Fast Shipping
Ships from US & Canada
OEM-Grade Quality
✓Quality Assured
Premium Aftermarket Replacement Part
Description
The 1S6421 is a 1" square track nut with a 25mm nut height, designed for heavy equipment undercarriage applications and compatible with V50/4050 and A80/3360 systems. Built as a direct OEM replacement fastener, it delivers the clamping strength and durability required to keep track shoes and links securely fastened under demanding operating conditions.
| Specification | Details |
|---|---|
| SKU | 1S6421 |
| Type | 1" Square Track Nut |
| Nut Height | 25mm |
| Compatibility | V50/4050, A80/3360 |
| Item Weight | 0.40 lbs |
| Set Quantity | 50 |
| Category | Undercarriage / Fasteners |
Shop with confidence
Warranty
Components are covered up to 4,000 hours or three years from service or 100% worn, whichever comes first
Returns policy
30-day hassle-free returns
Expert support
Call or email our parts team
Request a Quote
Get a quote for bulk orders or custom pricing

