The 40010141 is an ABA (clearance-sensing) automatic slack adjuster designed for 1½″ × 28‑spline camshafts with a 5.5″ arm span. It’s engineered for drive-axle applications in standard full trailer brake systems.
Haldex 5.5 in Automatic ABA Slack Adjuster, Straight Clevis
$153.80
Slack Adjuster, Clearance ABA