The "installation side: right" means that the spare part is mounted on the passenger side.
The "installation side: left" means that the item is mounted on the driver's side.
This information is always from the direction of travel.
There are spare parts with the specification "installation side: both sides". Here the article can be installed on both sides. However, this does not mean that it is a set for both sides. In this case, please adjust the quantity in the shopping cart.
The installation side must be observed for the following assemblies:
Mirrors / exterior mirrors
Headlights / front headlights / main headlights
Taillight / rear light
Tie rod / tie rod end