |
|---|---|
| Welders | DLW400ES |
| Welders | DLW400ESA |
| Welders | DLW400ESA1 |
| Welders | DLW500ESA4 |
| Welders | DLW330X2 |
| Welders | DLW400ESA4 |
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.
