Replacement Power Coupler Failsafe Tuned Safety for Shopsmith Power Station, MARK 7, MARK V, MARK 4 (replaces part #503574)

★★★★★ 4.8 39 reviews

US$3.58
Price when purchased online
Free shipping Free 30-day returns

Sold and shipped by alphaonerestoretx.com
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here.
US$3.58
Price when purchased online
Free shipping Free 30-day returns

How do you want your item?
You get 30 days free! Choose a plan at checkout.
Shipping
Arrives Sep 25
Free
Pickup
Check nearby
Delivery
Not available

Sold and shipped by alphaonerestoretx.com
Free 30-day returns Details

Product details

Management number 249862914 Release Date 2026/09/17 List Price US$3.58 Model Number 249862914
Category

Precision 3D-printed replacement power coupler engineered to match the original part. Delivers strong, reliable performance while maintaining the original shear-safety design.

  • Direct Replacement for part #503574
  • Safety Shear Function – Designed to act as a mechanical fuse, shearing under extreme overload to protect connected tools and motors.
  • Precision-Fit Splines – Mates securely with Shopsmith’s metal hub system for a tight, vibration-resistant connection.
  • Maintenance-Friendly Design – Easy to install, inexpensive to replace, and ideal for restoring smooth operation without risking equipment damage.
ASIN B0FYR3THLT
Item Weight 2.39 ounces
Manufacturer 3DEXL
Item model number 7975114
Package Dimensions 4.57 x 1.65 x 1.5 inches
Included Components New Part

Correction of product information

If you notice any omissions or errors in the product information on this page, please use the correction request form below.

Correction Request Form

Customer ratings & reviews

4.8 out of 5
★★★★★
39 ratings | 16 reviews
How item rating is calculated
View all reviews
5 stars
87% (34)
4 stars
2% (1)
3 stars
1% (0)
2 stars
0% (0)
1 star
10% (4)
Sort by

There are currently no written reviews for this product.