FITS THE FOLLOWING: all 124 chassis. O.E. front or rear door check straps (2) for your 124 chassis Mercedes Benz. They have a universal design for all four doors. These have the plastic seals to keep water from drying out the grease. These fit 300E, 260E, 300D four door sedans. If your rear doors are groaning or squeaking when you open or close them it is time to replace the check straps with new. Easy to install. Comes complete with instructions.