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Glow plug o-rings

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Old Jul 18, 2021 | 03:53 PM
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Glow plug o-rings

Does anyone know the size of the glow plug o-rings for a 6.0? I've searched around for this and the only info I found indicated OD is ~ 8.5mm.
edit- 8.5mm couldn't be correct, I am guessing that is the bore below the sealing surface. Last thing I found seems to indicate the OD of the o-ring is around 17.1MM.
 
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Old Jul 18, 2021 | 10:14 PM
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You might be thinking of something else? The injector maybe? B.

 
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Old Jul 19, 2021 | 12:13 AM
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The glow plug harness o-rings, the connector that attaches to the top of the glow plug has a grommet with an o-ring.
 
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Old Jul 20, 2021 | 02:48 PM
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Looks like ~20mm OD and ~14mm ID. Taken off my old glow plug harness connector so not sure about the accuracy.

Getting some hits on part #W300965.

https://swagperformanceparts.com/6-0...ess-oring-kit/

 
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Old Aug 22, 2021 | 03:57 PM
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For reference actual dimensions
13/16" OD, 9/16" ID 1/8" section width
My OE harness o-rings appeared to be silicone as they were red/white but the replacement ford part appears to be garden variety buna nitrile part# W300965
 
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