## StarTrac 9-3573-MUSAP3 Treadmill Power Switch Board
The StarTrac 9-3573-MUSAP3 Treadmill Power Switch Board is a pre-owned lower control board designed to manage the main power function of a compatible StarTrac treadmill. This replacement power switch board helps route electrical power from the outlet to the treadmill’s internal electronics and motor. If your treadmill does not power on correctly, has a faulty power switch board, or needs a replacement for a damaged original component, this part may help restore normal operation.
Product Details and Benefits
This StarTrac treadmill power board carries part number **9-3573-MUSAP3** and SKU **BP454**. It serves as an important part of the treadmill’s electrical system, controlling the flow of power when the machine is switched on or off. A working board allows the treadmill’s computer, motor, and related electrical components to receive the power they need for operation.
The part is **pre-owned** and was sourced from a decommissioned treadmill. According to the product listing, it has been inspected and tested for operational integrity before being offered for sale. Reusing an original equipment part can provide a practical way to repair existing StarTrac fitness equipment while avoiding the cost of replacing the entire treadmill.
This board supports the treadmill’s basic power-up function for walking, running, and other programmed workouts. Replacing a failed or unreliable power switch board may help return the machine to service and reduce unnecessary downtime in a home gym, fitness facility, or service workshop.
Compatibility and Applications
The **StarTrac 9-3573-MUSAP3 Power Switch Board** is intended for use with compatible **StarTrac treadmills**. It is a replacement component for the treadmill’s original power switch board and is designed to perform the same core electrical switching function.
The product listing does not provide a complete list of compatible StarTrac treadmill model numbers. For that reason, buyers should compare the part number, board markings, connectors, and original component before ordering. The part number **9-3573-MUSAP3** should match the board being replaced. If your treadmill has a different board number or a different connector layout, confirm compatibility with a qualified treadmill technician before purchase.
This part may suit several repair situations, including a treadmill that will not turn on, a machine with an intermittent power connection, or equipment requiring replacement of the lower control or power-switch board. It is intended for repair use rather than as a standalone treadmill accessory.
## Why Choose This Replacement Board?
A compatible replacement board can help extend the working life of a StarTrac treadmill without replacing the complete machine. This pre-owned OEM component offers a cost-conscious option for gym owners, technicians, and home users who need to repair existing equipment. Its original design helps maintain the treadmill’s intended power-control layout without relying on adapters or modifications, provided the board matches the original part.
Before You Buy
- **Brand:** StarTrac
- **Product:** Treadmill Power Switch Board
- **Part number:** 9-3573-MUSAP3
- **SKU/barcode:** BP454
- **Category:** Lower Control Boards
- **Condition:** Pre-owned
- **Intended equipment:** Compatible StarTrac treadmill
Check your treadmill’s model information and existing board number before ordering. Professional installation may be appropriate because this component connects to the treadmill’s electrical system. Package contents, warranty information, dimensions, and a complete compatibility list are not specified in the product listing.
