| 1998 | Blue Bird | All American FE | Rear Driver Side, Rear Passenger Side | 5.9L L6, 6.6L L6, 8.3L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 1999 | Blue Bird | All American FE | Rear Driver Side, Rear Passenger Side | 5.9L L6, 6.6L L6, 7.2L L6, 8.3L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2000 - 2003 | Blue Bird | All American FE | Rear Driver Side, Rear Passenger Side | 5.9L L6, 7.2L L6, 8.3L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 1998 | Blue Bird | TC1000 | Rear Driver Side, Rear Passenger Side | 5.9L L6, 7.0L V8 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 1999 - 2000 | Blue Bird | TC1000 | Rear Driver Side, Rear Passenger Side | 5.9L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 1998 | Blue Bird | TC2000 | Rear Driver Side, Rear Passenger Side | 10.8L L6, 5.9L L6, 6.6L L6, 7.0L V8, 7.2L L6, 8.1L -6, 8.3L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 1999 | Blue Bird | TC2000 | Rear Driver Side, Rear Passenger Side | 10.8L L6, 5.9L L6, 6.6L L6, 6.8L -6, 7.2L L6, 8.1L -6, 8.3L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2000 | Blue Bird | TC2000 | Rear Driver Side, Rear Passenger Side | 5.9L L6, 6.6L L6, 6.8L -6, 7.2L L6, 8.1L -6, 8.3L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2001, 2003 - 2004 | Blue Bird | TC2000 | Rear Driver Side, Rear Passenger Side | 5.9L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2002 | Blue Bird | TC2000 | Rear Driver Side, Rear Passenger Side | 5.9L L6, 8.3L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2004 - 2007 | Ford | F-650 | Rear Driver Side, Rear Passenger Side | 5.9L L6, 6.0L V8, 7.2L L6 | Turbocharged | with Bosch Original Caliper |
| 2008 | Ford | F-650 | Rear Driver Side, Rear Passenger Side | 5.9L L6, 6.0L V8, 6.7L L6, 7.2L L6 | Turbocharged | with Bosch Original Caliper |
| 2004 - 2007 | Ford | F-750 | Rear Driver Side, Rear Passenger Side | 5.9L L6, 6.0L V8, 7.2L L6 | Turbocharged | with Bosch Original Caliper |
| 2008 | Ford | F-750 | Rear Driver Side, Rear Passenger Side | 5.9L L6, 6.0L V8, 6.7L L6, 7.2L L6 | Turbocharged | with Bosch Original Caliper |
| 2006 | Freightliner | M2 100 | Rear Driver Side, Rear Passenger Side | 4.3L L4 | Turbocharged | with Bosch Original Caliper |
| 2003 | Freightliner | M2 106 | Rear Driver Side, Rear Passenger Side | 6.4L L6, 7.2L L6 | Turbocharged | with Bosch Original Caliper |
| 2004 | Freightliner | M2 106 | Rear Driver Side, Rear Passenger Side | 12.0L -6, 12.8L L6, 14.6L L6, 3.9L L4, 4.3L L4, 6.4L L6, 7.2L L6, 8.8L L6 | Turbocharged | with Bosch Original Caliper |
| 2005 | Freightliner | M2 106 | Rear Driver Side, Rear Passenger Side | 11.1L -6, 12.8L L6, 3.9L L4, 6.4L L6, 7.2L L6, 8.3L L6, 8.8L L6 | Turbocharged | with Bosch Original Caliper |
| 2006 | Freightliner | M2 106 | Rear Driver Side, Rear Passenger Side | 11.1L -6, 14.0L L6, 4.3L L4, 6.4L L6, 7.2L L6, 8.3L L6, 8.8L L6 | Turbo/Aftercooled, Turbocharged | with Bosch Original Caliper |
| 2007 | Freightliner | M2 106 | Rear Driver Side, Rear Passenger Side | 11.1L -6, 12.8L L6, 3.9L L4, 4.3L L4, 6.4L L6, 6.7L L6, 7.2L L6, 8.3L L6, 8.8L L6 | Turbocharged | with Bosch Original Caliper |
| 2008 - 2012 | Freightliner | M2 106 | Rear Driver Side, Rear Passenger Side | 6.4L L6, 6.7L L6, 8.3L L6 | Turbocharged | with Bosch Original Caliper |
| 2013 - 2016 | Freightliner | M2 106 | Rear Driver Side, Rear Passenger Side | 6.4L L6, 6.7L L6, 8.3L L6, 8.9L L6 | Turbocharged | with Bosch Original Caliper |
