Automatic Slack Adjuster Stroke 28 Spline 1.50" - 139.2832

Part#: AAA6011392832

Features and Benefits

  • Type 1 stroke sensing slack adjuster for commercial brake positions requiring travel detection
  • Stroke sensing design monitors push rod movement to initiate brake adjustment at the correct point
  • Yellow piston provides fast, visual identification for accurate part matching at installation
  • Arm length delivers consistent lever force for push rod actuation on standard air chamber setups
  • Spline engagement provides positive torque transfer to standard commercial brake camshaft profiles
  • Straight clevis with chamber size compatibility for reliable Type 1 commercial brake fitment

Warranty

Warranty Up to 3 years warranty

Please contact customer service to know more details

Weight6.85
PistonYellow Piston
TypeType 1
Arm Length5.50 in.
Slack Spline Diameter1.50 in.
Slack Spline Count28
Sensing TypeStroke
Chamber Sizes24
Clevis Thread Diameter0.625 in.
Clevis Threads per inch18
Maximum Torque RatingMore than 45 inch pounds
Interchange
A413275Z1144
E11417
E11417A
R802446
R803048
The Slack Adjuster is a Type 1 stroke-sensing design with a yellow piston and 5.5" arm, built for automatic adjustment on Heavy Duty commercial vehicle axles. Featuring a straight clevis configuration, the component delivers consistent stopping performance and dependable actuation across a wide range of transport platforms.
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