1996-2002 Toyota 4Runner 3.4L V6. 1996-2000 Toyota 4Runner 2.7L 4 Cyl. 1994-1995 Toyota 4Runner 3.0L V6. 1994-1995 Toyota 4Runner 2.4L 4 Cyl. O-Rings feature HNBR rubber and sealing washers contain nitrile rubber to help optimize sealing and product longevity.