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Flex Head & Bolt - Lisle

Part #: 39760

The Lisle 39760 Flex Head & Bolt is a critical replacement component designed to restore the precision and functionality of your Lisle 39790 Air Disc Brake Mounting Bolt Wrench. Engineered for professional mechanics, this genuine replacement part ensures that your specialized wrench continues to deliver optimal performance when servicing heavy-duty air brake systems.

Key Features

  • 12-Point, 72-Tooth Ratcheting Flex Head: Provides precise engagement and a fine ratcheting arc, allowing for efficient work in confined spaces.
  • Narrow Head Diameter: Specifically designed to access tight clearance bolts, crucial for air brake chamber applications.
  • Durable Construction: Manufactured by Lisle, ensuring professional-grade quality and longevity in demanding shop environments.
  • Direct Replacement: Guarantees perfect fit and seamless integration with the Lisle 39790 Air Disc Brake Mounting Bolt Wrench.
  • Enhanced Maneuverability: The flex head design facilitates easier positioning and access around obstructions.

Applications

This Flex Head & Bolt is integral to the operation of the Lisle 39790 wrench, which is specifically used for replacing air brake chambers on late model Class 7 and 8 trucks and trailers. Its narrow profile and flexible design are particularly beneficial for working on vehicles equipped with Meritor and Bendix disc brakes, enabling technicians to perform services without the need to remove the wheel. This maintains the efficiency and specialized capability of the 39790 wrench for heavy-duty brake maintenance.

Specifications

  • Head Type: 12-Point, 72-Tooth Ratcheting Flex Head
Only 2 left in stock - order soon
List: $30.99 Save: $4.87

$26.12

Free shipping on orders over $250
Lower 48 states and DC. Excludes freight and oversize items.
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  • Model: 428800
  • Shipping Weight: 0.25lbs
  • UPC: 083045397601
  • Manufacturers Part #: 39760
  • Manufactured by: Lisle
  • Also Known As: LIS39760, LIS-39760, LS39760

This product was added to our catalog on Monday 18 May, 2026.