# Horizon Fitness Elite 2.3T Treadmill Rear Idler Roller (RP523)

\## Horizon Fitness Elite 2.3T Treadmill Rear Idler Roller (RP523)

The Horizon Fitness Elite 2.3T Treadmill Rear Idler Roller is a replacement treadmill roller for the rear section of a compatible Horizon Fitness treadmill. It helps replace the original rear idler roller assembly when the existing part requires service or replacement. This component suits owners, repair technicians, and fitness equipment resellers who need a matching rear roller for a Horizon Fitness Elite 2.3T treadmill.

## Product Details and Benefits

This product is a rear idler roller designed for use in a treadmill belt and roller system. The roller forms part of the rear section of the treadmill and serves as a replacement for the corresponding original component. Installing the correct rear roller helps maintain the proper configuration of the treadmill assembly and supports routine equipment repair.

The product is listed as \*\*RP523\*\* and carries the manufacturer part number \*\*1000108449\*\*. Its product category is \*\*Treadmill Rollers\*\*. The item is supplied in \*\*preowned condition\*\*, so buyers should review the product photos and listing details carefully before ordering. The listing does not provide dimensions, material, color, warranty information, or package quantity.

A replacement treadmill roller can help when a rear roller needs changing during maintenance or when a matching part is required to restore a treadmill’s original assembly. Using the correct model-specific component also helps avoid ordering a roller that does not match the equipment.

## Compatibility and Applications

The Horizon Fitness Elite 2.3T Treadmill Rear Idler Roller is listed for the \*\*Horizon Fitness Elite 2.3T treadmill\*\*. The product page does not identify additional compatible Horizon Fitness models, other brands, or alternate equipment. Buyers should treat the Elite 2.3T as the stated application and should not assume that this roller fits other treadmills.

This part is intended for replacement use. It replaces the rear idler roller used in the compatible treadmill assembly. It is not a complete treadmill, treadmill belt, front roller, motor, or control component.

\### Product Identification

\- \*\*Brand:\*\* Horizon Fitness  
\- \*\*Product:\*\* Elite 2.3T treadmill rear idler roller  
\- \*\*Product type:\*\* Treadmill roller  
\- \*\*Part number:\*\* 1000108449  
\- \*\*SKU:\*\* RP523  
\- \*\*Barcode:\*\* RP523  
\- \*\*Condition:\*\* Preowned  
\- \*\*Listed equipment:\*\* Horizon Fitness Elite 2.3T treadmill  
\- \*\*Listed serial number:\*\* TM320-D06120641

## Before You Buy

Confirm that your treadmill is a \*\*Horizon Fitness Elite 2.3T\*\* and compare the existing rear idler roller with the product listing. Match the part number \*\*1000108449\*\* or SKU \*\*RP523\*\* whenever possible. If your equipment has a different model, brand, or roller position, verify compatibility before placing an order.

Because this is a preowned replacement part, its condition may differ from a new component. Check all available listing images and details to make sure the item meets your repair requirements. The product page does not state installation instructions, dimensions, materials, or included accessories, so confirm those details if they are important for your repair.

## Details

- **Price:** 79.99 USD
- **Vendor:** Horizon Fitness
- **Type:** Treadmill Rollers
- **Tags:** All

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 79.99 USD | In stock |

## Images

- RP523
- RP523
- RP523
- RP523
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## Additional Information

- **PartNumber:** 1000108449
- **Condition:** PREOWNED

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> Source: [Cardio Equipment Parts](https://www.cardioequipmentparts.com/products/horizon-fitness-elite-2-3t-treadmill-rear-idler-roller-rp523)
> Updated: 2026-08-29