Looking for source of clear turn signal len 94 E-320

Greetings MB'ers,
Just drove 1800 miles in 26 hours, Phila, PA. to Denver, CO. In addition to getting a speeding ticket and having the cop tell me that he received a 911 about my driving skills my front turn signal lens fell off somewhere on Omaha Rt80. (The 911 call was a first for me. I can only guess how long it took him to catch up to me from where ever he was?) In any case I have the "clear" lens and can't remember where I bought them, does anyone have a source?
Thanks
DSR