The product is a genuine OEM main engine room harness for a 1993 Toyota T100 3.0L 4WD manual transmission. It has been tested and comes with a 1-month manufacturer warranty. The interchange part number is 646.TO1796. This harness is designed specifically for the Toyota T100 model, ensuring a perfect fit and reliable performance. With its genuine OEM status, you can trust that this product has been manufactured to the highest standards of quality and durability.