Dorman 911-693 EGR Valve

Overview of Dorman 911-693 EGR Valve for Chevrolet and GMC

The Dorman 911-693 Exhaust Gas Recirculation (EGR) Valve is an electronically operated component designed for select Chevrolet and GMC trucks and vans. This bolt-on EGR valve features an electrical operation type with a blade terminal, ensuring precise control of exhaust gas recirculation to help reduce emissions.

• Electronically operated EGR valve with electrical operation type
• Blade terminal type with 5 terminals and 1 oval-shaped connector
• Bolt-on mounting type for straightforward installation
• Includes exhaust port; no vacuum ports
• Compatible with Chevrolet and GMC models including C2500, K2500 Suburban, Express 3500, and Savana 3500

Detailed Product Description

The Dorman 911-693 EGR valve is engineered to meet the emission control requirements of various Chevrolet and GMC heavy-duty trucks and vans. Its electronically operated design allows for accurate modulation of exhaust gases back into the intake manifold, reducing nitrogen oxide emissions and improving engine efficiency. The valve features a blade terminal type with five terminals and a single oval-shaped connector, facilitating reliable electrical connections. This EGR valve mounts securely using a bolt-on method, though mounting hardware and gaskets or seals are not included. The absence of vacuum ports indicates it operates solely through electronic control, compatible with vehicles equipped with electronic EGR systems.

Compatible Vehicles and Applications

This Dorman EGR valve is compatible with a range of Chevrolet and GMC models, including:

• Chevrolet C2500 and C2500 Suburban
• Chevrolet C3500 and Express 3500
• GMC K2500 and K2500 Suburban
• GMC K3500, G30, P30, P3500, and Savana 3500

Common Issues Addressed by the Dorman 911-693 EGR Valve

• Engine rough idling or stalling due to faulty EGR operation
• Increased emissions or failed emissions tests
• Check engine light triggered by EGR system faults
• Reduced fuel efficiency caused by improper exhaust gas recirculation
• Engine knocking or pinging related to EGR valve malfunction

Installation Notes and Tips

Installation of the Dorman 911-693 EGR valve requires removal of the old valve and bolt-on mounting of the new unit. Since mounting hardware and gaskets are not included, ensure you have the necessary bolts and a compatible gasket or seal before beginning installation. The electrical connector features a single oval-shaped plug with five terminals; verify proper connection to avoid electrical faults. It is recommended to inspect the EGR passages for carbon buildup and clean as necessary during installation to maintain optimal performance.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications for fit, form, and function. While specific warranty details for part number 911-693 should be confirmed at the time of purchase, Dorman typically offers limited warranties covering defects in material and workmanship. This EGR valve is designed to provide reliable operation within the emission control system of compatible Chevrolet and GMC vehicles.