Banjo Fittings

[Harry]

I'm curious.  It appears on my 230SL that a fitting with a banjo bolt has a soft washer under the bolt head but nothing between the fitting itself and the mating surface?  Is this correct?

Harry

[ja17]

I believe they have metal seals on both sides of the banjo fitting.

[Shvegel]

https://www.amazon.com/Quality-Hilitchi-300-Pcs-Washers-Assortment/dp/B0713T564N/ref=sr_1_1_sspa?dchild=1&keywords=copper+washers&qid=1586852179&sr=8-1-spons&psc=1&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUExTVBLRlE0UTAyQUtRJmVuY3J5cHRlZElkPUEwODMzNjkyMlZPMzE0SlU1VEVBRyZlbmNyeXB0ZWRBZElkPUEwMzYwMTU3MU8wQk1BVkhNTk1XNSZ3aWRnZXROYW1lPXNwX2F0ZiZhY3Rpb249Y2xpY2tSZWRpcmVjdCZkb05vdExvZ0NsaWNrPXRydWU=

[Harry]

I also would have expected a soft metallic gasket/seal on both sides but it doesn't appear that is the case when I look at some of the original fittings that I don't think have ever been broken on my car.  However it sounds as though when others on the forum have broken and reassembled these types of fittings, they have placed such a seal on both sides?  The coolant bypass tube on the head is a good example.

Thanks,
Harry

[Aaron h]

The coolant bypass hose always had two crush washers on each side of the fitting.  If you'll look in a parts book or catalog all of the fuel line fittings like this require two crush washers.  They all show (2) quantity for each fitting. 

[UJJ]

I bought everything related to Banjo Fittings here:

[Harry]

Wow - that's a good resource to make note of.  Thanks.