An in-line quick connector has a female connector body arranged to receive a male connector body in an interior cavity. The male connector body includes a bifurcated tubular member that includes resilient latching arms co-operable to engage latching members located within the interior cavity of the female connector body. The male connector body and female connector body each further include a raised annular flange. Fixed key members located on the male connector body flange engage slots located on the female connector body flange.