Find all of your 3M Littmann Stethoscope Parts and Accessories here. Emergency Medical Products offers a wide variety of 3M replacement products 3M Littmann Stethoscopes such as snap on rims and tunable diaphragms. Are you in need of some new eartips/ear pieces for your stethoscope? Look no further, we have them. With our 3M Littmann Stethoscope Identification Tags you’ll be able to distinguish yours from the rest. Now is the time to replace those parts and accessories.