The Diesel Exhaust Fluid Manifold Header Joint connects and seals the interface between the DEF manifold and header assembly to maintain a secure fluid pathway. It prevents diesel exhaust fluid from leaking at the connection point, helping maintain proper dosing and system efficiency. It supports consistent fluid flow between connected components, allowing accurate delivery within the emission control system.Attributes:• Assists in accurate fluid delivery for emission control.• Helps avoid fluid loss that can affect dosing performance.• Supports stable emission system functionality.Applications: The Diesel Exhaust Fluid Manifold Header Joint is located at the connection point between the DEF manifold and header assembly, where it seals the interface to prevent leaks and maintain controlled diesel exhaust fluid flow.