This is a surplus unit for an Altima with the Bose system. It is in excellent condition and has been tested. This unit will work in a Bose system only not in a standard radio system. The part number will be 28185-ZX00A or ZX05B. We are Eastside Automotive and we specialize in factory OEM radios since 1989. We know radios. Call 800-777-9914 or email us with any questions.