Haldex AA1 Clearance Sensing Automatic Brake Slack Adjuster Kit - 40010070

Part Number:
Availability Status: Current
Special Price


MSRP $155.00
SAVE 33%

Usually ships in 20 Days

Product Description

One of the best ways to avoid wear and tear on all of your brakes, is to have a high-quality Automatic Slack Adjuster. Acting as a lever, ASAs connect the actuator or the spring brake chamber to the camshaft. This compensates for the gradual wear and tear of the brake drum and shoe lining while keeping pace with the actuator's stroke. Automatic Slack Adjusters are one of the most reliable tools in measuring potential issues with your brakes, while getting the best out of them at the same time.

This Haldex AA1 Clearance Sensing Automatic Slack Adjuster makes the most consistent and precise gradual adjustments for optimum lining-to-drum clearance. Clearance Sensing slack adjusters keep brakes unaffected by deflection or thermal expansion. This specific ASA has a 5.5 inch arm length, is built with 28 splines with a spline diameter of 1.50 inches. It's compatible with a body angle of 35 degrees. It's control arm also makes for flexible application coverage. For Standard Drive Axel Brakes.

This product comes with a 6 year, 1 million mile warranty.

Haldex is a major provider of innovative solutions for brakes to heavy duty vehicles across the globe. Haldex aims to bring the safest and most dynamic brake parts to your truck, creating a world of safer vehicles for generations to come. For unique products to operational excellence, choose Haldex to drive your future.


  • 1.5 inch, 28 teeth Clearance Sensing Automatic Brake Adjuster
  • Control Arm makes for flexible application coverage
  • Clearance Sensing adjustment type keeps brakes unaffected by deflection or thermal expansion
  • Consistent and precise gradual adjustments make for optimum lining-to-drum clearance
  • 5.50 inch Arm Length
  • 35 degree Body Angle
  • 6 year, 1 million mile warranty


One (1) Automatic Slack Adjuster Without Clevis


6 year, 1 Million Mile Warranty

Cross Reference

480 MTRR802446, 875 20484486, FRL 42026381, U55 40910759


Product NameHaldex AA1 Clearance Sensing Automatic Brake Slack Adjuster Kit - 40010070
Part StatusCurrent
Unit of Measure (case, ea, drum, etc.)each
UOM Quantity (Per Unit of Measure)1
Applications / FitmentsFor Standard Steer Axle Brakes.
Arm Length5.50 in.
Clevis TypeStraight
Height3.5 in.
Length11.5 in.
Slack Spline Count28
Slack Spline Diameter1.50 in.
Width10 in.
Width10 in.
Length11.5 in.
Height3.5 in.
There are no videos for this part.
Write Your Own Review
Only registered users can write reviews. Please Sign in or create an account
Do NOT follow this link or you will be banned from the site! Copyright © 2017-Present JIT Truck Parts, LLC All rights reserved.