How to Select Piston and Bearing: Description

WARNING: This page is about a different car, the 2004 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Selecting Piston And Bearing

Courtesy of NISSAN MOTOR CO., U.S.A.

The identification grade stamped on each part is the grade for the dimension measured in new condition. This grade cannot apply to reused parts.
For reused or repair parts, measure the dimension accurately. Determine the grade by comparing the measurement with the values or each selection table.
For details of the measurement method of each part, the reuse standards and the selection method of the selective fitting parts, refer to the text.