## True Fitness TTZ540 HRCO Treadmill Rear Idler Roller
The True Fitness TTZ540 HRCO Treadmill Rear Idler Roller (RP639) is a preowned replacement roller for the rear section of a compatible True Fitness treadmill. It replaces the original rear idler roller when the existing component needs replacement. If you are repairing a True Fitness TTZ540 HRCO treadmill, this part may help you restore the machine without replacing the entire treadmill.
Product Details and Benefits
This product is a treadmill rear idler roller listed under the True Fitness brand and Treadmill Rollers category. It carries part number **70352000** and SKU **RP639**. The item is sold in preowned condition and has been carefully inspected by skilled technicians before shipment.
The rear idler roller forms part of the treadmill belt system. Replacing a worn, damaged, or otherwise unsuitable roller can support the repair of the treadmill’s rear roller assembly. This makes the part useful for fitness equipment technicians, repair shops, service professionals, and treadmill owners handling maintenance on compatible equipment.
Because this is a used fitness component, its condition may differ from a factory-new part. However, each part is inspected for performance and safety before it is offered for sale. Purchasing a preowned treadmill roller can also provide a practical way to extend the service life of existing fitness equipment while keeping a usable component in circulation.
Compatibility and Applications
The **True Fitness TTZ540 HRCO Treadmill Rear Idler Roller** is a replacement part for the **True Fitness TTZ540 HRCO treadmill**. It is designed to replace the original rear idler roller used on that equipment model.
Use this part for treadmill repair or maintenance when the rear idler roller requires replacement. The product listing identifies the exact model and part, although the appearance may vary slightly because the seller carries multiple units in stock. These visual differences do not indicate a different model or component.
The product information also lists serial number **07-12208E**. If your equipment documentation includes a serial number, compare it with your service records before ordering when applicable.
Why Choose This Product
This True Fitness treadmill roller offers a model-specific replacement option for customers repairing a TTZ540 HRCO treadmill. The included part number and SKU make it easier to compare the roller with your existing component, service documentation, or parts list. Its preowned condition may also suit buyers seeking a replacement fitness part rather than a new treadmill assembly.
The seller inspects each part before shipping and provides the exact model and part shown in the listing. Since used components can show differences in appearance, review the product information carefully before purchase.
Before You Buy
Confirm that your treadmill is a **True Fitness TTZ540 HRCO** model and compare the existing rear idler roller with part number **70352000** or SKU **RP639**. Check your equipment records for the listed serial reference, **07-12208E**, if relevant. Product dimensions, material details, warranty information, package quantity, and installation instructions are not provided in the listing. Contact the seller for additional information before ordering if you need confirmation about fit, condition, or installation.
