The 95-526-9-8 carburetor metering diaphragm, a black rubber diaphragm with a rectangular flange and alignment notch, six screw holes, and a center metal plate with five round holes and a central pin, used in the metering diaphragm pump to draw fuel and meter the flow. In the same family as and interchangeable with the 95-526, 95-526-8 and 95-526-9. Covers why one diaphragm carries so many numbers, its role, and how to replace it.