Hi, I just purchased a lovely 964 RS clone and all is good except a leaking front caliper due to a blown seal. Am just wondering whether anyone can help me with the part number for the seal kit.

The part numbers on the inside of the calipers are as follows, 91 1 20.4701.01 and the other side 91.1 20.4702.01

I was told they were 964 RS brakes but I’m not sure.

Any help is greatly appreciated.

Thanks, any idea on the part numbers ? Still wasn’t sure whether my brakes are actually 964 RS items. The numbers on them didn’t seem like ‘ordinary’ Porsche part numbers.

Many thanks for response and part numbers. This site is amazing.