The Peterbilt 379 and 378 Pivot Assembly Hinge is a durable and reliable option for replacing worn-out or damaged hood hinges on your truck. Made of cast aluminum, this assembly is available for both left and right sides and is designed to match the thickness and shape of the original equipment manufacturer (OEM) part. The complete assembly includes the hood hinge and "J" bracket, and it fits most Peterbilt 379 models. Sold individually or as a pair, the TS-4730L and TS-4730R options are direct replacements for OE part numbers 13-04730L and 13-04730R, respectively.