Need some help with finding a caliper repair kit for my 2005 E320 CDI, I bought W0133-1716443 kit listied on fastlane as an appropriate repair kit for my front calipers. It was much too small and I think it was meant for a two piston caliper.
I have a single large piston caliper , here is the picture with a damaged boot that needs to be replaced.

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1987 300D
2005 E320 CDI