Description
Product Overview
The Dorman 598-403 EGR valve line is engineered as a direct replacement for the original equipment exhaust gas recirculation (EGR) line. Constructed from high‑temperature resistant materials, it features a ready‑to‑paint exterior that allows easy color matching to your vehicle’s under‑hood components. Measuring 3 x 7.9 x 15.7 inches and weighing only 11.2 ounces, the line fits the center position in the emission system and meets OEM part numbers 2-40084, EGT85, ETB85, and F6TZ9D477E. Its precise dimensions and strict manufacturing tolerances ensure a seamless fit and reliable performance.
Usage
Designed for both professional mechanics and DIY enthusiasts, this EGR line restores proper air‑fuel balance by eliminating deposits that can cause valve malfunction. Install it in any vehicle that uses the specified OEM part numbers, typically found in a wide range of makes and models across the automotive market. Ideal for routine maintenance, emission repairs, and performance upgrades, the line operates effectively in high‑heat engine bays and under demanding driving conditions. 
Why Choose Us
Dorman brings over a century of automotive expertise to every component, and this EGR line is no exception. Backed by a team of U.S.-based product experts, the part undergoes rigorous testing to meet strict quality standards. Its durable construction resists corrosion and heat degradation, providing long‑term reliability. With a 4.9‑star rating from 26 verified customers, you can trust the performance and fit of this replacement part.
Key Features
- Direct OEM fit – matches original equipment specifications for seamless installation.
- Ready‑to‑paint surface – allows custom color matching to blend with engine bay aesthetics.
- Durable, high‑temperature material – withstands harsh under‑hood conditions.
- Improves air‑fuel balance – helps eliminate emissions caused by EGR valve deposits.
- Backed by Dorman’s century‑long automotive experience and U.S. support team.
FAQ
Is this EGR line compatible with my vehicle?
Yes, the Dorman 598-403 is designed to replace OEM part numbers 2-40084, EGT85, ETB85, and F6TZ9D477E. Use the garage tool on our website to confirm fit for your specific make, model, and trim.
Do I need to paint the line after installation?
The line comes with a ready‑to‑paint coating. Painting is optional and recommended only if you want the component to match the surrounding engine parts for a uniform appearance.
What warranty does Dorman provide?
Dorman offers a limited warranty that covers defects in material and workmanship. Refer to the warranty card included with the product for full details.
Can I install this part myself?
Yes, the line is designed for straightforward installation with standard tools. Follow the included instructions or consult a professional if you are unfamiliar with EGR system repairs.
How does this part improve emissions?
By restoring proper EGR valve function, the line helps maintain the correct air‑fuel mixture, reducing excess emissions and improving overall engine efficiency.




Standard Motor Products EGR Valve Gasket Round Machined
Reviews
There are no reviews yet.