Piston and Connecting Rod Diagram - Engineering Illustration #1532181 (License: Personal Use)

This black-and-white line drawing depicts a piston connected to a connecting rod via a wrist pin, with visible ring grooves and skirt details. The illustration uses dashed lines to indicate hidden features and internal structure, typical of engineering schematics. It serves as a clear visual aid for understanding reciprocating engine mechanics.

Used in educational materials, technical manuals, or automotive engineering websites to explain engine component function and assembly; matches user intent for learning or troubleshooting internal combustion systems.