Dorman 598-204 EGR Line

Durable Stainless Steel EGR Line for GM Trucks and SUVs

The Dorman 598-204 Exhaust Gas Recirculation (EGR) Line is engineered to meet the emission control needs of select Cadillac, Chevrolet, and GMC vehicles. Designed with stainless steel construction and aluminum ends, this 27-inch EGR tube ensures reliable performance and corrosion resistance for your vehicle's emission system.

• Constructed from corrosion-resistant stainless steel for long-lasting durability
• 27-inch length with 1-inch inside and outside diameter for precise fitment
• Aluminum end fittings provide secure and leak-free connections
• Includes two connectors and supports two hoses/lines for proper EGR flow
• Compatible with multiple GM models including Silverado, Sierra, Yukon, Escalade, and more

Product Details and Specifications

The Dorman 598-204 EGR line is a direct replacement part designed to maintain the integrity of the exhaust gas recirculation system. Its stainless steel tubing resists rust and heat damage, which is critical for emission control components exposed to high temperatures. The aluminum ends are precision-formed to ensure a tight seal and proper connection to the vehicle’s EGR valve and intake manifold. Measuring 27 inches in length with a consistent 1-inch diameter inside and out, this EGR tube supports efficient exhaust gas flow and helps reduce nitrogen oxide emissions.

Compatible Vehicles and Applications

This EGR line is compatible with a range of GM trucks and SUVs, including:

• Cadillac Escalade, Escalade EXT
• Chevrolet Avalanche 1500, Silverado 1500/2500/3500, Suburban 1500/2500, Tahoe
• GMC Sierra 1500/2500/3500, Yukon, Yukon XL 1500/2500
• Chevrolet Express 2500/3500 and GMC Savana 2500/3500

Using the correct EGR line like the Dorman 598-204 ensures proper emission control system function and compliance with environmental standards.

Common Issues Addressed by the EGR Line Replacement

• Cracked or corroded EGR tubes causing exhaust leaks
• Reduced engine performance due to faulty exhaust gas recirculation
• Check engine light triggered by EGR system malfunctions
• Increased emissions and failed emissions testing
• Unusual engine noises or rough idling related to EGR system failure

Installation Notes and Tips

Installation of the Dorman 598-204 EGR line requires basic mechanical skills and tools. Ensure the engine is cool before beginning work. Remove the old EGR tube carefully to avoid damaging surrounding components. Verify that the aluminum ends seat properly and tighten connections to manufacturer torque specifications. Note that mounting hardware is not included, so retain or replace any necessary bolts or clamps during installation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 598-204 EGR line undergoes rigorous quality checks to ensure durability and performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Consult product documentation for exact warranty terms.