World American WAKN44051 Air Brake Manual Slack Adjuster 1.5"-28 Spline 5"-6"-7" Arm Span Fit for Heavy-Duty Trucks, Haldex/Midland Style, Fits For Bendix, Meritor, Freightliner, Replaces KN44051

✅ Durable Manual Slack Adjuster – Designed for heavy-duty air brake systems, this 1.5""-28 spline adjuster ensures consistent braking performance while reducing excessive brake wear and manual adjustments.. ✅ Adjustable Arm Span for Versatile Fit – Features 5"", 6"", and 7"" arm span options, allowing for flexible installation in a wide range of commercial trucks, trailers, and buses with various brake system configurations.. ✅ Precision-Engineered for Maximum Efficiency – Manufactured to Haldex/Midland style specifications with 0.5"" clevis diameter, ensuring smooth brake engagement, reducing downtime, and improving overall road safety.. ✅ Wide Compatibility & Easy Installation – Works with Bendix, Meritor, Freightliner, Navistar, Toyota, Mack, Eaton, Euclid, PAI, Spicer, and other major brands, replacing multiple OEM and aftermarket part numbers.. ✅ Reliable & Backed by Warranty – Comes with a 1-year or 100,000-mile warranty, guaranteeing long-lasting performance while offering a cost-effective solution for maintaining optimal braking efficiency in fleet vehicles.