The ACL main bearing set for Nissan 4‑cylinder CA16/18/20 engines covers displacements from roughly 1,597 to 1,974 cc and model years 1982–1990. It restores main journal support and correct clearance for the listed CA engine family during rebuilds or repairs. Specify this set when servicing applicable Nissan four‑cylinder engines in the given range.
ACL Nissan 4 1597-1809-1974cc CA16/18/20 82-90 Engine Crankshaft Main Bearing Set