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o-ring

Attention: TDR Forum Junkies
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    High Pressure PS Hose O-ring

    Doing a PS flush. I think this o-ring has seen a few years. A) What do I replace it with? B) What type of material does this o-ring use? EDPM, Buta-N, Vitron...? The metal tube OD --> ID for the o-ring I measured at 9.2mm / .36" The o-ring thickness (in its squished state) I measured at...
  2. T

    P7100 o-ring

    Is the following p/n correct: cummins 3969698? This should be the seal for the p-pump to the timing case. Is it a square ring or a round ring? I've seen different prices on the web with the same p/n, and I don't know what it should be. Should it be replaced when the p-pump gets removed? I...
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