Seems that Chinese goods have struck yet again. I "upgraded" my rear wheel cylinders today and changed shoes. I generally like NAPA products so I got 2 37337 part numbers as suggested on TDR. Put the first on no prob. Went to the second and it would not fit. Too long. Looked at the packaging, MADE IN CHINA vs MADE IN ITALY on the one that works. NAPA guys only response "Boy, they are different aren't they". Luckily they had another Italian job and all went well. Just thought I would pass along maybe keep someone from wasting an hour of driving like it did me.