# Star Trac 9-7631-MUSAPO Treadmill Lower Motor Control Board ASM-ACD1U-4C (BP579)

\## Star Trac 9-7631-MUSAPO Treadmill Lower Motor Control Board

The Star Trac 9-7631-MUSAPO Treadmill Lower Motor Control Board ASM-ACD1U-4C is a replacement lower control board for a Star Trac treadmill. This assembly helps serve as the lower motor control component within the treadmill’s control system. If the original board has failed or requires replacement, this part may help restore the proper operation of the compatible equipment.

## Product Details and Benefits

This Star Trac lower motor control board carries the assembly designation \*\*ASM-ACD1U-4C\*\* and the part number \*\*BP579\*\*. It belongs to the \*\*Lower Control Boards\*\* category and is identified by Star Trac as the brand or equipment manufacturer.

As a replacement electronic assembly, the board is intended for use in the treadmill’s lower control area. Replacing a damaged or faulty control board can help address equipment issues linked to the original board, subject to proper diagnosis and compatibility verification. The board provides a direct replacement option for service technicians, fitness equipment repair professionals, and facility operators maintaining Star Trac treadmill equipment.

The product name identifies this component as a lower motor control board assembly rather than a complete treadmill, motor, console, or upper control board. Buyers should select it only when they need the lower control board assembly specified for the applicable Star Trac treadmill.

## Compatibility and Applications

The \*\*Star Trac 9-7631-MUSAPO Treadmill Lower Motor Control Board ASM-ACD1U-4C\*\* is associated with Star Trac treadmill equipment identified by model or designation \*\*9-7631-MUSAPO\*\*. It is intended as a replacement lower motor control board assembly for that application.

Use this part when servicing a compatible Star Trac treadmill and replacing the corresponding lower motor control board. The part number \*\*BP579\*\* and assembly reference \*\*ASM-ACD1U-4C\*\* can help compare this item with the board currently installed in the machine. Always match the original part markings and treadmill information before ordering.

\### Why Choose This Replacement Board

Choosing the correct control board helps keep repairs focused on the failed component instead of replacing unrelated treadmill parts. This Star Trac replacement board gives repair personnel a clearly identified part number and assembly reference for service planning. Its defined application also makes it easier to compare the replacement with the existing lower control board.

For commercial gyms, fitness centers, service companies, and private treadmill owners, keeping the correct replacement part available can reduce delays when a compatible machine needs electrical service. Proper installation and testing should be handled by a qualified technician familiar with treadmill control systems.

## Before You Buy

Verify all available identifiers before placing an order:

\- \*\*Brand:\*\* Star Trac  
\- \*\*Equipment type:\*\* Treadmill  
\- \*\*Model or designation:\*\* 9-7631-MUSAPO  
\- \*\*Part type:\*\* Lower motor control board assembly  
\- \*\*Assembly reference:\*\* ASM-ACD1U-4C  
\- \*\*Part number:\*\* BP579  
\- \*\*Category:\*\* Lower Control Boards  
\- \*\*Listed serial reference:\*\* TRPN0804-U04545

The product page does not provide dimensions, material details, warranty information, package quantity, or installation instructions. Confirm the treadmill model, original board markings, and part number before purchase to help ensure the replacement matches your equipment.

## Details

- **Price:** 399.99 USD
- **Vendor:** Star Trac
- **Type:** Lower Control Boards
- **Tags:** All

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 399.99 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/star-trac-9-7631-musapo-treadmill-lower-motor-control-board-asm-acd1u-4c-bp579)
> Updated: 2026-08-29