This power steering pressure return hose assembly is designed for Hydroboost-equipped vehicles and replaces OEM part numbers 3401292 and 3401299.Compatible with the following 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) Silverado 3500 HD (2007–2010, 6.0L 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) Sierra 3500 HD (2007–2010, 6.0L V8) Package includes: - 1x Power Steering Pressure Hose (Pump to Hydroboost) - 1x Power Steering Pressure Hose (Hydroboost to Gear) - 1x Power Steering Return Hose (Hydroboost to Pump)