Buyouts R806005 Meritor Automatic Slack Adjuster Haldex AA1 Style 5.5in Arm 28-Spline Trailer Air Brake

The Buyouts R806005 is a new old stock (NOS) Meritor Automatic Slack Adjuster (ASA) in the Haldex AA1 style, designed for trailer air brake systems on heavy-duty commercial vehicles. This unhanded, unclevised unit provides automatic brake clearance adjustment to maintain consistent brake performance and extend lining life across linehaul and vocational applications.

Key Specifications:

• Arm Length: 5.50 in.
• Slack Spline Diameter: 1.50 in.
• Slack Spline Count: 28 splines
• Brake Size: 12.25 in.
• Bushing Inside Diameter: 0.50 in.
• Maximum Torque Rating: Less than 15 ft-lbs
• Sensing Type: Clearance
• Angle: 34 degrees
• Replacement Type: Unhanded
• Clevis Type: Unclevised
• Application: Trailer
• OEM: Haldex
• VMRS Code: 013-017-005

Cross-Reference Part Numbers:

• Meritor Service Part Number: 400-10304
• Meritor Production Part Number: 409-10654
• Related Bracket Number: R810301
• Premium Version (upgrade): M807005

Compatible with heavy-duty trucks and trailers equipped with 1.5 in. 28-spline camshafts and 5.5 in. slack adjusters, including trailers with Meritor, Eaton, Spicer (Dana), and Standard Forge axles on 16.5 in. brakes with 4-hole cam brackets. Backed by a Meritor aftermarket extended warranty for linehaul applications of 2 Years / 200,000 Miles.