Go for the Continental. It is the original and quality is very high. Just don't buy the autozone junk. I got one from them and the original continental after about 150k miles looked better than the autozone after 15K miles. Continental will last for a long time without any problems.
I wonder how you can get it for $17! I usally pay about $28 online and the dealer in my area wants $60!
1993 190E 2.6
Advanced Diesel Systems Test and Research Engineer