Wimbledon37 Posted November 6, 2023 Report Share Posted November 6, 2023 On my P4 engine the oil pressure take off seems to be just to the right of the crankcase ventilator tube and next to the block drain down tap. Does anyone know the part number for the brass block fitting that goes in the block and connects to the oil pressure pipe? Quote Link to comment Share on other sites More sharing options...
andyd Posted November 6, 2023 Report Share Posted November 6, 2023 As far as I know those brass block, 90degree fittings are just a standard pipe fitting, I suppose they do have a mopar part number but I think they are a 1/8th BSP fitting that you should be able to find in any good spare parts place or hydraulic parts shop.......I'll get out my 1936-42 Parts Manual & have a look but they are just a generic piece AFAIK.........andyd Quote Link to comment Share on other sites More sharing options...
DJ194950 Posted November 6, 2023 Report Share Posted November 6, 2023 The part is 1/8" NPT into the motor. National pipe thread is what is most often used in the US for ages.. Where as Europe used British Pipe threads and others. Comes down to the # of threads per Inch or other measurements and the size of the pipe. The part ( fitting) can be a straight to what ever oil pipe thread type connection is and be a 45 degree , 90 degree or what works best for your application. DJ Quote Link to comment Share on other sites More sharing options...
andyd Posted November 6, 2023 Report Share Posted November 6, 2023 Well....buggar me.........lol..........I actually found it in the Parts manual...........90 degree is # 869572, straight version is # 670463 ........both are called "Engine to Oil Filter Tube Elbow Nipple" ............regards, andyd Quote Link to comment Share on other sites More sharing options...
Wimbledon37 Posted November 7, 2023 Author Report Share Posted November 7, 2023 Thank you both for your replies. My engine came completley disassembled with all the brass fittings removed. I have a straight one which fits with damaged thread on the outlet side. This fitting has a bore restriction. on the outlet side. Would this be the correct fitting? Quote Link to comment Share on other sites More sharing options...
DJK Posted November 7, 2023 Report Share Posted November 7, 2023 On my 52 the fitting with the restriction goes to the gauge. Quote Link to comment Share on other sites More sharing options...
Wimbledon37 Posted November 7, 2023 Author Report Share Posted November 7, 2023 thanks. I now know which one to fit! Quote Link to comment Share on other sites More sharing options...
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