Wal-Mart is the scourge of American retail. Find a locally-owned auto parts store. Unless you plan to use the fluids, drain them, and then return them in old milk jugs and demand a refund. Same with the battery. There is no other use for the place.

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1966 200D Fintail. "Flossie" 151k Dying a slow death.
2008 ML320 CDI 32k "Waiting for a name"