Easy installation. It could replace the parts correctly. Information about the in the product description. Please confirm the model, displacement and year of your car before purchasing to avoid additional losses. Compatible with for Astro 4.3L 1996-2005 4.2L 2002 4.3L 1995-2005 C1500 Pickup 4.3 / 5.0 / 5.7L 1996-1999 C1500 5.7L 1996-1999 C2500 Pickup 5.0 / 5.7 / 7.4L 1996-2000 C2500 5.7 / 7.4L 1996-1999 C3500 Pickup 5.7 / 7.4L 1996-2004 Express 1500 4.3L 1996-2007 Express 1500 5.0 / 5.7L 1996-2002 Express 2500 4.3L 1996-2005 Express 2500 5.0 / 5.7L 1996-2002 Express 3500 5.7 / 7.4L 1996-2002 G30 4.3L 1996 2001 2002 K1500 Pickup 4.3 / 5.0 / 5.7L 1996-1999 K1500 5.7L 1996-1999 K2500 Pickup 5.0 / 5.7 / 7.4L 1996-2000 K2500 5.7 / 7.4L 1996-1999 K3500 Pickup 5.7 / 7.4L 1996-2000 P30 4.3 / 5.7 / 7.4L 1996- 1999 S10 4.3L 1994 S10 Pickup 4.3L 1994-2004 1500 4.3L 1999-2007 5.7L 1996-2000 Compatible with for C2500 5.7 / 7.4L 1996 1997 1998 1999 C3500 5.7L 1996 1997 1998 1999 2000 C3500 7.4L