Excellent synthetic for a 2005 Silverado 2500HD Duramax LLY; Horrible shipping!

I, like others, experienced the problem of Amazon shipping these jugs on their side and having the seal/cap fail. An unknown amount of oil leaked out and soaked the box. Amazon made it right -- they refunded my purchase price. If they can fix the shipping issue (UPRIGHT .. with arrows!), then this will be a great deal!

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