Block Expansion Valve. A/C Expansion Valve. Warranty Type. Warranty Duration. 18-0338, 18-0550, 180550, 3411921, 39560, SU003A0014, T39560. Part Numbers. ADVANCE/CARQUEST PREMIUM HVAC, AUTOZONE/4SEASONS - KIT, BASE HVAC, FOUR SEASONS, GLOBAL PARTS, RANSHU, TOYOTA OE.
