These numbers specify the model years for which the engine is compatible, which are 2015 through 2019 Volkswagen Golf models. 

This describes the vehicle and engine type, indicating a 1.8-liter, 4-cylinder engine from a Volkswagen Golf. 

These are the specific engine codes, which identify the exact engine variants and their specifications within the 1.8L 4-cylinder family used in the Golf during those years. 

This denotes the approximate mileage on the engine, indicating it is a used engine with around 80,000 miles on the odometer. 

Stands for “Original Equipment Manufacturer,” meaning the engine is a genuine, factory-produced part, as opposed to an aftermarket replacement.