The 135.2840 Haldex-style automatic slack adjuster is a robust, 10‑lb unit with 1½‑inch × 28 spline shaft and a 5.5″ arm. It features a reliable auto-adjust mechanism and broad compatibility with equivalent Haldex-type assemblies.
Haldex Type 5.5 in Automatic Slack Adjuster, Collor-Lock
$78.34
Automann – Haldex Slack Adjuster, Clearance