## Lifespan TR4000i Treadmill Left Hand Sensor with Incline Switch
The Lifespan TR4000i Treadmill Left Hand Sensor with Incline Switch is a replacement treadmill control component for the left-hand side of a compatible Lifespan TR4000i treadmill. This sensor assembly includes the incline switch, allowing the user to operate the related incline control from the treadmill handle. If the original left-hand sensor or incline switch has become damaged, worn, or unresponsive, this replacement part can help restore the intended control function.
Product Details and Benefits
This Lifespan treadmill sensor is identified as part number and SKU **SS88**. It belongs to the **Sensors** category and is designed specifically for the left-hand control area of the Lifespan TR4000i treadmill.
The component combines a left-hand sensor with an incline switch in one replacement assembly. The sensor and switch support the control interface located on the treadmill’s left handle. Replacing the affected component may help address a faulty, damaged, or missing left-hand control part, provided the treadmill matches the stated model.
Each part is carefully inspected by skilled technicians before sale. This inspection helps confirm that the component is the correct model and part type listed for the product. The part is supplied as a used fitness replacement component, making it a practical option for repairing existing equipment instead of replacing an entire treadmill or control assembly.
Used fitness parts can also help reduce unnecessary waste by keeping serviceable equipment components in use. This replacement part may suit treadmill owners, repair technicians, fitness equipment service businesses, and anyone maintaining a Lifespan TR4000i for regular home or facility use.
Compatibility and Applications
The **SS88 Lifespan left-hand sensor with incline switch** is listed for the:
- **Brand:** Lifespan
- **Equipment type:** Treadmill
- **Compatible model:** TR4000i
- **Part type:** Left-hand sensor with incline switch
- **Category:** Sensors
- **Part number/SKU:** SS88
This part is intended to replace the corresponding left-hand sensor and incline switch on a Lifespan TR4000i treadmill. It is not described as a universal treadmill sensor or a component for multiple Lifespan models. Use the model and part details to confirm that it matches the component currently installed on your machine.
### Why Choose This Replacement Part
Choosing the correct replacement sensor can help you repair a specific treadmill control issue without replacing unrelated components. The combined sensor and incline switch design keeps the replacement focused on the left-hand control section of the Lifespan TR4000i. The part has also been inspected by technicians, which provides an additional check before shipping.
A used replacement component may offer a cost-conscious way to maintain an existing treadmill while supporting reuse of fitness equipment parts.
Before You Buy
Confirm that your treadmill is a **Lifespan TR4000i** and compare the existing left-hand sensor and incline switch with the product details before ordering. The SKU and part number for this item are **SS88**. Product images are provided for reference, and the seller notes that images may vary slightly because multiple parts are in stock. The supplied item will remain the exact model and part listed.
Installation information, dimensions, material, color, warranty, and package quantity are not provided. Contact the seller if you need additional details before purchase.