Automatic Slack Adjuster Steer 10 Spline 1.25" - 138.1010

Part#: AAA6011381010

Features and Benefits

  • Steer axle slack adjuster with collar lock clevis for secure push rod retention on front brakes
  • Collar lock mechanism positively retains the push rod clevis under steer axle vibration loads
  • Arm length calibrated for accurate push rod stroke on steer axle brake chamber configurations
  • Spline diameter suited to the smaller camshaft bore dimensions of steer axle brake assemblies
  • Clearance sensing maintains optimal shoe-to-drum gap for reliable steer axle braking response
  • Multiple chamber size compatibility enables broad steer axle installation across truck configurations

Warranty

Warranty Up to 3 years warranty

Please contact customer service to know more details

Weight7.49
Arm Length5.5 in.
Clevis TypeCollar Lock Straight
Slack Spline Diameter1.25 in.
Slack Spline Count10
ApplicationSteer
Brake Size15.00 in.
Clevis Threads per inch20
Sensing TypeClearance
TypeUnhanded
Clevis Thread Diameter0.50 in.
Bushing Inside Diameter0.50 in.
Chamber SizesMultiple
Maximum Torque RatingLess than 15 foot pounds
Interchange
51136P
56036
85100217
ABPN42ASAS1136
AS1136
AS1152
AS1153
CS56036
S-C299
SA1136
ZBRAS1136
The Slack Adjuster is an unhanded clearance-sensing design with a collar lock straight clevis and 5.5" arm, built for automatic adjustment on steer axles of Heavy Duty commercial vehicles. Featuring dependable spline engagement, the component delivers consistent stopping performance across a wide range of transport configurations.
Easy Returns

Easy Returns

Hassle-free process

24/7 Online

24/7 Online

Shop anytime

Secure Checkout

Secure Checkout

SSL safe payment

Wide Range

Wide Range

Hundreds of parts

Fast Shipping

Fast Shipping

Same-day dispatch