SKP SK904168 Exhaust Gas Recirculation (EGR) Cooler

SKP SK904168 EGR Cooler Overview

The SKP SK904168 is an exhaust gas recirculation (EGR) cooler for emission control service on select GM heavy-duty diesel applications. It is a direct-fit replacement for 2004-2005 Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500, GMC Sierra 2500 HD, and GMC Sierra 3500 models.

This part cross-references Dorman - OE Solutions 904-168 for the same application.

Key Features

• Exhaust Gas Recirculation (EGR) cooler for emission control repair
• Fits 2004-2005 Chevrolet Silverado 2500 HD, N/A
• Fits 2004-2005 Chevrolet Silverado 3500, N/A
• Fits 2004-2005 GMC Sierra 2500 HD, N/A
• Fits 2004-2005 GMC Sierra 3500, N/A
• SKP part number SK904168 for catalog and service matching

Detailed Description

The SKP SK904168 EGR cooler is built for vehicles that route exhaust gas back through the intake system to reduce emissions and manage combustion temperatures. For owners and technicians servicing a Chevrolet Silverado 2500 HD, Chevrolet Silverado 3500, GMC Sierra 2500 HD, or GMC Sierra 3500 from 2004-2005, this replacement part supports proper EGR system operation and helps restore emission-control function when the original cooler is worn or damaged. Use SK904168 when matching the application by year, make, and model.

Common Repair Symptoms

• EGR system fault codes related to cooler performance
• Coolant loss associated with EGR cooler failure
• Exhaust gas flow issues in the EGR circuit
• Rough running or drivability concerns tied to emission control faults
• Visible leakage or damage at the cooler assembly

Installation Notes and Tips

Confirm the vehicle year, make, and model before ordering. Compare the original cooler and connector locations to verify application match for SK904168. Inspect related EGR components, coolant passages, and sealing surfaces during service so the replacement can be installed on a clean, properly prepared system.

Quality Assurance

SKP replacement parts are cataloged for direct application matching, and this EGR cooler is listed with OE-style interchange coverage for the same vehicle use.