Chris I.
09 Jun, 2025Exactly what I needed. This St70503 Pin Spring matched part STN-ST70503 and installed without any issues. Everything works great now.

| Part number: | ST70503 |
|---|---|
| SKU Number: | STN-ST70503 |
| Warranty: | 1 Year |
Discontinued
Product Description
Product Features
Don’t let small issues turn into big downtime Stone ST70503 Pin Spring is a straightforward repair choice that supports smoother operation. With a proper fit approach, you spend less time troubleshooting and more time getting work done.
Small parts make a big difference; a proper replacement helps you get full value from the machine you already own. It’s a simple way to keep maintenance costs predictable while protecting your investment. Double-check your model and fitment details, and you’ll be set for a clean install and dependable operation.
Exactly what I needed. This St70503 Pin Spring matched part STN-ST70503 and installed without any issues. Everything works great now.