4-5-6 Inch Manual Slack Adjuster

Engineered for heavy-duty air brake systems, this 4-5-6 Inch Manual Slack Adjuster is a direct replacement for 278288, E2760, KN49020, and R822011. With 4, 5, and 6-inch arm lengths, a 1-1/4-inch diameter spline with 10 teeth, and a 5/8-inch arm offset, it ensures precise brake adjustments and secure engagement. Designed for the passenger side and sold individually, this slack adjuster delivers professional-grade durability, consistent performance, and safe, long-term braking for trucks and trailers.

* High Quality Manual Slack Adjuster
* For Air Brake
* 4 Inch - 5 Inch - 6 Inch Arm Length (L1-L2-L3)
* Spline: 1-1/4 Inch Diameter, 10 Teeth
* 5/8 Inch Arm Offset
* Passenger Side
* Sold Individually
* Warranty On Manual Slack Adjusters Against Defects In Workmanship & Material From Date Of Purchase

*** High Quality Aftermarket Replacement Part (Not OEM)**** Cross Ref # KN49020, E-2760, R822011

** This Item Ships Direct From The Manufacturer And Will Arrive In A Separate Package And Possibly A Different Time Than The Balance Of Your Order **