A gas spring assembly (102; 200; 300; 400; 500) dimensioned for securement along an associated suspension member having an associated planar surface (FPS, SPC), an associated first side surface and an associated second side surface that are disposed transverse to the associated planar surface (FPS, SPS), said gas spring assembly (102; 200; 300; 400; 500) comprising: a flexible wall (206; 306; 406; 506) that is formed from elastomeric material and that extends circumferentially about a longitudinal axis between a first end and a second end that is spaced longitudinally from said first end, said flexible wall (206; 306; 406; 506) at least partially defining a spring chamber (208; 308; 408; 508); a first end member (202; 302; 402; 502) operatively connected across said first end of said flexible wall (206; 306; 406; 506); and, a second end member (204; 304; 404; 504) operatively connected across said second end of said flexible wall (206; 306; 406; 506), characterized by said second end member (204; 304; 404; 504) including a base wall (226; 326; 426; 526) disposed transverse to said longitudinal axis, a bracket wall (230, 232; 330, 332; 430, 432; 530, 532) extending longitudinally-outwardly from said base wall (226; 326; 426; 526) in a direction opposite said flexible wall (206; 306; 406; 506) and a passage wall that at least partially defines a passage extending through said bracket wall (230, 232; 330, 332; 430, 432; 530, 532) with said passage oriented transverse to said axis, said bracket wall (230, 232; 330, 332; 430, 432; 530, 532) disposed in approximate alignment with said longitudinal axis, said base wall (226; 326; 426; 526) and said bracket wall (230, 232; 330, 332; 430, 432; 530, 532) at least partially defining a channel (240; 338; 440; 540) dimensioned to receive the associated suspension member such that said second end member (204; 304; 404; 504) can be supported on the associated suspension member, and said passage dimensioned to receive an associated fastener (248; 346; 448; 554) such that said second end member (204; 304; 404; 504) can be secured along the associated structural component by the associated fastener (248; 346; 448; 554). a flexible wall (206; 306; 406; 506) that is formed from elastomeric material and that extends circumferentially about a longitudinal axis between a first end and a second end that is spaced longitudinally from said first end, said flexible wall (206; 306; 406; 506) at least partially defining a spring chamber (208; 308; 408; 508); a first end member (202; 302; 402; 502) operatively connected across said first end of said flexible wall (206; 306; 406; 506); and, a second end member (204; 304; 404; 504) operatively connected across said second end of said flexible wall (206; 306; 406; 506), characterized by said second end member (204; 304; 404; 504) including a base wall (226; 326; 426; 526) disposed transverse to said longitudinal axis, a bracket wall (230, 232; 330, 332; 430, 432; 530, 532) extending longitudinally-outwardly from said base wall (226; 326; 426; 526) in a direction opposite said flexible wall (206; 306; 406; 506) and a passage wall that at least partially defines a passage extending through said bracket wall (230, 232; 330, 332; 430, 432; 530, 532) with said passage oriented transverse to said axis, said bracket wall (230, 232; 330, 332; 430, 432; 530, 532) disposed in approximate alignment with said longitudinal axis, said base wall (226; 326; 426; 526) and said bracket wall (230, 232; 330, 332; 430, 432; 530, 532) at least partially defining a channel (240; 338; 440; 540) dimensioned to receive the associated suspension member such that said second end member (204; 304; 404; 504) can be supported on the associated suspension member, and said passage dimensioned to receive an associated fastener (248; 346; 448; 554) such that said second end member (204; 304; 404; 504) can be secured along the associated structural component by the associated fastener (248; 346; 448; 554).