Just replaced my fuel filter with one from Fastlane (Mann) and included were two o rings one large and one smaller. I figured out where the large one fits on the bolt at the very top but I didn't see a small one on the bolt when I removed it. Where does the small one fit??

I've searched but didn't find anything readily. Thanks for the help.

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99 E300 133K
98 ML320 99K
87 Saab 900 Turbo Conv 123K

Its used on the '95 W124 with the 606.910 engine only. It has a push button kill switch intregrated in the bolt and requires the second oring.

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Terry Allison
N. Calif. & Boca Chica, Panama

09' E320 Bluetec 77k (USA)
09' Hyundai Santa Fe Diesel 48k (S.A.)