# StarTrac 9-3573-MUSAP3 Treadmill Power Switch Board (BP454)

Give your StarTrac treadmill a seamless and reliable power-up with this pre-owned Power Switch Board. This essential component acts as the central command for your machine's electrical system, managing the crucial flow of power from the outlet to the treadmill's internal computer and motor. A fully functional switch board ensures your fitness sessions begin without a hitch, providing the steady and consistent power needed for every workout.

This specific board, part number 9-3573-MUSAP3, is a direct replacement designed for compatibility with a range of popular StarTrac treadmill models. Sourced from decommissioned units, this pre-owned part has been carefully inspected and tested to verify its operational integrity. Choosing this board offers a smart and sustainable solution, giving a high-quality original equipment manufacturer (OEM) part a second life while maintaining the performance standards you expect from your professional-grade equipment.

We understand the importance of keeping your treadmill in prime condition. This power switch board is the genuine article, ensuring a perfect fit and immediate functionality without the need for modifications or adapters. Its installation restores the core function of turning your machine on and off safely, protecting the intricate electronics from power surges and irregularities. This reliability means you can step onto your treadmill with confidence, ready to focus on your run, walk, or interval training.

By selecting this pre-owned OEM part, you invest in the longevity of your StarTrac equipment without the premium cost of a brand-new component. It’s a practical and economical choice for gym owners, technicians, and home users dedicated to maintaining their investment. This switch board delivers the dependable performance required to support countless miles of future workouts, keeping your fitness goals firmly within reach.

## Details

- **Price:** 129.99 USD
- **Vendor:** StarTrac
- **Type:** Lower Control Boards
- **Tags:** All

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 129.99 USD | In stock |

## Images

- BP454
- BP454
- BP454
- BP454
- BP454

## Additional Information

- **Condition:** PREOWNED

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> Source: [Cardio Equipment Parts](https://www.cardioequipmentparts.com/products/startrac-9-3573-musap3-treadmill-power-switch-board-bp454)
> Updated: 2026-08-21