Brakes
Cross-drilled, vented rotor paired with a forged 6-piston caliper for Class-8 trucks. Engineered to resist thermal fade on long mountain descents.
Compatibility: Freightliner Cascadia, Kenworth T680, Peterbilt 579
rotor diameter: 410mm
piston count: 6
warranty: 12 months
OS-BRK-4011 is verified against our internal fitment and stress-test protocol before it's cleared into the brakes index, so what you see is what actually ships — not a generic listing pulled from a third-party feed. Every unit is inspected for tolerance, finish, and dimensional accuracy against the compatibility record listed above, whether it's headed to a long-haul fleet depot or a working farm.
Because this SKU is currently in stock at our Saint Johns, Florida facility, orders placed through the quote form typically ship within 2-3 business days with tracking sent directly to your email. Our technicians — Curt, Eric, and Abhi — personally review every quote request to confirm the part matches your equipment before dispatch, cutting down on costly return shipments and downtime.
Can't find the exact fitment you need, or need a modified version of this part? Our custom fabrication team can reverse-engineer this component to match a discontinued model, a non-standard bolt pattern, or a one-off fleet modification, with CNC machining and pressure testing before it ships.