Dorman 904-494 EGR Cooler - Lower

Durable Stainless Steel EGR Cooler for BMW X5

The Dorman 904-494 Exhaust Gas Recirculation (EGR) Cooler is designed specifically for the BMW X5, providing reliable emission control performance. Constructed from stainless steel with flanged ends, this EGR cooler ensures efficient cooling of exhaust gases to reduce emissions and maintain engine efficiency.

• Made from corrosion-resistant stainless steel in a silver finish
• Flanged connections on both ends for secure mounting
• Specific fitment for BMW X5 models
• Overall dimensions: 10 inches length, 6 inches height, and 5 inches width
• Includes one EGR cooler and one gasket (gasket required but not included)
• CARB certified for compliance with California emission standards
• End 1 port diameter: 0.92 inches; outlet inside diameter: 1.5 inches
• Mounting hole diameter: 0.33 inches with 2 mount holes on End 1 flange

Product Details and Specifications

The Dorman 904-494 EGR cooler is engineered to meet the exact specifications required for the BMW X5, ensuring a precise and secure fit. Its stainless steel construction offers durability and resistance to high temperatures and corrosion commonly experienced in exhaust systems. Both ends feature flanged connections, with End 1 having two mounting holes to facilitate installation. The unit measures 10 inches in length, 6 inches in height, and 5 inches in width, making it compact yet effective in cooling exhaust gases before they re-enter the intake manifold.

Purpose and Common Issues Addressed

• Reduces nitrogen oxide (NOx) emissions by cooling exhaust gases
• Prevents engine overheating caused by inefficient EGR cooling
• Resolves rough idling or poor engine performance linked to faulty EGR coolers
• Helps maintain compliance with emission regulations, including CARB standards
• Mitigates potential engine damage from excessive exhaust gas temperatures

Installation Notes and Tips

Installation of the Dorman 904-494 EGR cooler requires removal of the old cooler and proper sealing with a compatible gasket (not included). Ensure all mounting surfaces are clean and free of debris before installation. The flanged ends simplify alignment and mounting, but torque specifications should be followed according to BMW service guidelines. It is recommended to inspect related EGR components during replacement to ensure overall system integrity.

Quality Assurance and Certification

This EGR cooler is CARB certified, meeting stringent California Air Resources Board emission standards. Manufactured by Dorman, a reputable supplier of automotive replacement parts, the 904-494 model is built to provide consistent performance and durability. While no specific warranty information is provided, Dorman parts typically adhere to industry quality standards for fit and function.