Check the listing for details. MERITOR R806022 - Air Brake Automatic Slack Adjuster. Condition: New other (see details). Listed at 105.00 USD. New item, old stock. See pictures as well for condition. Features & BenefitsCompatible replacement for Haldex AA1 automatic slack adjustersAdvanced lightweight construction delivers shorter stopping distances and longer lining lifeSelf-contained and sealed to resist contamination and cut down on installation timeSelf-adjusting system eliminates the need for frequent manual tune-ups, reducing maintenance costsPull-pawl design has fewer moving parts, improving reliability and simplifies maintenance Specs: Auto Slack Adjuster R806022. 28 teeth, 1.5" spline diameter, Arm 5.5" to 6.5"Cross Reference: 400-10143, 40010143, 25-QD-410-P4, E-6924B, EM-50470 PLEASE READ* We cannot guarantee that this part will fit your application, only an authorized dealership can do that. We have listed all model information that we have available. We strive to provide all information that we have on hand and do our best to describe and photograph every part. Please make sure that this is the correct part that you need BEFORE you buy. The best way to do this is to call a dealership and have them verify that this is the appropriate part number for your application. Don't know if this will fit your vehicle??Click this eBay link to make sure it does! https://www.ebay.com/g/mygarage