| 2017 | Freightliner | M2 106 | Rear Driver Side, Rear Passenger Side | 5.1L L4, 6.4L L6, 6.7L L6, 8.9L L6 | Turbocharged | with Bosch Original Caliper |
| 2004 - 2007 | Freightliner | M2 112 | Rear Driver Side, Rear Passenger Side | 11.1L -6, 12.5L -6, 12.8L L6, 8.8L L6 | Turbocharged | with Bosch Original Caliper |
| 2008 - 2009 | Freightliner | M2 112 | Rear Driver Side, Rear Passenger Side | 12.5L -6, 12.8L L6 | Turbocharged | with Bosch Original Caliper |
| 2010 | Freightliner | M2 112 | Rear Driver Side, Rear Passenger Side | 12.5L -6, 12.8L L6, 8.9L L6 | Turbocharged | with Bosch Original Caliper |
| 2011 - 2012 | Freightliner | M2 112 | Rear Driver Side, Rear Passenger Side | 12.8L L6, 8.9L L6 | Turbocharged | with Bosch Original Caliper |
| 2013 | Freightliner | M2 112 | Rear Driver Side, Rear Passenger Side | 12.8L L6, 8.3L L6, 8.9L L6 | Turbocharged | with Bosch Original Caliper |
| 2010 | Freightliner | MB Line | Rear Driver Side, Rear Passenger Side | 5.9L L6, 6.7L L6 | Turbocharged | with Bosch Original Caliper |
| 2011 - 2016 | Freightliner | MB Line | Rear Driver Side, Rear Passenger Side | 6.7L L6 | Turbocharged | with Bosch Original Caliper |
| 2006 - 2009 | Freightliner | MT35 | Rear Driver Side, Rear Passenger Side | 5.9L L6 | Turbocharged | with Bosch Original Caliper |
| 2006 - 2007 | Freightliner | MT45 | Rear Driver Side, Rear Passenger Side | 4.3L L4, 5.9L L6 | Turbocharged | with Bosch Original Caliper |
| 2008 - 2010 | Freightliner | MT45 | Rear Driver Side, Rear Passenger Side | 5.9L L6, 6.7L L6 | Turbocharged | with Bosch Original Caliper |
| 2011 | Freightliner | MT45 | Rear Driver Side, Rear Passenger Side | 5.9L L6, 6.0L V8, 6.7L L6 | Turbocharged | with Bosch Original Caliper |
| 2012 - 2018 | Freightliner | MT45 | Rear Driver Side, Rear Passenger Side | 6.0L V8, 6.7L L6 | Turbocharged | with Bosch Original Caliper |
| 2006 - 2007 | Freightliner | MT55 | Rear Driver Side, Rear Passenger Side | 4.3L L4, 5.9L L6 | Turbocharged | with Bosch Original Caliper |
| 2008, 2010 | Freightliner | MT55 | Rear Driver Side, Rear Passenger Side | 5.9L L6, 6.7L L6 | Turbocharged | with Bosch Original Caliper |
| 2009 | Freightliner | MT55 | Rear Driver Side, Rear Passenger Side | 11.9L -6, 5.9L L6, 6.7L L6 | Turbocharged | with Bosch Original Caliper |
| 2011 | Freightliner | MT55 | Rear Driver Side, Rear Passenger Side | 5.9L L6, 6.0L V8, 6.7L L6 | Turbocharged | with Bosch Original Caliper |
| 2012 - 2018 | Freightliner | MT55 | Rear Driver Side, Rear Passenger Side | 6.0L V8, 6.7L L6 | Turbocharged | with Bosch Original Caliper |
| 2007 | Freightliner | S2 | Rear Driver Side, Rear Passenger Side | 6.4L L6 | Turbocharged | with Bosch Original Caliper |
| 2008 - 2009, 2011 | Freightliner | S2 | Rear Driver Side, Rear Passenger Side | 6.7L L6 | Turbocharged | with Bosch Original Caliper |
| 2013 - 2016 | Freightliner | S2C | Rear Driver Side, Rear Passenger Side | 6.7L L6 | Turbocharged | with Bosch Original Caliper |
| 2006 - 2008 | International | 4100 SBA | Rear Driver Side, Rear Passenger Side | 6.0L V8 | Turbo/Intercooled | Casting # 4153222; with Bosch Original Caliper |
| 2002 - 2008 | International | 4200 | Rear Driver Side, Rear Passenger Side | 6.0L V8 | Turbo/Intercooled | Casting # 4153222; with Bosch Original Caliper |
