W 250 Pickup L6-359 5.9L DSL (1989)
Measure the pin bore.
Maximum Diameter - 40.053mm [1.5769 inch]
Piston and Rod - Assembling
PISTON AND ROD - ASSEMBLING
CAUTION: Be sure the "Front" marking on the piston and the numbers on the rod and cap are oriented as illustrated.
Install the retaining ring into the pin groove on the "Front" side of the piston.