Meritor E939 Manual Slack Adjuster

The Meritor E939 is a heavy-duty manual slack adjuster designed for commercial truck and trailer air brake systems. This standard duty component provides reliable brake adjustment for vehicles equipped with cam-type foundation brakes.

Key Features:

• Straight arm design for standard brake applications
• Bronze bushings for reduced friction and extended service life
• 30,000 lb load rating for heavy-duty commercial applications
• 30,000 in/lb maximum torque capacity
• SAE J1461 Draft 4 testing compliance ensures quality and performance
• Direct replacement for Rockwell International and Euclid E-939 applications

Manual slack adjusters require periodic adjustment to maintain proper brake stroke as linings wear. The E939 is compatible with standard air brake chambers and cam brake assemblies commonly found on heavy trucks, trailers, and commercial vehicles. This genuine Meritor component ensures proper brake function and helps maintain safe stopping performance.