This new genuine original Hongfa pcb relay to 6v is currently in stock under part number HF115F-Q/006-1H3. Product specifications include 41 mm length, 12.7 mm width, and 15.7 mm height. Further product details include 6 V coil voltage and 20 A max rated current ac. If you need to double-check fit, use Fixit Fox Finder or contact customer services before ordering.