ACDelco Multi-Purpose O-Ring - 15-30570 Part #: 15-30570 Line: ACD ACDelco Multi-Purpose O-Ring 1 Year Limited Warranty Color: Black Material: Neoprene Inside Diameter (in): 0.350 Inch Inside Diameter (mm): 8.92mm Thickness (mm): 1.83mm Thickness (in): 0.070 Inch Rim Shape: Round Show More Show Less