Abstract: A compact door check of modular design for a vehicle door is described that can be integrated in the door hinge and mated with many types of hinges and door assemblies. The door check according to the invention is includes a housing affixed to a first half of the door hinge, a shaft extending through the housing and connecting the other half of the door hinge to the first half to allow the first half to rotate about the shaft, and a detent mechanisms defining a plurality of detent positions of the door hinge. The detent mechanism is enclosed in the housing so as to be sealed against the environment to prevent contaminants and debris from affecting the operation of the door check.