The Peterbilt 377, 378, and 379 Radiator Gaskets are essential components for maintaining the optimal performance of your Peterbilt truck. Made with cork construction, these gaskets ensure a secure and reliable seal, preventing any coolant leaks. Designed to fit most Peterbilt 377, 378, and 379 models, these gaskets are sold individually, allowing you to replace only the necessary parts. With their practicality and durability, these radiator gaskets are a must-have for any Peterbilt truck owner, ensuring efficient cooling and prolonging the lifespan of your vehicle.