Dorman 598-400 EGR Line

Durable Stainless Steel EGR Line for Toyota Vehicles

The Dorman 598-400 Exhaust Gas Recirculation (EGR) Line is designed to provide reliable emission control for select Toyota models. Engineered from stainless steel, this EGR tube ensures long-lasting performance and resistance to corrosion in demanding engine environments.

• Constructed from corrosion-resistant stainless steel for durability
• Measures 18.5 inches in length for precise fitment
• Threaded end type for secure connection
• Inside and outside diameter of 0.75 inches for consistent flow
• Includes two connectors and one hose/line for streamlined installation
• Compatible with Toyota 4Runner, T100, and Tacoma models

Product Details and Specifications

The Dorman 598-400 EGR line is a single stainless steel tube measuring 18.5 inches in length, designed to maintain proper exhaust gas recirculation in Toyota 4Runner, T100, and Tacoma vehicles. Both the inside and outside diameters are 0.75 inches, ensuring a precise fit and optimal flow of exhaust gases. The threaded end type provides a secure and leak-resistant connection to the vehicle’s emission system. This part includes two connectors but does not come with mounting hardware, so ensure existing hardware is in good condition or replaced as needed.

Compatible Vehicles and Common Applications

This EGR line is specifically compatible with the following Toyota models:

• Toyota 4Runner
• Toyota T100
• Toyota Tacoma

It is used to address issues such as:

• Excessive exhaust emissions due to faulty or damaged EGR lines
• Engine performance problems related to improper exhaust gas recirculation
• Check engine light triggered by EGR system faults
• Corrosion or leaks in the existing EGR tubing
• Failed emissions tests caused by EGR system malfunctions

Installation Notes and Tips

When installing the Dorman 598-400 EGR line, verify that the threaded connections are clean and free of debris to ensure a tight seal. Since mounting hardware is not included, inspect existing clamps and brackets for wear and replace if necessary. Proper torque specifications should be followed to avoid damage to the tube or connectors. It is recommended to inspect the entire EGR system during installation to identify any additional worn components.

Quality Assurance and Warranty Information

Dorman manufactures this EGR line to meet or exceed OEM standards for fit, form, and function. The stainless steel construction provides enhanced corrosion resistance for extended service life. While specific warranty details are not provided here, Dorman typically offers limited warranties on their emission control components. Refer to official Dorman documentation for exact warranty terms.