# StarTrac 9-3573-MUSAP3 Treadmill Lower Motor Control Board 740-6002 (BP448)

\## Star Trac 9-3573-MUSAP3 Treadmill Lower Motor Control Board

The Star Trac 9-3573-MUSAP3 Treadmill Lower Motor Control Board is a replacement lower control board for a Star Trac treadmill. It carries part number 740-6002 and product code BP448. This board belongs to the treadmill’s lower control system and supports the motor-control functions needed for normal equipment operation. If the original lower motor control board has failed or needs replacement, this part may help restore the treadmill’s control system when the model and part numbers match.

## Product Details and Benefits

This product is a lower motor control board designed for Star Trac treadmill equipment. The board serves as an internal electronic control component rather than a user-facing treadmill accessory. It works within the lower section of the machine and is associated with the treadmill motor-control circuit.

Replacing a faulty control board can help address problems linked to the treadmill’s lower electronics. However, a control board is only one possible cause of treadmill faults. A qualified technician should inspect the machine and confirm the failed component before installation.

Product identification details include:

\- \*\*Brand:\*\* Star Trac  
\- \*\*Product type:\*\* Treadmill lower motor control board  
\- \*\*Compatible equipment listed:\*\* Star Trac 9-3573-MUSAP3 treadmill  
\- \*\*Part number:\*\* 740-6002  
\- \*\*SKU/product code:\*\* BP448  
\- \*\*Barcode:\*\* BP448  
\- \*\*Associated serial number:\*\* TRSX1601-L01084

The product page does not provide dimensions, material information, color, electrical ratings, connector details, warranty terms, or package contents. Review these details with the seller or compare the existing board before ordering if they are important to your repair.

## Compatibility and Applications

The Star Trac 9-3573-MUSAP3 Treadmill Lower Motor Control Board is listed for use with the Star Trac 9-3573-MUSAP3 treadmill. It is intended as a replacement for the treadmill’s original lower motor control board, identified by part number 740-6002.

This part may suit repair shops, treadmill service technicians, gyms, commercial fitness facilities, and equipment owners repairing a compatible Star Trac treadmill. Compatibility should be based on the treadmill model, the part number printed on the existing board, and the available serial-number information. Do not rely on appearance alone, since boards with similar layouts may use different electrical specifications or connectors.

\## Why Choose This Replacement Board

Choosing a correctly identified replacement board can make the repair process more straightforward than trying to modify an unrelated control component. Matching the original Star Trac model and 740-6002 part number helps reduce the risk of ordering the wrong lower control board. The BP448 product code also provides another reference point when discussing the part with a technician or comparing it with the board already installed in the treadmill.

## Before You Buy

Confirm that your treadmill is a \*\*Star Trac 9-3573-MUSAP3\*\* model. Compare the existing lower motor control board with part number \*\*740-6002\*\* and check the available serial-number reference, \*\*TRSX1601-L01084\*\*. Because the product page does not list installation instructions or technical specifications, have a qualified service professional verify compatibility and install the board according to the treadmill’s service requirements.

## Details

- **Price:** 229.99 USD
- **Vendor:** Star Trac
- **Type:** Lower Control Boards
- **Tags:** All

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 229.99 USD | In stock |

## Images

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## Additional Information

- **Condition:** PREOWNED

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> Source: [Cardio Equipment Parts](https://www.cardioequipmentparts.com/products/startrac-9-3573-musap3-treadmill-lower-motor-control-board-740-6002-bp448)
> Updated: 2026-08-29