Dorman 904-168 EGR Cooler

Durable Stainless Steel EGR Cooler for Chevrolet and GMC Trucks

The Dorman 904-168 Exhaust Gas Recirculation (EGR) Cooler is engineered specifically for Chevrolet Silverado 2500 HD, Silverado 3500, GMC Sierra 2500 HD, and Sierra 3500 models. Constructed from stainless steel, this EGR cooler offers reliable performance and longevity under demanding conditions.

• Material: High-quality stainless steel for corrosion resistance
• Specific fitment for Chevrolet Silverado 2500 HD, Silverado 3500, GMC Sierra 2500 HD, and Sierra 3500
• Includes 1 EGR cooler, 5 gaskets, 4 hose clamps, and 2 hoses for complete installation
• Overall dimensions: 13" length, 7.5" width, and 4" height
• End 1 and outlet inside port diameter: 0.63 inches
• CARB certified with Executive Order Number D740 for emissions compliance
• Natural stainless steel color with no flange design

Product Details and Specifications

The Dorman 904-168 EGR cooler is designed to cool exhaust gases before they re-enter the engine, reducing nitrogen oxide emissions and improving engine efficiency. Its stainless steel construction ensures durability and resistance to heat and corrosion. The package includes all necessary gaskets, hose clamps, and hoses to facilitate a straightforward replacement process. This part is a specific fit for select Chevrolet and GMC heavy-duty trucks, ensuring proper integration with the vehicle’s emission control system.

Common Applications and Problem Resolution

• Reduces engine overheating caused by faulty or clogged EGR coolers
• Helps prevent exhaust leaks and related engine performance issues
• Addresses increased emissions and failed emissions tests
• Resolves rough idling or engine hesitation linked to EGR system failures
• Mitigates potential damage to the EGR valve and related components

Installation Notes and Tips

Installation of the Dorman 904-168 EGR cooler requires basic mechanical skills and tools. Ensure the engine is cool before beginning work. Use the included gaskets and clamps to secure connections and prevent leaks. Verify all hose connections are tight and free of cracks or damage. It is recommended to inspect the entire EGR system during replacement to maintain optimal performance.

Quality Assurance and Certification

This EGR cooler is California Air Resources Board (CARB) certified, meeting strict emissions standards under Executive Order Number D740. Manufactured by Dorman, a trusted name in automotive replacement parts, the 904-168 model is built to meet or exceed OEM specifications. While no explicit warranty details are provided, Dorman parts typically come with a limited warranty against defects in material and workmanship.