Automatic Slack Adjuster Trailer 10 Spline 1.50" - 139.1030

Part#: AAA6011391030

Features and Benefits

  • Stroke sensing trailer axle slack adjuster for push rod travel monitoring on commercial brakes
  • Stroke sensing type monitors push rod travel distance to detect brake adjustment needs in real time
  • Yellow piston provides clear visual identification for fast, accurate part selection during service
  • Arm length of 6" with straight clevis for extended lever reach on trailer axle brake chambers
  • Spline profile suited to compatible low-count tooth trailer axle camshaft configurations
  • Torque rating exceeds standard minimum for reliable brake performance on chamber size 30 trailers

Warranty

Warranty Up to 3 years warranty

Please contact customer service to know more details

Weight6.80
PistonYellow Piston
Clevis TypeStraight
TypeUnhanded
Arm Length6.00 in.
Slack Spline Diameter1.50 in.
Slack Spline Count10
ApplicationTrailer
Sensing TypeStroke
Chamber Sizes30
Clevis Thread Diameter0.625 in.
Clevis Threads per inch18
Maximum Torque RatingMore than 45 inch pounds
Interchange
05360
OTR801042
PLR801042
R801042
R801042RI
RBR801042
ROR801042
RWR801042
S23557
SA1042
SAPR801042
SBRMK41106S
SCSA1042
STNMK41106S
TDAR801042
TWDR801042
V1090259
WAAS1133
WAR801042
ZBRAS1133
ZBRAS1147
The Slack Adjuster is an unhanded stroke-sensing design with a yellow piston and 6" 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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