The Multiquip D4268304403 Cooling Fin is a genuine OEM component designed for the DLW300ES series diesel light welder. This is a direct OEM replacement sourced through Multiquip's authorized parts network, so you can trust it matches the original specification of the cooling system it serves. The D4268304403 is confirmed to fit DLW300ES, DLW300ESA, and DLW300ESA1 models, making it the right call when you need a verified part for your machine.
Key Features
- Genuine OEM Construction — Manufactured to the same material and dimensional standards as the original cooling fin, ensuring correct airflow geometry and thermal dissipation performance specific to this engine cooling application.
- Direct Drop-In Replacement — Engineered to seat and mount identically to the original component, eliminating guesswork during installation on affected DLW300ES units.
- Confirmed Fitment — Compatible with DLW300ES, DLW300ESA, and DLW300ESA1 diesel light welder models; verify your model code before ordering to ensure an accurate match.
- Sustained Engine Temperature Control — A correctly functioning cooling fin channels airflow efficiently across the engine, preventing heat buildup that can lead to power loss, accelerated wear, or thermal shutdown during extended welding operations.
- Authorized OEM Part — Sold by DHS Equipment as an authorized Multiquip parts distributor, with the part number D4268304403 traceable directly to Multiquip's official parts catalog.
The cooling fin is a structural component of the engine's air-cooling system, designed to maximize the surface area exposed to airflow so that heat generated during operation is efficiently transferred away from the engine. On a diesel light welder like the DLW300ES, maintaining proper operating temperature is critical — the engine must sustain consistent output for welding demands over long run times. When a cooling fin becomes cracked, bent, or missing, airflow is disrupted and the engine is forced to run hotter than intended, which can shorten engine life and compromise output stability.
Part Details
| Part Number | D4268304403 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Cooling Fin |
Compatibility & Fitment
| Name | Model |
|---|---|
| Welders | DLW300ES |
| Welders | DLW300ESA |
| Welders | DLW300ESA1 |
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.
