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The “O” ring that seals the sending unit/pump assembly into the tank is # 6031 475. This is just a simple “O” ring, probably still used for the same purpose on most MOPAR cars, and probably still in stock at any dealership. Yours may be “flat” now, but I believe it started life as a regular round cross section “O” ring.
The seal around the filler pipe entry into the tank is also common to many MOPARS, and was still in stock last I needed one. The part number is #4002 010.
If those are dry and brittle, you should also replace the rollover valve seal, #4002 149, and all the fuel hoses with modern SAE30R10 hose – it is the only hose that can stand up to the modern fuels with all the oxygenating additives.
Dick Benjamin
From: mailing-list-owner@xxxxxxxxxxxxxxxx
[mailto:mailing-list-owner@xxxxxxxxxxxxxxxx] On
Behalf Of Mrfixit1962@xxxxxxxxxxx
My 1981 Imperial gas tank pickup/sending unit is leaking because of the gas tank seal is dry rotted from setting 17 years. The one I am looking for is the flat round seal that goes between the gas tank and the sending unit/pump assy. I also need to find the fill tube gas tank seal as well. Does anyone have a source or have part numbers where I can order these parts? I also am looking for the tan cloth or leather seats as well. Car specs, 1981, Imperial 318 V8 EFI 34K miles. Thanks Kyle |
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