# Precor M9.41si Treadmill Rear Idler Roller (RP571)

## Product Introduction

The \*\*Precor M9.41si Treadmill Rear Idler Roller (RP571)\*\* is a replacement treadmill roller for the rear section of a compatible Precor M9.41si treadmill. It belongs to the treadmill rollers category and carries the part number \*\*31825-102\*\*. If the rear roller on your treadmill needs replacement, this part may help you restore the correct roller assembly without replacing the entire machine.

A treadmill rear idler roller is positioned at the back of the running platform and forms part of the belt roller assembly. This component is intended for use with the \*\*Precor M9.41si treadmill\*\*. It may suit treadmill owners, repair technicians, fitness equipment service companies, and anyone sourcing a replacement component for an existing Precor machine.

## Product Details and Benefits

This product is identified as the \*\*Precor M9.41si Treadmill Rear Idler Roller\*\*, with the local product name \*\*RP571\*\*. The listed part number is \*\*31825-102\*\*, and the SKU and barcode are both \*\*RP571\*\*.

The rear idler roller is an important treadmill component because it forms part of the system that supports and guides the running belt at the rear of the machine. Replacing a worn, damaged, or otherwise unsuitable rear roller can help you address a specific roller-related repair instead of purchasing a complete treadmill.

This item is listed as \*\*preowned\*\*. Its condition makes it especially important to review the product details and confirm that the part matches your existing equipment before ordering. The listing does not provide dimensions, material information, color, warranty details, or installation instructions, so buyers should not assume specifications that are not shown.

## Compatibility and Applications

The \*\*RP571 rear idler roller is listed for the Precor M9.41si treadmill\*\*. It is intended for use as a replacement rear roller on that specific Precor treadmill model.

This part may be useful when servicing a Precor M9.41si treadmill that requires a replacement rear idler roller. It is not identified in the product information as a universal treadmill roller or as a part for other Precor models. If you own a different treadmill model, compare the original component and confirm compatibility before purchasing.

## Why Choose This Product

Choosing the correct replacement roller can make a treadmill repair more focused and practical. This part provides a model-specific option for customers looking for a rear idler roller rather than a complete treadmill assembly. The available part number, SKU, and model reference also give repair professionals and equipment owners useful details for comparing the item with an existing component or service record.

Because the item is preowned, it may provide a suitable replacement option for maintaining an older Precor treadmill, subject to condition and compatibility checks.

## Before You Buy

Confirm all of the following before placing your order:

\- \*\*Brand:\*\* Precor  
\- \*\*Compatible treadmill model:\*\* M9.41si  
\- \*\*Product type:\*\* Rear idler roller  
\- \*\*Part number:\*\* 31825-102  
\- \*\*SKU:\*\* RP571  
\- \*\*Condition:\*\* Preowned  
\- \*\*Listing serial number:\*\* 3XJ19K0061

Compare the part number and original rear roller with this listing whenever possible. If your treadmill has a different model designation or requires a different roller number, verify fitment before ordering. Installation requirements are not provided with the listing, so consult the treadmill’s service documentation or a qualified fitness equipment technician if needed.

## Details

- **Price:** 149.99 USD
- **Vendor:** Precor
- **Type:** Treadmill Rollers
- **Tags:** All

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 149.99 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/precor-m9-41si-treadmill-rear-idler-roller-rp571)
> Updated: 2026-08-29