A Series Diesel Engine Base Engine Components 152
Piston and Rod Assemblies
Piston features include : high swirl combustion bowl
cast aluminum body and 3 ring grooves.
Always check the part number to be sure the correct
configuration is used during piston replacement.
The piston ring sets are also different. While both sets
consist of three rings; two compression rings and one
oil ring.
A free floating, hollow piston pin is used to attach the
piston to the connecting rod.
Lubrication of the pin and journal is accomplished by
residual spray from piston cooling.
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