F224738 Manual Slack Adjuster 1-5/8in 37 Spline 6in Heavy Duty

Ensure reliable and consistent braking performance with the F224738 Manual Slack Adjuster, designed for heavy-duty truck and trailer air brake systems.

This manual slack adjuster provides precise brake shoe positioning and helps maintain proper brake stroke adjustment. Built from durable, high-strength steel, it delivers long service life and dependable performance in demanding commercial applications.

Unlike automatic adjusters, this manual version allows technicians to set and maintain brake adjustment manually, making it ideal for specific fleet maintenance requirements or older brake systems.

Why replace your slack adjuster?

• Excessive brake stroke or reduced braking efficiency
• Worn or seized adjuster components
• Uneven brake application
• Required replacement during brake system overhaul

Key Benefits

• Heavy-duty steel construction for long life
• Precise manual brake adjustment control
• Designed for commercial air brake systems
• Reliable performance under heavy loads
• Direct-fit replacement for easy installation

️ Applications

• Semi-trucks
• Trailers
• Commercial heavy-duty braking systems

STX Supply & Services provides trusted brake components to keep your fleet safe, compliant, and operating at peak performance.