The KA24 is a 2.4L 4-cylinder gasoline engine produced by Nissan. It was part of the KA engine family, which was introduced in the late 1980s and used in a range of Nissan vehicles, particularly in pickups and SUVs. The KA24 engine is most commonly associated with the Nissan Hardbody Pickup and other models in the Nissan truck lineup, especially in North America during the late 1980s to the early 2000s.