An interchangeable cylinder system for furniture locks. The interchangeable cylinder system includes a cylinder housing, a lock cylinder configured to be inserted into and withdrawn from the cylinder housing. The lock cylinder is configured to be twisted about a longitudinal axis of the lock cylinder between an opening position and a closing position. The lock cylinder includes a collar which protrudes radially with respect to the longitudinal axis and beyond a jacket surface of the lock cylinder. The lock cylinder includes an opening into which an unlocking element is configured to be inserted. The jacket surface includes an annular groove into which a locking element engages to secure the lock cylinder in the cylinder housing. An axial stop is integrally attached in an interior of the cylinder housing and through which stop a base region of the locking cylinder extends, which base region is remote from the collar.