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When New Cylinder Block Is Used

Check the cylinder bore grade ("1", "2" or "3") on rear side of cylinder block, and select piston of the same grade.

Fig 1: Identifying Cylinder Bore Grade
G05207447Courtesy of NISSAN NORTH AMERICA, INC.
A : Bearing housing grade No. 1
B : Bearing housing grade No. 2
C : Bearing housing grade No. 3
D : Bearing housing grade No. 4
E : Cylinder bore grade No. 1
F : Cylinder bore grade No. 2
G : Cylinder bore grade No. 3
H : Cylinder bore grade No. 4
I : Cylinder bore grade No. 5
J : Cylinder bore grade No. 6
K : Identification
: Engine front
NOTE:

Piston is available with piston pin as a set for the service part. (Only "0" grade piston pin is available.)