Oil Cooler Adapter Fitting for Radiator

Grover

Well-known member
I'm looking to replace my oil cooler lines and I have the fixed 20mm fitting on my radiator.
Anybody have a part number for an adapter to go from the radiator fitting to either a 8an male or 8JIC male?
BTW, this is for a D90 with a 3.9V8
Cheers...
 

Angus

Well-known member
I did this exact thing when I switched to an Allisport radiator. Andrew at Allisport said the original fittings are M20x1.5. I do not remember of the top of my head where I got it, but I found it with a google search for M20x1.5 and #8JIC. BTW, they worked perfectly to adapt my Trailhead lines.
 

Angus

Well-known member
Bought mine from a hydraulic supply shop. Would not hesitate to get one from Trailhead if available. BTW, the swivel on this one makes it easier to install.
1596803526237.png
 

Angus

Well-known member
I looked so see if I could find the invoice, but no luck. I did notice that Tailhead 4x4 shows them on their web page. I would call them to make it easy.

Trailhead 4x4
440-212-1636
7777 Exchange St
Valley View, Ohio, 44125
 

WreckITFrank

Technical Excellence Contributor
Does anyone know the fitting size for the o-ring type connectors? The radiator was replaced by the PO with ESR3685, which i was told was the "newer type." Bonus if you know the other side of the lines as well that go into the sandwich adapter (either banjo or actual thread)
 

Mdubs

Well-known member
Stupid question. I have a 3.5 V8 swapped into my truck. Do I need to worry about oil cooler lines? Can I swap in stainless lines? Or was the threat of engine fires primarily a NAS truck thing?
 
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