All qualifying parts are identified with a message stating 'Qualifies for Free Shipping...' Parts without this message do not qualify for Free Shipping.Ground UPS only - expedited shipping does not qualifyOrders must be shipped to an address in the contiguous 48 U.S. statesThe following parts do not qualify for Free Shipping:All tires, wheels, and drivetrain partsOversized items and items delivered by truck freight.Some exclusions apply.