1、OE Number: The referencing OE number of this engine hood hinge pivot bolt kit are M134708R, M134708L, 13 04708R, 13 04708L, 13 04154, 13 04164. 2、Fitment: The engine lower hood pivot kit is a replacement for Peterbilt 377 378 379, please check the model of your truck before ordering. 3、Durable Construction: Made from high strength aluminium materials, this kit is built to withstand the rigors of daily use, offering long lasting durability and reliability. 4、Smooth Operation: The hinge pivot bolt and J hinge bushings ensure smooth and frictionless movement of the engine hood, allowing for easy opening and closing. 5、Complete Set: This kit includes all the necessary components, including the hinge pivot bolt and J hinge bushings, providing a comprehensive solution for worn out or damaged hood hinges.