Door seals for heavy duty trucks are crucial for maintaining a secure and insulated cabin environment. These seals prevent air, water, and dust from entering the cab, ensuring driver comfort and protecting the interior components from damage caused by external elements. Designed to fit snugly around the door frame, they help reduce noise and improve thermal insulation. Available in a variety of materials and configurations, door seals are tailored for different models to ensure a proper fit and long-lasting durability.