Power Coupler Replacement Failsafe Tuned Safety For Power Station Models Mark 7, Mark V, And Mark 4 Direct Replacement For Part 503574 With Durable ABS Black Construction And Mechanical Fuse Overload Protection

Direct Power Coupler Replacement for Shopsmith Power Units
✔️ Single replacement; direct fit for part #503574 in Power Station

Restore the Shopsmith system with a precise, American-made replacement power coupler designed for Power Station, MARK 7, MARK V, and MARK 4 models. This durable ABS black part offers a secure, vibration-free connection and built-in overload protection.

✅ Direct replacement for Shopsmith part #503574
✅ ABS black construction for durability
✅ Mechanical fuse provides overload protection
✅ Precise spline engagement with hub system
✅ Easy installation, no special tools required

💡 What is a power coupler used for in a Shopsmith system?

This handy component safely transfers power from the drive to the headstock and adds overload protection.

- Direct replacement for Shopsmith part #503574 and compatible models
- Precision-matched splines ensure a tight, vibration-free fit with the hub system
- Mechanical fuse design helps shield motors and connected tooling