Meritor R803030 Automatic Slack Adjuster 1.50-10 Unclevised

The Meritor R803030 is a genuine OEM automatic slack adjuster (ASA) designed for commercial truck and trailer air brake systems. This critical safety component automatically compensates for brake lining and drum wear to maintain consistent brake performance and proper actuator stroke throughout the life of the brake pads.

Key Specifications:

• Slack spline diameter: 1.50 inches
• Spline count: 10
• Arm length: 5.50 inches
• Bushing inside diameter: 0.50 inches
• Sensing type: Stroke-based sensing mechanism
• Compatible chamber sizes: 24 or 30
• Clevis type: Unclevised (without clevis)
• Yellow piston indicator
• Maximum torque rating: Over 45 inch-pounds
• Application: Drum brake systems

Features and Benefits:

• Automatic adjustment eliminates need for manual brake adjustments during normal operation
• Stroke-based sensing ensures precise brake tuning and consistent stopping power
• Maintains proper brake stroke as linings wear, improving safety and regulatory compliance
• Compatible with Meritor OEM applications for medium and heavy-duty commercial vehicles
• Backed by Meritor's comprehensive warranty program (varies by application)

This ASA is designed for use in on-highway, linehaul, and vocational applications. Proper maintenance includes regular lubrication at recommended intervals to ensure long service life. Supersedes part number R802354 and cross-references to numerous OEM and aftermarket part numbers.