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Sinclair Gas Gift Card Balance Check

You can check Sinclair Oil gift card balance online by first going to Customer Service page. Once there, contact their customer service number to check your balance. You can check Sinclair Gas gift card balance online on our website, or call Sinclair Gas at 1-866-650-6049. You can also visit any Sinclair Gas store and inquire a cashier to check the balance for you.

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