Brand New 1½”-10 Spline 5.5” Automatic Slack Adjuster. Ref: 40020228, 409-20017, 135.S1031A, Mack 539640020228

Available at our Linden, NJ warehouse. We can give discounts for quantity purchases. 

We are a heavy-duty truck & trailer brake parts importer manufacturer warehouse in Linden, NJ. With the experience and knowledge of 18 years in the industry. We sell to OEM and aftermarket.