Impact part 0558373A is a complete motor replacement assembly designed for the Impact 440 sprayer. This assembly includes the electric motor, mounting hardware, and necessary components to restore power to the unit. Replacing a failed or worn motor restores reliable operation, proper pressure, and consistent spray performance.
| Part Number | 0558373A |
|---|---|
| Part Description | Motor Replacement Assembly |
| Brand | Impact |
| Fits | Impact 440 |
| Condition | New |
The Impact 0558373A Motor Replacement Assembly is a complete drop-in replacement for the electric motor on Impact 440 sprayers. It includes the motor, mounting bracket, electrical connections, and any necessary hardware for a straightforward installation. This assembly restores full power to the pump, ensuring consistent pressure and reliable spray performance.
Over time, electric motors can fail due to brush wear, bearing failure, thermal overload, or electrical issues. Symptoms of a failing motor include failure to start, intermittent operation, unusual noises, overheating, or reduced power output. Replacing the complete motor assembly with genuine Impact part 0558373A ensures proper fit, electrical compatibility, and reliable long-term operation.
| Power delivery | Converts electrical energy to mechanical power to drive the pump |
|---|---|
| Speed regulation | Maintains consistent RPM for stable pressure output |
| Complete drop-in replacement | Includes all necessary components for easy installation |
| No power / won't start | Motor does not run when power is applied |
|---|---|
| Intermittent operation | Motor starts and stops unpredictably |
| Unusual noises | Grinding, squealing, or knocking sounds from motor |
| Overheating | Motor runs hot and may trip thermal protection |
Part 0558373A is designed specifically for the Impact 440 sprayer. Always confirm fitment with your equipment's parts manual.
| Model | Description |
|---|---|
| Impact 440 | Airless Sprayer |
When replacing the motor assembly, inspect these associated components to ensure a complete repair.
Start or run capacitors can fail; test and replace if necessary.
Inspect the connection between motor and pump for wear or damage.
Check electrical components for damage or corrosion.
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