Cast automotive exhaust manifold with four aligned ports, strong flanges, and controlled flow passages for engine systems.
Tousin manufactures automotive exhaust manifolds with integrated runners and accurately machined flange surfaces. Alloy selection and inspection support heat resistance and dependable engine assembly.
Tousin provides OEM material selection, precision casting, CNC machining, surface treatment, and inspection according to customer drawings and application requirements.
Name | Cast Automotive Exhaust Manifold |
Place of Origin | Shandong, China |
Brand Name | Tousin |
Material | Heat-resistant stainless and alloy steel |
Application | Automotive exhaust systems |
Surface treatment | Polishing, shot blasting, painting, or as required |
Process | Precision casting + CNC machining + surface treatment |
Service | OEM customized |
Certification | ISO9001 / IATF16949 / BV / DNV / PED |
Dimensions | Customized sizes |
Quality Control | 100% inspection |
Review the component drawing, material specification and service conditions before selecting the manufacturing process. Identify critical dimensions, machined surfaces, threads, sealing faces and assembly interfaces on the drawing.
Confirm dimensional inspection, material documentation and any pressure or other functional testing required for this component. Packaging and delivery requirements are agreed with the order.



Dongying Tousin produces cast automotive exhaust manifold with controlled wall thickness, accurate mounting points, and consistent internal passages. Flexible materials and machining options support water, chemical, and industrial pump assemblies.
From tooling review to final inspection, our team manages casting, machining, surface treatment, and dimensional checks. OEM sizes and finishes are available for dependable pump housing production with practical lead times.