PowrBeast part 0537361A is a replacement magnet used in the motor / speed‑sensing assembly of PowrBeast airless sprayers. It provides the magnetic field required for proper motor speed feedback; a weak or damaged magnet can cause erratic operation, speed fluctuations, or failure to start.
| Part Number | 0537361A |
|---|---|
| Part Description | Magnet |
| Brand | PowrBeast |
| Fits | PowrBeast 4700, 7700, 9700, 4700T |
| Condition | New |
The PowrBeast 0537361A Magnet is a critical component of the motor speed‑sensing system. It works in conjunction with a Hall‑effect sensor to provide accurate speed feedback to the control board. A properly functioning magnet ensures consistent pressure output, stable motor RPM, and reliable starting behavior.
Over time, the magnet can weaken, crack, or become dislodged from its mounting. This can result in intermittent shutdowns, surging pressure, or a “no‑start” condition where the motor fails to run. Replacing a degraded magnet with this genuine PowrBeast part restores correct sensor operation and overall sprayer performance.
| Speed feedback | Provides magnetic field for the Hall sensor to read motor RPM |
|---|---|
| Pressure regulation | Helps the control board maintain consistent output pressure |
| Starting circuit | Allows the motor to start correctly when the trigger is pulled |
| Motor won't start | No response when trigger is pulled; sensor not detecting magnet |
|---|---|
| Erratic pressure / surging | Unstable motor speed due to weak or intermittent magnetic signal |
| Physical damage | Cracked, broken, or missing magnet in the motor assembly |
| Intermittent shutdowns | Sprayer runs then stops unexpectedly; magnet signal drops out |
PowrBeast part 0537361A is compatible with the following models. Always verify fitment using the parts diagram for your specific sprayer revision.
| PowrBeast Model | Component |
|---|---|
| PowrBeast 4700 | Magnet (motor speed sensor) |
| PowrBeast 7700 | Magnet (motor speed sensor) |
| PowrBeast 9700 | Magnet (motor speed sensor) |
| PowrBeast 4700T | Magnet (motor speed sensor) |
Motor speed issues are often caused by multiple components. When replacing the magnet, inspect these related parts.
The sensor reads the magnet’s position; a failed sensor will mimic a bad magnet.
Can fail to interpret the sensor signal, causing erratic or no motor operation.
If the magnet is attached to the rotor, check for cracks, debris, or misalignment.
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