B1CB2AK1 - 607 ES9J4S ENGINE

DATA - IDENTIFICATION PISTONS - PISTON RINGS

1 - PISTONS

(A) Mark directed towards the timing side .

(B) Piston categories identification mark .

Zone E (Above the oil filter) :

the piston categories are given on the cylinder block (E), on the timing side, and on the piston (B)
the first character (1) corresponds to piston no. 1 of cylinder no. 1, the second (2) to piston no. 2 of cylinder no. 2 and so on
the arrow indicates the timing gear end

Zone(s) F : Numerical mark of the corresponding cylinder .

dimensions (mm) (nominal)	category A	category B	category C
C	57.65	57.65	57.65
ø D	86.975 + 0.007 0	86.982 + 0.007 0	86.989 + 0.007 0

The pistons are supplied fitted with their pins and rings; do not interchange them .

2 - PISTON RINGS

(7) Compression ring with layer of plasma - embedded ceramic .

(8) Special cast iron conical hooked type compression ring .

(9) Scraper ring with spiral spring expander .