Replacement Parking Brake Pump for Workhorse Auto Park Systems

Part# W8005231-US

We have released a new parking brake pump for the autopark systems. This is a replacement that can be used on Workhorse Chassis 2001-2005 P32 and 2004-2010 W24 Chassis with the J71 and J72* auto parking brake systems.

• This new pump is an upgraded design that has a larger motor and an integrated solenoid.
• The larger motor provides more torque for longer life
• The integrated solenoid design reduces the need for multiple external lines.
• Unlike the factory pumps, this one allows for individual replacement components instead of the entire pump assembly.
• Mounts to the same factory location of the original pump on all Workhorse Chassis.
• Pump is a plug and play design, mates up to factory harness. Just bolt on plug in and go.
• Pump assembly comes with the US21 UltraStop pressure switches that are rated at one million cycles and carry a lifetime warranty.
• * To use with 2005 and newer with J72 it requires part# 5231-US harness adaptor.