Part# US21
This kit Replaces GM Part Numbers:
Green Switch (At Pump) GM# 15961566 - Also AC Delco# 15034355 (Rotten Green Switch)
Grey Switch (At Actuator) GM# 10218778
Applications:
All P-Chassis 1996-2004 that use an automatic apply parking brake sys..
Part# US21.5
This Kit Includes:
Workhorse 70 Amp Relay #W8002024
Steel Bushing that replaces aluminum bushing that the pump pressure switch is mounted to.
Applications:
All P32 RV 1996-2004 that use an automatic apply parking brak..
Part# US21A
This kit Replaces GM Part Numbers:
GM# 10218778
Workhorse Part# W8001071
Applications:
All P-Chassis 1996-2004 that use an automatic apply parking brake system with an electrically driven hydraulic pump.
Feature..
Part# US21P
This kit Replaces GM Part Numbers:
GM# 15961566
AC Delco# 15034355
Workhorse Part# W8001073
Applications:
All P-Chassis 1996-2004 that use an automatic apply parking brake system with an electri..
Part# US22
Description:
This kit comes with the pressure switches like the US21 kit.
Also includes a handmade steel replacement bushing to replace the aluminum bushing the rotten green switch installs into on the pump assembly.
Also includes brand new 70 amp relay. This relay shoul..