To identify the engine, you'll need more information. Here's what you can do:
1. Check for additional markings: Look closely around the engine for other numbers or letters. There may be a date code or model designation nearby.
2. Find the engine code: If you can find the engine code (usually stamped on a plate near the engine), you can use online resources like the Samba or an engine code lookup tool to determine the engine's year and type.
3. Identify the cylinder configuration: Count the number of cylinders (usually 4) and measure the cylinder bore size to help narrow down the possibilities.
4. Examine the engine components: Features like the valve cover, distributor, and carburetor can provide clues about the engine's type and year.
By gathering more information, you can increase the chances of accurately identifying your air-cooled VW engine.