The dynamo is the heart of the charging system.
Non-tach drive type. These DO NOT come with fan or pulley, reuse your old ones or order replacements. See dynamos with alternator internals for extra power
GXE1006 negative earth. Or positive earth
GXE1007. Pulley is
12A1772 and Fan is
17D11.
Please note these are negative earth and will need repolarising for postive earth vehicles.