The Nissan NA family of straight-four engines is a series of engines manufactured by Nissan (Nissan Machinery). It is the replacement of the Nissan Z engine, Z series, on which its design is based, and is mostly used in commercial vehicles due to its use of Liquefied petroleum gas for fuel on engines with a "P" suffix code.

NA16S

*Engine type: , bore and stroke, SOHC *Output: at 5,000 rpm *Torque: at 3,200 rpm

Applications

*1989–1995 Datsun Truck D21 *1990–1995 Nissan Atlas F22 - F23

NA20P

*Engine type: , bore and stroke, SOHC *Output: at 4,600 rpm *Torque: at 2,400 rpm 1998 update *Output: at 4,600 rpm *Torque: at 2,400 rpm

Applications

*1990–2015 Nissan Cedric Y31 *1993–2009 Nissan Crew K30

NA20S

*Engine type: , bore and stroke, SOHC *Typical output: at 5,000 rpm *Torque: at 3,000 rpm

Applications

*1989-1999 Datsun Truck D21, at 5,000 rpm *1990–1999 Nissan Atlas F22 - F23 *1990–1999 Nissan Atlas H40 *1990–1999 Nissan Homy / Nissan Caravan E24

References

{{nissan Nissan engines, NA Straight-four engines Gasoline engines by model