WTB - factory oil cooler for 7.3 IDI - Diesel Forum - TheDieselStop.com
7.3L IDI Diesels (Not Power Strokes) Technical discussion of topics related to vehicles powered by the 7.3 Liter In-Direct Injection Navistar engines.

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post #1 of 4 (permalink) Old 01-16-2010, 03:15 PM Thread Starter
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Question WTB - factory oil cooler for 7.3 IDI

I am looking to buy new or used facory 7.3 IDI oil cooler assembly
used on 88' - 92 engines

Picture below

Call Jim at (260) 570-7286
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post #2 of 4 (permalink) Old 01-16-2010, 05:45 PM
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Wreckers would be a choice..... then do the oil cooler oring replacement. New cooler it self is not too bad a price but the headers are really expensive. Have the orings done by a navistar dealer and tested is also a choice.

Whats up with yours.....

Info on oring change is on my photo link.

93 F250 7.3 IDI S/C XLT 4X4 E40D 3.55LS, Captains chairs, Tutone Mocha, Leer 48" Hiboy cap, FR & RR hitches, full DeeZee running boards. Factory ordered/delivered Jan 93

Toys: 2006 37' Triple E Embassy coach (powered by Cummins), 18' Sylvan Pro Fish with Mariner motors.

Proud Canadian BOOB man too!!

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post #3 of 4 (permalink) Old 01-16-2010, 06:21 PM Thread Starter
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Question JB Weld !

Since I bought the truck, oil leak has increased from the front
o ring ....

Turns out previous owner completely JB welded around the
connection between the tube & holder - it may not come apart !

I figured the easiest fix was new assembly (may not be available)
or used assembly with new o rings installed .....
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post #4 of 4 (permalink) Old 01-17-2010, 12:36 AM
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A little heat from a propane torch and it will come right apart. I have 2 complete assemblies for pickups.

91 F350 crew cab 4x4 7.3 ats and intercooled with cut down 2000 ps cooler, bigger turbo comp,head studs, torque cam, coated rockers , balanced. very good power.

made 218hp/461tq on a mustang dyno lasst dec with 80k on the rebuild
pyro,boost and all stock guages ignored with mechanical real ones
Fugitive sandrail. type 4 2840 turbo fi, lots of fun

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