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Frank E.

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1 Review by Frank

Sinister Diesel

  • Sinister Diesel

“Warranty Parts”
10/14/21

I called Sinister with a technical question regarding a How to: repair on my 05 GMC Duramax Primer pump assembly. They recommended new O-Rings and shipped them to me without charge. No questions asked and very friendly both in Warranty and Technical dept's

You don't get that kind of service anymore. Thanks Julian

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