Piston and Connecting Rod Diagram - Engine Component Visual Guide #3329848 (License: Personal Use)

This monochrome vector illustration depicts a cross-sectional view of a piston with ring grooves, a wrist pin hole, and a robust connecting rod terminating in a hexagonal big-end cap with bearing bore. The design emphasizes mechanical clarity over realism, highlighting functional geometry rather than material texture or motion dynamics.

Used in educational content, repair manuals, engineering textbooks, and automotive websites to explain reciprocating engine operation; matches user intent for visual learning, technical reference, or diagrammatic support in DIY guides.