| 2003 - 2008 | International | 4200LP | Rear Driver Side, Rear Passenger Side | 6.0L V8 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2002 | International | 4300 | Rear Driver Side, Rear Passenger Side | 7.6L L6, 8.5L L4 | Turbo/Aftercooled, Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2003 | International | 4300 | Rear Driver Side, Rear Passenger Side | 6.0L V8, 7.6L L6 | Turbo/Intercooled, Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2004 - 2007 | International | 4300 | Rear Driver Side, Rear Passenger Side | 7.6L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2008 | International | 4300 | Rear Driver Side, Rear Passenger Side | 6.4L V8, 7.6L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2002 - 2007 | International | 4300LP | Rear Driver Side, Rear Passenger Side | 7.6L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2008 | International | 4300LP | Rear Driver Side, Rear Passenger Side | 6.4L V8, 7.6L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2002 | International | 4400 | Rear Driver Side, Rear Passenger Side | 7.6L L6, 8.5L L4, 8.7L L6 | Turbo/Aftercooled, Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2003 | International | 4400 | Rear Driver Side, Rear Passenger Side | 6.0L V8, 7.6L L6, 8.7L L6 | Turbo/Intercooled, Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2004 - 2006 | International | 4400 | Rear Driver Side, Rear Passenger Side | 7.6L L6, 8.7L L6, 9.3L L6 | Turbo/Intercooled, Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2007 - 2008 | International | 4400 | Rear Driver Side, Rear Passenger Side | 7.6L L6, 9.3L L6 | Turbo/Aftercooled/Intercooled, Turbo/Intercooled, Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2002 - 2004 | International | 4400LP | Rear Driver Side, Rear Passenger Side | 7.6L L6, 8.7L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2005 | International | 4400LP | Rear Driver Side, Rear Passenger Side | 7.6L L6, 8.7L L6, 9.3L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2006 - 2007 | International | 4400LP | Rear Driver Side, Rear Passenger Side | 7.6L L6, 9.3L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2008 | International | 4400LP | Rear Driver Side, Rear Passenger Side | 7.6L L6, 9.3L L6 | Turbo/Aftercooled/Intercooled | Casting # 4153222; with Bosch Original Caliper |
| 1998 | International | 4700 | Rear Driver Side, Rear Passenger Side | 14.6L L6, 7.3L V8, 7.6L L6, 8.5L L4, 8.7L L6 | Turbo/Aftercooled, Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 1999 | International | 4700 | Rear Driver Side, Rear Passenger Side | 11.1L L6, 7.3L V8, 7.6L L6, 8.7L L6 | Turbo/Aftercooled, Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2000 | International | 4700 | Rear Driver Side, Rear Passenger Side | 6.7L L6, 7.3L V8, 7.6L L6, 8.5L L4, 8.7L L6 | Turbo/Aftercooled, Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2001 | International | 4700 | Rear Driver Side, Rear Passenger Side | 11.1L L6, 6.7L L6, 7.3L V8, 7.6L L6, 8.5L L4, 8.7L L6 | Turbo/Aftercooled, Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2002 | International | 4700 | Rear Driver Side, Rear Passenger Side | 7.3L V8, 7.6L L6, 8.7L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2003 | International | 4700 | Rear Driver Side, Rear Passenger Side | 7.6L L6, 8.7L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 1998 - 2000, 2002 | International | 4700LP | Rear Driver Side, Rear Passenger Side | 7.3L V8, 7.6L L6, 8.7L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2001 | International | 4700LP | Rear Driver Side, Rear Passenger Side | 12.7L L6, 7.3L V8, 7.6L L6, 8.7L L6 | Turbo/Aftercooled, Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 1998 - 2002 | International | 4700LPX | Rear Driver Side, Rear Passenger Side | 7.3L V8 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 1998 - 2000, 