Good morning,
By any chance, someone should have already worked on the oil cooler hoses for an S-Type V8R, (XR843462 and XR843463) and noted the diameters (inside and torus) of the lower O-rings and upper part of each hose (in case they are different).
If this is the case and the measured values ​​are safe, I would be interested to know them, because these parts are no longer available.
Thank you for your comeback.
Sincerely,
JEAN MICHEL

 

Sorry not reached that project as yet.

https://parts.jaguarlandroverclassic...oler-hose.html

Below are a couple of options.

https://jagspares.co.uk/modern-jagua...ler-pipes.html

https://www.sngbarratt.com/English/#...ds=%5B13714%5D

The difficulties, are in removing the oil cooling pipes, without breaking the fittings and or the securing bolts.

Once removed, the pipes can be refurbished by a local hydraulic pipe repair shop, if not one of the options, new as suggested above..