Compatible with Silverado 1500 (2004–2006), Silverado 1500 HD (2001–2007), Silverado 2500 (2001–2004), Silverado 2500 HD (2001–2010), Silverado 3500 (2001–2007), Silverado 3500 HD (2007–2010), Sierra 1500 (2002–2007), Sierra 1500 HD (2001–2006), Sierra 2500 (2001–2004), Sierra 2500 HD (2001–2010), Sierra 3500 (2001–2007), and Sierra 3500 HD (2007–2010); all models equipped with V8 6.0L or V8 8.1L engines. Fits OE numbers: 15113472, 26080632, 340219915295853, 15770019, 340129215169912, 26071669, 3401292, 3401299. 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)