Slack Adjuster - Automatic | Gunite AS1140 | FleetRun FR-BRKE670


Same Day Shipping

Order The Truck Parts You Need Now and Pay Later With Our Financing Option Available

Order Now, Pay Later

Need Help With Parts?

(872) 240-4144

Hassle Free Returns

6 Month / 50,000 Mile Warranty

Part Number

  • FleetRun: FR-BRKE851

Cross Reference Part Number

  • Gunite: AS1140 / SA10802 / SA10202
  • Haldex: CS56040
  • Peterbilt: 03-05136 / 03-05229
  • Volvo: 3948150 / 8084133 / 85100221


  • Type: Drive Axle Applications
  • Brake Camshaft / S-Cam Spline Diameter: 1.50 in.
  • Spline / Teeth Quantity: 28
  • Arm Length ~ From Center Of Spline Diameter To Upper & Lower Clevis Pins: 5.50 in.
  • Gunite Style
  • Complete With Straight Clevis
  • Drilled Worm Wheel
  • Factory Lubricated & Sealed Along With Heavy Duty Internals
  • Long Stroke Compatible
  • Made From The Finest Quality Ductile Nodular Iron
  • No External Brackets Required
  • Clearance Sensing
  • Collar Lock Clevis
  • Includes: Clevis, Clevis Pins & Hardware

Please note: this is an aftermarket part, the use of other manufacturer's names, part numbers or trademarks is for informational purposes only.

Please verify OEM part numbers before purchasing, FleetRun assumes no liability related to product use and fitment.

Slack Adjuster | Gunite AS1140

Optimize Your Brake System with the Gunite AS1140 Automatic Slack Adjuster - FleetRun FR-BRKE670!

Elevate your truck's braking performance with the dependable Gunite AS1140 Automatic Slack Adjuster. Crafted for precision and engineered for reliability, this automatic slack adjuster is a game-changer for your brake system.

Why Choose Our Automatic Slack Adjuster?

Effortless Braking Efficiency: Our replacement for Gunite AS1140 Automatic Slack Adjuster ensures consistent and efficient braking performance. With automatic adjustment capabilities, it maintains proper brake shoe-to-drum clearance, promoting optimal braking efficiency and safety.

Precision Engineering: Engineered with precision, this automatic slack adjuster guarantees smooth and accurate operation, allowing you to confidently navigate the roads while maintaining control over your braking system.

Built to Last: Designed for heavy-duty use, the replacement for Gunite AS1140 is constructed with high-quality materials, ensuring its durability and longevity. Trust in its robust build to deliver reliable performance under the toughest conditions.

Seamless Compatibility: Compatible with Kenworth, Peterbilt, Volvo, Freightliner, International, Mack, and various other commercial vehicle models, our automatic slack adjuster offers a seamless fit and straightforward installation for a wide range of trucks.

Quality Meets Affordability: FleetRun brings you OEM quality at an aftermarket price. With our replacement for Gunite AS1140 Automatic Slack Adjuster, you get exceptional performance without breaking the bank.

Upgrade Your Brake System Today!

Enhance your truck's braking efficiency with FleetRun's Gunite AS1140 Automatic Slack Adjuster replacement. Say goodbye to manual adjustments and experience the convenience of automatic brake shoe clearance maintenance.

Order now and enjoy FREE SHIPPING. Elevate your truck's safety and performance with FleetRun's unwavering quality and reliability.

  • 013-002-028

  • For other information such as tips and tricks or troubleshooting from technicians and shops visit our Shop Talk page from our menu
No reviews