K081257 / K081256

K081257 and K081256 Air Disc Brake Calipers are meticulously engineered as exact aftermarket replacements for the Bendix ADB22X systems. Featuring a specialized negative 12-degree (-12°) chamber angle and axial mount design, these twin-piston calipers are specifically optimized for the steer axles of Class 8 trucks like Kenworth and Peterbilt. This unique angle ensures perfect clearance for front-wheel braking systems on Dana and Spicer axles.

As a trusted source factory, we deliver OEM-level quality, 100% brand-new assemblies (with no core charge required), and rigorous end-of-line testing standards. Each unit comes fully assembled with the carrier for a true “plug & play” installation. Partner with Rizhao Renhe to enjoy factory-direct wholesale pricing, guaranteed reliability, and maximum cost-effectiveness for your aftermarket truck parts business.