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Printed from https://aircraftdirectives.com/engines/lycoming-o360-a4m/breakdown · AircraftDirectives restates official FAA and manufacturer records; the official sources named on this sheet control. Not an airworthiness determination.

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Lycoming

O-360-A4M

Four parallel-valve cylinders, wet sump, updraft carburetor and compact ignition routes in a fitted bare-engine exterior.

Rendered exterior of the Lycoming O-360-A4M engine

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Model accuracy & scope

Reviewed exterior models with fitted geometry. Installed part numbers and component-level manual matching remain unverified unless explicitly identified.

  • Reviewed first exterior; dimensions, routes and materials include fitted approximations. Not exact installed OEM geometry.
  • Parts groups are a browsing aid, not an OEM exploded assembly or an installed parts catalogue.
  • Internal mechanisms, functional flow and maintenance fit are not established.
  • Fitted harness extends 70.374 mm beyond the 750 mm rigid envelope.
  • Finite blind openings, bright finish and installed accessory identity remain qualified.

Use the applicable manufacturer manual and parts catalogue for maintenance and exact installation details.

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Manufacturer references

These references inform the model as a whole. A component is linked to a specific page or figure only when that match has been verified.

  1. Lycoming O-360-A4M Parts Catalog PC-306-A4M

    Document host: www.lycoming.com

    November 2012

    Reference pages: Figs 4, 10, 14, 16, 19, 21, 23, 26

    A4M case, cylinder, induction and accessory roles; not a serial-specific installation or manufacturing drawing.