The Multiquip 1988373030 Water Pump Assembly is a genuine OEM component designed for DAC7000SS, DAC7000SSW, and DAC7000SSA ultra-silent diesel generators, as well as DLW300ES series diesel light welders. Sourced directly from Multiquip, this assembly meets the exact specifications required for proper coolant circulation in these machines. If your generator or welder is running hot or showing signs of coolant flow issues, replacing the water pump assembly with part number 1988373030 restores the cooling system to correct operating condition.
Key Features
- Genuine OEM Construction — Manufactured to Multiquip's exact tolerances for impeller clearance and seal integrity, ensuring correct coolant flow volume through the engine cooling circuit.
- Direct-Fit Replacement — Mounts directly to the engine block using the original bolt pattern and outlet configuration, allowing a straightforward swap without modification to hose routing or mounting hardware.
- Broad Series Compatibility — Confirmed fitment across DAC7000SS, DAC7000SSW, and DAC7000SSA ultra-silent generators and DLW300ES series light welders, covering multiple configurations within these product families.
- Sustained Engine Temperature Control — A properly functioning pump maintains consistent coolant circulation, preventing overheating during extended generator or welder run times under load.
- Cooling System Safety — On generator and welder applications where continuous operation is critical, a failed water pump can trigger thermal shutdowns or cause engine damage; using the correct OEM assembly mitigates that risk.
The water pump assembly circulates coolant through the engine's cooling system, drawing heat away from the cylinder head and block and transferring it to the radiator where it is dissipated. In diesel-powered generators and welders like the DAC7000SS and DLW300ES series, the pump runs continuously whenever the engine is operating, making it a high-wear component over time. When the pump fails — commonly due to seal wear, bearing failure, or impeller damage — coolant flow drops, engine temperatures rise, and the machine will shut down or sustain internal damage if left unaddressed.
Part Details
| Part Number | 1988373030 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Water Pump Assembly |
Compatibility & Fitment
| Name | Model |
|---|---|
| Diesel Powered Generators | DAC7000SS |
| Diesel Powered Generators | DAC7000SSW |
| Diesel Powered Generators | DAC7000SSA |
| 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.