The product is a Starter Solenoid with the manufacturer part number SS581T, designed for use with 12-volt systems. It is a standard/T-Series solenoid with an OE/OEM part number of 81. This starter solenoid is intended for automotive applications, specifically as a component of the starter motor system. It is a reliable and essential part for ensuring proper starting functionality in vehicles equipped with this type of solenoid.
not much to say . it does what it is supposed to do . it relays the electrical signal to the starter and other accessories. it looks like it is of good quality time will tell