The Multiquip 0602011064 Radiator Cap is a genuine OEM component designed for DLW300ES, DLW300ESA, and DLW300ESA1 series diesel light welders. As a direct OEM replacement, this cap is sourced from Multiquip and meets the exact pressure and sealing specifications required for the cooling system on these machines. Confirm your model code before ordering to ensure a correct, direct fit.
Key Features
- Correct Pressure Rating: — Engineered to the exact pressure specification for the DLW300ES cooling system, ensuring the radiator operates within its designed pressure range.
- Genuine OEM Sourcing: — Supplied directly by Multiquip, this cap matches the original component in sealing material, valve design, and cap diameter — no substitution guesswork.
- Verified Fitment: — Confirmed for DLW300ES, DLW300ESA, and DLW300ESA1 diesel light welder models by Multiquip part number 0602011064.
- Cooling System Integrity: — A properly functioning radiator cap maintains the closed-loop pressure that raises the coolant boiling point — critical for sustained output during continuous welding operations.
- Direct Drop-In Replacement: — Installs onto the radiator filler neck the same way as the original, requiring only a quarter-turn to seat and lock securely.
A radiator cap does more than seal the cooling system — it acts as a pressure regulator that controls the maximum pressure inside the radiator and coolant reservoir. By maintaining the correct pressure, it raises the boiling point of the coolant, preventing overheating during demanding, continuous-duty operation. When a radiator cap fails or loses its seal, the cooling system loses pressure, coolant can boil off prematurely, and the engine becomes vulnerable to thermal damage — making timely replacement essential for protecting the welder's engine and maintaining consistent power output on the job.
Part Details
| Part Number | 0602011064 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Radiator Cap |
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.
