Hi:~
The first link is for push fit plumbing and for this application the fitting is quite bulky, oil may also effect the same.
The second link is for copper and I would use these- pictures attached.
A street elbow has an extended spigot, the opposite end may need a short length of pipe soldered into place- these fittings are end feed for copper or have an incorporated solder ring.
I've used the above on classic car heater hose and the 15mm pipe is a tight fit into the hose- the fitting itself (socket) is too larger for the hose.
Either of the bends shown will work.
The local plumbers merchant may have long spigot bends ie already formed-save soldering.
Your new hose should be oil resistant quality.
Hope it helps.
Regards Bob.
Last edited by Bob Meadows; Jul 8th, 2021 at 15:26.
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