MX757 From United States of America, joined Aug 2005, 628 posts, RR: 12
Reply 2, posted (8 years 2 months 3 weeks 16 hours ago) and read 2430 times:
Even though the 737 and 757 winglets have the same length, width, and height they are not unchangeable. The attach fittings are different and the 757 winglets have the wing tip strobe lights mounted on them. The 737 wing tip strobes are still installed in their original position.