2002 - 2003 | International | 4800 | Rear Driver Side, Rear Passenger Side | 7.6L L6, 8.7L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2001 | International | 4800 | Rear Driver Side, Rear Passenger Side | 7.6L L6, 8.5L L4, 8.7L L6 | Turbo/Aftercooled, Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 1998, 2003 | International | 4900 | Rear Driver Side, Rear Passenger Side | 7.6L L6, 8.7L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 1999 | International | 4900 | Rear Driver Side, Rear Passenger Side | 10.0L L6, 7.6L L6, 8.5L L4, 8.7L L6 | Turbo/Aftercooled, Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2000 | International | 4900 | Rear Driver Side, Rear Passenger Side | 10.8L L6, 14.6L L6, 7.6L L6, 8.5L L4, 8.7L L6 | Turbo/Aftercooled, Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2001 | International | 4900 | Rear Driver Side, Rear Passenger Side | 12.0L -6, 12.7L L6, 7.6L L6, 8.5L L4, 8.7L L6 | Turbo/Aftercooled, Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2002 | International | 4900 | Rear Driver Side, Rear Passenger Side | 7.6L L6, 8.5L L4, 8.7L L6 | Turbo/Aftercooled, Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2005 | International | CXT | Rear Driver Side, Rear Passenger Side | 7.6L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2006 - 2008 | International | CXT | Rear Driver Side, Rear Passenger Side | 6.0L V8, 7.6L L6, 9.3L L6 | Turbo/Intercooled, Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2008 - 2018 | Kenworth | T170 | Rear Driver Side, Rear Passenger Side | 6.7L L6 | Turbocharged | |
| 2008 - 2013 | Kenworth | T270 | Rear Driver Side, Rear Passenger Side | 6.7L L6, 8.3L L6 | Turbocharged | |
| 2014 | Kenworth | T270 | Rear Driver Side, Rear Passenger Side | 6.7L L6, 8.3L L6, 8.9L L6 | Turbocharged | |
| 2015 - 2017 | Kenworth | T270 | Rear Driver Side, Rear Passenger Side | 6.7L L6, 8.9L L6 | Turbocharged | |
| 2002 | Kenworth | T300 | Rear Driver Side, Rear Passenger Side | 14.0L L6, 5.9L L6, 7.2L L6, 8.3L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2003 - 2007 | Kenworth | T300 | Rear Driver Side, Rear Passenger Side | 5.9L L6, 7.2L L6, 8.3L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2008 - 2013 | Kenworth | T370 | Rear Driver Side, Rear Passenger Side | 6.7L L6, 8.3L L6 | Turbocharged | |
| 2014 - 2018 | Kenworth | T370 | Rear Driver Side, Rear Passenger Side | 6.7L L6, 8.3L L6, 8.9L L6 | Turbocharged | |
| 2008 - 2012 | Peterbilt | 325 | Rear Driver Side, Rear Passenger Side | 6.7L L6 | Turbocharged | |
| 2008 - 2012 | Peterbilt | 330 | Rear Driver Side, Rear Passenger Side | 6.7L L6 | Turbocharged | |
| 2008 - 2010 | Peterbilt | 335 | Rear Driver Side, Rear Passenger Side | 6.7L L6, 8.3L L6 | Turbocharged | |
| 2010 - 2012 | Peterbilt | 337 | Rear Driver Side, Rear Passenger Side | 6.7L L6, 8.3L L6 | Turbocharged | |
| 2001 | Sterling Truck | Acterra 5500 | Rear Driver Side, Rear Passenger Side | 10.3L -6, 14.0L L6, 14.6L L6, 4.3L L4, 5.9L L6, 6.4L L6, 7.2L L6, 8.3L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2002 | Sterling Truck | Acterra 5500 | Rear Driver Side, Rear Passenger Side | 4.3L L4, 5.9L L6, 6.4L L6, 7.2L L6, 8.3L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2003 | Sterling Truck | Acterra 5500 | Rear Driver Side, Rear Passenger Side | 4.3L L4, 6.4L L6, 7.2L L6, 8.3L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2004 - 2007 | Sterling Truck | Acterra 5500 | Rear Driver Side, Rear Passenger Side | 6.4L L6, 7.2L L6, 8.3L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2001 | Sterling Truck | Acterra 6500 | Rear Driver Side, Rear Passenger Side | 14.0L L6, 14.6L L6, 4.3L L4, 5.9L L6, 6.4L L6, 7.2L L6, 8.3L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2002 - 2003 | Sterling Truck | Acterra 6500 | Rear Driver Side, Rear Passenger Side | 4.3L L4, 5.9L L6, 6.4L L6, 7.2L L6, 8.3L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2004 - 2005 | Sterling Truck | Acterra 6500 | Rear Driver Side, Rear Passenger Side | 6.4L L6, 7.2L L6, 8.3L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2001 | Sterling Truck | Acterra 7500 | Rear Driver Side, Rear Passenger Side | 10.3L -6, 10.3L L6, 12.0L -6, 14.0L L6, 4.3L L4, 5.9L L6, 6.4L L6, 7.2L L6, 8.3L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2002 - 2003 | Sterling Truck | Acterra 7500 | Rear Driver Side, Rear Passenger Side | 4.3L L4, 5.9L L6, 6.4L L6, 7.2L L6, 8.3L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2004 - 2005 | Sterling Truck | Acterra 7500 | Rear Driver Side, Rear Passenger Side | 6.4L L6, 7.2L L6, 8.3L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2002 | Sterling Truck | L7500 | Rear Driver Side, Rear Passenger Side | 5.9L L6, 7.2L L6, 8.3L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2003 | Sterling Truck | L7500 | Rear Driver Side, Rear Passenger Side | 12.0L -6, 5.9L L6, 7.2L L6, 8.3L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2004 | Sterling Truck | L7500 | Rear Driver Side, Rear Passenger Side | 6.4L L6, 7.2L L6, 8.3L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2005 - 2006 | Sterling Truck | L7500 | Rear Driver Side, Rear Passenger Side | 6.4L L6, 7.2L L6, 8.3L L6, 8.8L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2002 - 2003 | Sterling Truck | L8500 | Rear Driver Side, Rear Passenger Side | 7.2L L6, 8.3L L6, 8.9L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2004 - 2005 | Sterling Truck | L8500 | Rear Driver Side, Rear Passenger Side | 6.4L L6, 7.2L L6, 8.3L L6, 8.8L L6, 8.9L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2006 | Sterling Truck | L8500 | Rear Driver Side, Rear Passenger Side | 6.4L L6, 7.2L L6, 8.3L L6, 8.8L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2004 | Sterling Truck | LT7500 | Rear Driver Side, Rear Passenger Side | 7.2L L6, 8.3L L6, 8.8L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2005 | Sterling Truck | LT7500 | Rear Driver Side, Rear Passenger Side | 6.4L L6, 7.2L L6, 8.3L L6, 8.8L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2006 | Sterling Truck | LT7500 | Rear Driver Side, Rear Passenger Side | 12.8L L6, 6.4L L6, 7.2L L6, 8.3L L6, 8.8L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2004 | Sterling Truck | LT8500 | Rear Driver Side, Rear Passenger Side | 6.4L L6, 7.2L L6, 8.8L L6, 8.9L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2005 - 2006 | Sterling Truck | LT8500 | Rear Driver Side, Rear Passenger Side | 6.4L L6, 7.2L L6, 8.3L L6, 8.8L L6 | Turbocharged | Casting # 4153222; with Bosch Original Caliper |
| 2001 - 2008 | Workhorse Custom Chassis | W22 | Rear Driver Side, Rear Passenger Side | 8.1L V8 | | Casting # 4153222; with Bosch Original Caliper |
| 2001 - 2008 | Workhorse | W20 | Rear Driver Side, Rear Passenger Side | 8.1L V8 | | Casting # 4153222; with Bosch Original Caliper |
| 2007 - 2008 | Workhorse | W21 | Rear Driver Side, Rear Passenger Side | 8.1L V8 | | Casting # 4153222; with Bosch Original Caliper |
| 2001 - 2008 | Workhorse | W22 | Rear Driver Side, Rear Passenger Side | 8.1L V8 | | Casting # 4153222; with Bosch Original Caliper |