It doesn't really make a difference except that a generic part will not necessarily be an exact fit, might not follow the contour of the glass and nor will it have air spoilers etc that the original part might have.
The 2006-2007 Honda Civic SEDAN wiper blades are dealer-only and you must buy them at the dealer. Aftermarket wiper blades are available for the coupe and the coupe takes 28" driver side and 25" passenger side and 16" replacement wiper blades. Be sure to always lookup the exact part numbers for the brand of wipers you decide to purchase. This not only ensures the correct lengths but also the correct attachments. See related links below.
Assuming this is a Mercedes-Benz, it is not listed in aftermarket catalogs for that year which indicates the parts are dealer-only.
You don't. You have to buy new ones.
This is strictly opinion, however Trico NeoForm beam blades are excellent wiper blades. See sources and related links below to lookup your vehicle's wiper blade sizes.
There are a few places to buy wiper blades online. You can shop at thewiperstore.com which is dedicated to wiper blades, or another online alternative would be napaonline.com.
The 2007 Honda Civic COUPE takes 25" drivers and 28" passenger side wiper blades. See sources and related links below for more information. Since there are over 22 different wiper arm attachments, do not buy wipers just by length only. Be sure to lookup exact wiper blade part numbers by vehicle make, model and year for the brand wiper you decide to purchase. This ensures correct length AND correct attachment.NOTE: You must go to the dealer for wiper blades on the 2007 Honda Civic SEDAN
Everyplace that sells wiper blades has an application chart telling you exactly what size blades to buy. Or you can just measure them with a tape measure to determine the length of each blade.
You must go to the dealer for 2007 Honda Civic SEDAN wiper blades. The 2007 Honda Civic 2-door COUPE takes 28" drivers and 25" passenger side wiper blades. See sources and related links below for more information. Since there are over 22 different wiper arm attachments, do not buy wipers just by length only. Be sure to lookup exact wiper blade part numbers by vehicle make, model and year for the brand wiper you decide to purchase. This ensures correct length AND correct attachment.
Most auto parts stores will change them for you if you buy them there.
Changing the wiper blades is very simple if you get the correct replacement wiper blades that are the correct lengths and attachments. To do this you must look the correct part numbers up for the brand you decided to buy. The new wipers will come with instructions or see the related links below.
The 2003 Acura TL 3.2 takes 24" drivers side and 19" passenger side replacement windshield wiper blades.
Why do you want to buy them from Japan? Any auto parts store can sell you replacement wiper blades.