Gudgeon pin
PIN THAT HOLDS CONNECTING ROD TO PISTON HEAD
Gudgeon Pin (Internal Combustion Engine); Gudgeon Pin; Wrist pin; Piston pin; Gudgeon pins
In internal combustion engines, the gudgeon pin (UK, wrist pin or piston pin US) connects the piston to the connecting rod, and provides a bearing for the connecting rod to pivot upon as the piston moves.Nunney, Malcolm James (2007) "The Reciprocating Piston Petrol Engine: Gudgeon pins and their location" Light and heavy vehicle technology (4th ed.