Size of copper injecter washers - Diesel Forum -
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 2 (permalink) Old 05-16-2019, 05:37 PM Thread Starter
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Size of copper injecter washers

Hi guys, I have spent a few hours trying to find the actual size of the copper washers on the injectors. Can't find the info anywhere. Just people that want to sell me kits with a bunch of stuff I don't need.

Does anyone know the exact size/dimensions of the copper washers meant to go on the bottom of the 7.3 idi injectors?

Probably doesn't make any difference, but the injectors are stanadyne type d. Made in italy 5-05 781535

Thank you.

89 F250 XLT Lariat 7.3idi C6 4WD
92 F250 XLT Lariat 7.3idi E4OD 4WD
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post #2 of 2 (permalink) Old 05-16-2019, 08:15 PM
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Take an injector with you to the local IP rebuild shop. get an ANNEALED copper washer that fits over the nozzle and doesn't hang over the body of the injector. They need to fit fairly snug, so that there isn't any leakage. You could also buy one new injector, they come with them, then measure everything.

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