## Star Trac 9-3561-MUSAPO Treadmill Heart Rate Pulse Handlebar & Safety Key
The **Star Trac 9-3561-MUSAPO Treadmill Heart Rate Pulse Handlebar & Safety Key** is a preowned replacement fitness equipment part for the Star Trac 9-3561-MUSAPO treadmill. It combines the treadmill’s heart rate pulse handlebar component with its safety key, making it a practical choice when an original part needs replacement. This item carries the SKU **SK260** and part number **40-6186-KT**.
Product Details and Benefits
This Star Trac treadmill part supports two important functions. The pulse handlebar provides the contact point used by the treadmill’s heart rate monitoring system, while the safety key works with the treadmill’s safety system. Replacing a missing, damaged, or worn component can help restore the treadmill’s intended operation, provided the part matches the equipment and the original connection requirements.
The item is sold in **preowned condition**. Each part has been carefully inspected by skilled technicians for performance and safety before shipment. Because this is a used fitness equipment component, it offers an option for maintaining existing equipment without purchasing an entirely new treadmill or searching for a factory-new assembly.
This part may also help extend the service life of a Star Trac treadmill. Reusing inspected fitness equipment components reduces unnecessary waste and keeps functional parts in circulation.
### Product identification
- **Brand:** Star Trac
- **Product name:** 9-3561-MUSAPO Treadmill Heart Rate Pulse Handlebar & Safety Key
- **Product category:** Treadmill safety key and heart rate pulse handlebar assembly
- **Model:** 9-3561-MUSAPO
- **Part number:** 40-6186-KT
- **SKU / barcode:** SK260
- **Condition:** Preowned
- **Serial number:** N/A
Compatibility and Applications
The Star Trac 9-3561-MUSAPO treadmill heart rate pulse handlebar and safety key is intended for use with the **Star Trac 9-3561-MUSAPO treadmill**. It is suitable for treadmill owners, fitness equipment service technicians, repair shops, gyms, and home users who need a replacement part for this specific Star Trac machine.
Use the part to replace the corresponding heart rate pulse handlebar and safety key assembly on a compatible treadmill. Compatibility depends on the treadmill model and the original part configuration, so compare the model number, part number, component shape, and connection points before ordering.
## Why Choose This Preowned Star Trac Part?
This component can help you maintain an existing Star Trac treadmill while avoiding the cost and waste associated with replacing the entire machine. Technician inspection adds an important check before sale, and the clearly listed model and part numbers make it easier to compare the item with the part already installed on your treadmill.
The preowned condition also makes this part suitable for repairs where an original replacement is preferred over a generic alternative.
Before You Buy
Confirm that your treadmill is the **Star Trac 9-3561-MUSAPO model** and that the existing component matches part number **40-6186-KT** or SKU **SK260**. Product images serve as a reference only because multiple units may be in stock, and individual parts may show slight visual differences. The seller states that each shipped item will be the exact model and part listed. Contact the seller if you need additional information before ordering.
