This hydroboost power steering hose set is compatible with the following vehicle models: Silverado 1500 (2004–2006, 6.0L V8) Silverado 1500 HD (2001–2003, 2005–2007, 6.0L V8) Silverado 2500 (2001–2004, 6.0L V8) Silverado 2500 HD (2001–2010, 6.0L V8; 2001–2007, 8.1L V8) Silverado 3500 (2001–2007, 6.0L and 8.1L V8) Sierra 1500 (2002–2007, 6.0L V8) Sierra 1500 HD (2001–2003, 2005–2006, 6.0L V8) Sierra 2500 (2001–2004, 6.0L V8) Sierra 2500 HD (2001–2010, 6.0L V8; 2001–2007, 8.1L V8) Sierra 3500 (2001–2007, 6.0L and 8.1L V8) Package includes: 1 x Power Steering Pressure Hose (Pump to Hydroboost) 1 x Power Steering Pressure Hose (Hydroboost to Gear) 1 x Power Steering Return Hose (Hydroboost to Pump)