Replaces part number: 2500/3800/4500/5200/5800High quality metering diaphragm assembly.Size:28*33mmMaterial:rubberColour:blackPackage Contents:32 * Carburetor accessories diaphragmOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.