Automatic Slack Adjuster | Haldex 40010142 - Meritor R806023 | FleetRun FR-BRKE851


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Part Number

  • FleetRun: FR-BRKE851

Cross Reference Part Number

  • Haldex: 40010142 / 409-10239 / 409-10741 / 40020233
  • Meritor: R806023 / R806023A
  • Euclid: E-6923B
  • Dayton: 05-654
  • Automann: 133.1030


  • Type: Drive Axle Applications
  • Brake Camshaft / S-Cam Spline Diameter: 1.50 in.
  • Spline / Teeth Quantity: 10
  • Arm Length ~ From Center Of Spline Diameter To Upper & Lower Clevis Pins: 5.00-6.00 in.
  • Arm Angle: 34°
  • Haldex Style
  • Drilled Worm Wheel
  • Factory Lubricated & Sealed Along With Heavy Duty Internals
  • Long Stroke Compatible
  • Made From The Finest Quality Ductile Nodular Iron

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.

Looking for a reliable Automatic Slack Adjuster for your drive axle brake system? Look no further than FleetRun's FR-BRKE851, a high-quality replacement part that meets or exceeds OEM standards.

This Haldex-style slack adjuster is factory lubricated and sealed, and features heavy-duty internals for long-lasting performance. With a drilled worm wheel and 1.50-inch brake camshaft spline diameter, this adjuster is designed to work with a range of brake systems on semi trucks, commercial vehicles, and trailers from top brands like Volvo, Freightliner, Kenworth, and Peterbilt.

The FR-BRKE851 also boasts a long-stroke design and is made from the finest quality ductile nodular iron, ensuring durability and reliability on the road. And with a VMRS code of 013-002-028, it's easy to identify and track for maintenance and repairs.

For troubleshooting tips and other helpful information, be sure to visit our Shop Talk page. Don't settle for subpar slack adjusters - upgrade to the FR-BRKE851 from FleetRun today and enjoy peace of mind on the road.

  • 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