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Climb to the Top

Climb to the top with your steppers with authentic Stairmaster replacement parts from Sportsmith! Explore our comprehensive selection, including parts for favorite models such as StairMaster 4000PT, 7000PT StepMill, and SM5 StairMill StairMaster.

We also have all the parts you need to keep your Jacobs Ladder climbing strong.

Step Into Our StairMaster Stepper Inventory
Here are several crucial stepper/climber part types that ensure your machine performs at its best.

StairMaster Drive and Step Chains:
Ensure smooth and consistent movement with our high-quality drive chains and step chains. Designed for durability, these replacement chains keep your StairMaster stepper performing optimally through every workout.
StairMaster Transmissions:
Maintain the core functionality of your StairMaster stepper with our reliable transmissions. Engineered for seamless power transfer, our transmissions for your steppers help sustain the robust performance you’ve come to expect.
StairMaster Alternator Brush Kits: Keep your StairMaster stepper's electrical system in top condition with our alternator brush kits. These kits provide essential components to ensure efficient power generation and machine longevity.
StairMaster 2 Pin Power Supplies and Power Cords:
Power your StairMaster stepper safely and efficiently with our 2 pin power supplies and power cords. Built to meet high standards, these components ensure a steady power flow for uninterrupted workouts.

Lightning-Fast Shipping

We know how it can be…one stepper goes out and it creates complete chaos with your gym members. That’s why we offer lightning-fast shipping on all parts orders of StairMaster steppers!