Gunite Automatic Slack Adjuster AS1138

The AS1138 Automatic Slack Adjuster from Gunite is designed for consistent, low-maintenance brake performance in heavy-duty vehicle applications. With a 1-1/4-inch spline diameter and 24 splines, it offers a secure and accurate fit. The 5.5-inch arm length provides compatibility with a wide range of axle setups, making it ideal for commercial trucks and trailers. Engineered by Gunite for durability and reliability, the AS1138 helps reduce manual brake adjustments and ensures long-lasting braking efficiency.

Specifications:

• Slack Adjuster Type: Automatic
• Spline Diameter: 1-1/4 inches
• Spline Count: 24
• Arm Length: 5.5 inches
• Branded Style: Gunite

Key Features:

• Automatic adjustment for consistent brake stroke
• 24-spline, 1-1/4" configuration for precise fit
• 5.5" arm length supports various axle setups
• Ideal for commercial and fleet vehicles
• Trusted Gunite quality for long-lasting performance and reduced maintenance

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