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W8001667 - J72 Propshaft Brake Assembly (Allison Transmission)

On Backorder - Call to Reserve W8001667 - J72 Propshaft Brake Assembly (Allison Transmission)


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Most orders are shipped within 24 hours from the order date. Orders placed on the weekend or after cutoff on Friday, and orders placed on select holidays are processed on the next business day. Please see our shipping terms for more information.

Part# W8001667 - J72 Propshaft Brake Assembly


  • Replaces function of parking pawl in transmission to hold coach in place when Park position is selected. Uses internal spring force to apply self contained clutch style brake assembly. Brake is released by collapsing internal spring from hydraulic pressure provided by external electric hydraulic pump assembly.
  • Mounts on back of transmission, often called Propshaft parking brake or Driveline parking brake.


  • It is highly recommended that Part# US20-78 is installed when installing this new brake. Part# US20-78 prevents the brake from applying while the coach is in motion causing the damage that makes the brake not hold, and or leak.


  • Workhorse W-24 2004-2007 
  • Also Fits Freightliner FRED Chassis (Freightliner Part# 12-21652-000)

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VIN Verification Service Item

This product allows for a VIN verification service.

  • VIN part verificaion is a service that we provide free of charge when a part is purchased.
  • When you provide your VIN below we will personally verify your part selection by your VIN before shipment of your order.
  • This helps ensure that this is the correct part for your vehicle.
  • This is not an automatic VIN check, it is done by a parts specialist once order is placed.
  • We can only VIN verify vehicles back to model year 1996, if older we can help but can't guarantee fitment.
  • If you would like to have your part selection verified before purchase please call or email us.
  • Views: 40583
  • Brand: Workhorse
  • Product Code: W8001667
  • Availability: On Backorder - Call to Reserve
  • $3,493.25
  • $3,258.11

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