The 135.S2840 Haldex-style automatic slack adjuster is a heavy-duty, 16-lb unit featuring a 1½-inch × 28 spline shaft and a 5.5″ arm. Designed with a clearance-sensing auto-adjust mechanism, it maintains optimal brake performance while reducing over-adjustment. It’s compatible with a wide range of Haldex-style systems and includes a mounting bracket and 5/8″-18 clevis for easy installation.
