## StairMaster SC5 Stepper Upper First Reduction Pulley Set (MX218)
The StairMaster SC5 Stepper Upper First Reduction Pulley Set is a replacement pulley assembly identified by part number MX218. It is designed for the upper first reduction pulley area of the StairMaster SC5 stepper. If you are servicing an SC5 machine and need to replace the pulley set associated with this part of the drive system, MX218 provides the exact product identity to compare against your existing component or service documentation.
Product Details and Benefits
This product is a pulley set for the StairMaster SC5 stepper. The pulley assembly forms part of the machine’s mechanical drive system, where pulleys help transfer movement through the equipment. Replacing a worn, damaged, or missing pulley set can support proper servicing of the affected assembly and help keep repair work organized around the correct part number.
The product name identifies its position and function: **Upper First Reduction Pulley Set**. This distinction matters because stepper machines can contain multiple pulley components, and parts that look similar may not serve the same location or purpose. Using the correct component name and part number makes it easier to match the item with maintenance records, a parts diagram, or the pulley already installed on the machine.
The product is supplied under the following identification:
- **Brand:** StairMaster
- **Product:** SC5 Stepper Upper First Reduction Pulley Set
- **Part number:** MX218
- **SKU:** MX218
- **Barcode:** MX218
- **Equipment type:** StairMaster stepper
- **Compatible model:** StairMaster SC5
This listing identifies the item as a pulley set rather than a complete stepper, motor, belt, or full drive assembly. Confirm that you need the upper first reduction pulley set before ordering.
Compatibility and Applications
The StairMaster MX218 pulley set is specifically associated with the **StairMaster SC5 Stepper**. Its intended application is the upper first reduction pulley position within that machine. It may suit a repair, refurbishment, or scheduled maintenance job when the existing component requires replacement, but compatibility should be confirmed using the equipment’s model information and the original part number.
Because the source information does not provide dimensions, material details, color, quantity, or installation instructions, do not use this listing to assume those specifications. Refer to the machine’s service information or compare the existing pulley set with the product identification before purchase.
Why Choose This Product
Choosing a part listed specifically for the StairMaster SC5 helps reduce confusion when sourcing a component for machine maintenance. The clear MX218 identification gives technicians, facility managers, and equipment owners a reference point when checking parts lists or discussing repairs. It also helps distinguish this upper first reduction pulley set from other pulley components used in fitness equipment.
Before You Buy
Verify that your equipment is a **StairMaster SC5 Stepper** and that **MX218** matches the required upper first reduction pulley set. Check the original part, service documentation, or machine parts diagram if available. This listing does not include stated dimensions, material specifications, warranty information, or installation instructions. If you need additional components for the repair, confirm whether they must be purchased separately.
