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Costco raises price for Kirkland motor oil, sets purchase limit

7 verified updates • corroborated by 3 independent sources • tracked since September 14, 2026

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  Sep 14, 10:01 PM 2 sources: AP News, The Seattle Times

  Costco raises price for Kirkland motor oil, sets purchase limit
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  Sep 15, 10:01 AM 2 sources: AP News, seattletimes.com
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  Sep 15, 10:31 AM 2 sources: AP News, The Seattle Times
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  Sep 15, 11:01 AM 2 sources: AP News, seattletimes.com
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  Sep 15, 11:31 AM 1 source: The Seattle Times
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  Sep 15, 12:01 PM 1 source: seattletimes.com
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  Sep 15, 12:31 PM 1 source: The Seattle Times