It seems that practically every CDI I found was either silver, grey, or black. A few white ones were available, but very few compared to the others. I could have bought ten silver cars within 500 miles, but not a blue or red one to be found at that time. Out of the fifty or so CDI's that were available online (a couple months ago), only three were red or blue. I have only heard of one in green. I was sent a link that explains the reason why:
Car paint colors: Why are so many cars painted white, silver and black?

This is a very interesting read......Rich

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All Diesel Fleet
1985 R107 300SLD TURBODIESEL
2005 E320 CDI (daily)

LOTS of parts for sale!


EGR block kit
http://www.peachparts.com/shopforum/diesel-discussion/355250-sale-egr-delete-block-off-plate-kit.html

1985 CA emissions 617 owners- You Need This!
Sanden style A/C Compressor Mounting Kit for your 616/ 617 For Sale + Install Inst.

Sanden Instalation Guide (post 11):
http://www.peachparts.com/shopforum/diesel-discussion/367883-sanden-retrofit-installation-guide.html