# StairMaster 4000PT Stepper Right Pedal Crank Arm (MX165)

\# StairMaster 4000PT Stepper Right Pedal Crank Arm (MX165)

The StairMaster 4000PT Stepper Right Pedal Crank Arm (MX165) is a replacement crank arm for the right pedal side of a StairMaster 4000PT stepper. This part is intended for equipment repair when the original right pedal crank arm is damaged, worn, or needs replacement. If you are servicing a StairMaster 4000PT and need the right-side crank arm, this product provides a clearly identified replacement part for that specific stepper model.

## Product Details and Benefits

This StairMaster replacement part is identified as the \*\*right pedal crank arm\*\* for the \*\*4000PT Stepper\*\*. The crank arm is part of the pedal mechanism and supports the movement of the right-side pedal during use. Replacing the affected component can help restore the pedal assembly when the original crank arm no longer meets your repair needs.

The product name is \*\*StairMaster 4000PT Stepper Right Pedal Crank Arm\*\*, and the listed part number and SKU are \*\*MX165\*\*. The barcode is also listed as \*\*MX165\*\*. These identifiers can help you compare the part with your service records, existing equipment documentation, or the component being removed from your machine.

Because this listing covers a specific replacement component, it may suit maintenance work, equipment refurbishment, or repairs involving the right pedal assembly on a StairMaster 4000PT stepper. It does not represent a complete stepper, pedal set, or full crank mechanism. The product is the right pedal crank arm identified by part number MX165.

## Compatibility and Applications

The StairMaster 4000PT Stepper Right Pedal Crank Arm (MX165) is listed for use with the \*\*StairMaster 4000PT Stepper\*\*. Its specified position is the \*\*right pedal side\*\*. This makes it relevant for a customer replacing the right-side crank arm on that model.

Use the part when your repair requires the right pedal crank arm for a StairMaster 4000PT. Before ordering, compare the existing component and equipment details carefully. The model, pedal position, and part number should all match your repair requirements.

\## Why Choose This Replacement Part

Choosing a part with a defined model and position can make equipment repair easier to identify and organize. The MX165 designation gives you a specific reference when sourcing a StairMaster 4000PT right pedal crank arm. It can also help reduce confusion between left- and right-side pedal components during maintenance or replacement work.

## Before You Buy

Confirm that your equipment is a \*\*StairMaster 4000PT Stepper\*\* and that you need the \*\*right\*\* pedal crank arm. Verify the part number \*\*MX165\*\* against your existing part, service information, or equipment records before placing an order.

The available product information does not specify dimensions, material, color, package quantity, installation instructions, warranty, or condition details. Confirm any requirements related to these points before purchase. The listing identifies the product as the StairMaster 4000PT Stepper right pedal crank arm, part number MX165.

## Details

- **Price:** 89.99 USD
- **Vendor:** StairMaster
- **Type:** Miscellaneous
- **Tags:** All

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 89.99 USD | In stock |

## Images

- MX165
- MX165
- MX165
- MX165

## Additional Information

- **Condition:** PREOWNED

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> Source: [Cardio Equipment Parts](https://www.cardioequipmentparts.com/products/stairmaster-4000pt-stepper-right-pedal-crank-arm-mx165)
> Updated: 2026-08-29