W8005231-US - UltraStop Park Brake Pump Asm

W8005231-US - UltraStop Park Brake Pump Asm

Part# W8005231-US

  • This is an upgraded pump assembly that comes with new mounting bracket.
  • If you select to purchase it for a J71 system then it also includes upgraded pressure switches for the pump and the actuator.
  • These upgraded switches are required for pump warranty to be in effect, due to the history of early failure of the factory switches causing the pumps to "run on" from loss of fluid in the J71 systems.
  • This pump assembly carries a 3 year part replacement warranty!


  • This is a replacement park brake pump assembly for a 2004 Workhorse P-Chassis.
  • This is a superseded part for a discontinued pump assembly that directly replaces the W8005231, W8005232, W0005234

  • This pump can also be used to replace the 2005 and newer pump assemblies used on the J72 Parking Brake Systems.
  • When ordered for a J72 system it comes with a harness adapter Part# 5231-US, and no pressure switches.
  • If the module has also failed on the 2005 and newer auto parking brake systems, then you would also need to order Part# US2078.

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 The state of California requires that this warning be posted for people purchasing products that reside in California.

WARNING: Products may contain one or more chemicals known in the State of California to cause cancer and/or birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov

  • Views: 4808
  • Product Code: W8005231-US
  • Availability: In Stock
  • $2,409.18
  • $1,784.58

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