The product is an Engine Control Unit (ECU) for a 1990 Toyota 4Runner Pick Up with a 3.0 V6 3VZE engine. It is a direct replacement with pin terminals and is made of aluminum. The ECU is a genuine Toyota part manufactured in Japan, with a weight of 3 lbs. It features easy installation and is a non-vintage part with no modifications required for fitment. The manufacturer part number is 89661-35441, and programming is required for this specific ECU.