An electrical connector, configured to be connected to a mating electrical connector comprising: a connector body; either a pin or a socket, positioned within the connector body; a coupling sleeve, positioned over the connector body; and a replaceable sealing element that at least partially surrounds the connector body and is configured to be releasably connected to the coupling sleeve, said replaceable sealing element including: a sealing body including a free end of a first diameter, a fixed end of a second diameter, which is less than the first diameter, and a side wall extending between the two opposed ends (40, 42), an annular shoulder being formed on the side wall between the ends (40, 42), wherein the exterior facing surface of the fixed end of the replaceable sealing element includes a threaded portion that is configured to be releasably mounted to a threaded portion of the coupling sleeve of the connector, a first seal that is positioned on an outer surface of the side wall of the sealing body for sealing contact with the coupling sleeve, and a second seal that is positioned on an interior surface of the side wall of the sealing body for sealing contact with the mating electrical connector, wherein the free end of the replaceable sealing element includes a plurality of slots that are configured to be engaged by a set of prongs of a tool for releasably connecting the sealing element to the coupling sleeve. a connector body; either a pin or a socket, positioned within the connector body; a coupling sleeve, positioned over the connector body; and a replaceable sealing element that at least partially surrounds the connector body and is configured to be releasably connected to the coupling sleeve, said replaceable sealing element including: a sealing body including a free end of a first diameter, a fixed end of a second diameter, which is less than the first diameter, and a side wall extending between the two opposed ends (40, 42), an annular shoulder being formed on the side wall between the ends (40, 42), wherein the exterior facing surface of the fixed end of the replaceable sealing element includes a threaded portion that is configured to be releasably mounted to a threaded portion of the coupling sleeve of the connector, a first seal that is positioned on an outer surface of the side wall of the sealing body for sealing contact with the coupling sleeve, and a second seal that is positioned on an interior surface of the side wall of the sealing body for sealing contact with the mating electrical connector, wherein the free end of the replaceable sealing element includes a plurality of slots that are configured to be engaged by a set of prongs of a tool for releasably connecting the sealing element to the coupling sleeve. a sealing body including a free end of a first diameter, a fixed end of a second diameter, which is less than the first diameter, and a side wall extending between the two opposed ends (40, 42), an annular shoulder being formed on the side wall between the ends (40, 42), wherein the exterior facing surface of the fixed end of the replaceable sealing element includes a threaded portion that is configured to be releasably mounted to a threaded portion of the coupling sleeve of the connector, a first seal that is positioned on an outer surface of the side wall of the sealing body for sealing contact with the coupling sleeve, and a second seal that is positioned on an interior surface of the side wall of the sealing body for sealing contact with the mating electrical connector, wherein the free end of the replaceable sealing element includes a plurality of slots that are configured to be engaged by a set of prongs of a tool for releasably connecting the sealing element to the coupling sleeve.