Dorman 674-103 Exhaust Manifold - Right

Durable Stainless Steel Exhaust Manifold for Lexus and Toyota

The Dorman 674-103 exhaust manifold is engineered for reliable performance on Lexus Land Cruiser and Toyota LX470 models. Constructed from stainless steel with a natural finish, this exhaust manifold offers durability and corrosion resistance for long-term use.

• Material: Stainless steel for enhanced strength and corrosion resistance
• Color: Natural stainless steel finish
• Port Shape: Round ports designed for optimal exhaust flow
• Mounting Hardware Included: Yes, includes studs and nuts for secure installation
• Gasket Included: Comes with one manifold gasket and one flange gasket
• Package Contents: Exhaust manifold, 1 manifold gasket, 1 flange gasket, 3 studs, and 3 nuts

Product Details and Specifications

This Dorman exhaust manifold (part number 674-103) is specifically designed to fit Lexus Land Cruiser and Toyota LX470 vehicles, ensuring proper fit and function. The stainless steel construction provides resistance to heat and corrosion, which is critical for exhaust components exposed to high temperatures. The round port shape facilitates efficient exhaust gas flow, helping maintain engine performance and emissions standards. Included mounting hardware and gaskets simplify the installation process, reducing the need for additional parts.

Common Applications and Problem Resolution

• Replacement for cracked or damaged exhaust manifolds on Lexus Land Cruiser and Toyota LX470
• Addresses exhaust leaks that cause noise and reduced engine efficiency
• Helps restore proper exhaust flow to improve engine performance
• Prevents corrosion-related failures common in older exhaust manifolds
• Eliminates mounting issues with included hardware for a secure fit

Installation Notes and Tips

When installing the Dorman 674-103 exhaust manifold, ensure all old gasket material is fully removed to prevent leaks. Use the included studs and nuts to secure the manifold, tightening to manufacturer torque specifications. It is recommended to inspect the exhaust ports and surrounding components for damage or wear during installation. Proper installation will help maintain exhaust system integrity and vehicle performance.

Quality Assurance and Warranty Information

Dorman exhaust manifolds are manufactured to meet or exceed OEM standards for fit, form, and function. The 674-103 part is backed by Dorman's quality assurance processes to ensure durability and reliability. Please refer to Dorman's official warranty policy for specific coverage details.