Dorman 911-428 EGR Valve

Dorman 911-428 EGR Valve Overview

Dorman 911-428 is an exhaust gas recirculation valve built to match the fit and function of the original valve on specified vehicles. It uses quality materials for dependable operation and durability in emission control service.

Compatible With 1987-1995 Chevrolet and GMC trucks, vans, and SUVs, including Chevrolet C1500, K2500, Blazer, and GMC Jimmy applications, this EGR valve is a direct-fit replacement for vacuum-operated systems.

Key Features

• Exhaust Gas Recirculation (EGR) valve with poppet-style design
• Vacuum-operated function with electrical operation type listed in product data
• Bolt-on mounting with 2 mounting holes
• Includes gasket or seal for installation
• Negative backpressure configuration
• Exhaust port included
• Vacuum port quantity: 1; vacuum port size: 0.19 in
• Cross-references Delphi EG10099 and Standard Ignition EGV627 for the same application

Detailed Description

This Dorman EGR valve, part number 911-428, is engineered as a replacement for original equipment units on a wide range of 1987-1995 Chevrolet and GMC applications. It is designed for vacuum-operated EGR systems and uses a poppet valve layout with a bolt-on mount, making it a practical service part for emission control repair. The included gasket helps support a proper seal at the mounting surface.

Fits 1995 Chevrolet C1500, N/A; Fits 1991-1995 Chevrolet C1500, N/A; Fits 1988 Chevrolet C1500, N/A; Fits 1995 Chevrolet C2500, N/A; Fits 1991-1995 Chevrolet C2500, N/A; Fits 1988 Chevrolet C2500, N/A; Fits 1995 Chevrolet K1500, N/A; Fits 1991-1995 Chevrolet K1500, N/A; Fits 1988 Chevrolet K1500, N/A; Fits 1995 Chevrolet K2500, N/A; Fits 1991-1995 Chevrolet K2500, N/A; Fits 1988 Chevrolet K2500, N/A; Fits 1995 GMC C1500, N/A; Fits 1991-1995 GMC C1500, N/A; Fits 1988 GMC C1500, N/A; Fits 1995 GMC C2500, N/A; Fits 1991-1995 GMC C2500, N/A; Fits 1988 GMC C2500, N/A; Fits 1995 GMC K1500, N/A; Fits 1991-1995 GMC K1500, N/A; Fits 1988 GMC K1500, N/A; Fits 1995 GMC K2500, N/A; Fits 1991-1995 GMC K2500, N/A; Fits 1988 GMC K2500, N/A; Fits 1989-1994 Chevrolet G10, N/A; Fits 1989-1994 Chevrolet G20, N/A; Fits 1989-1994 GMC G1500, N/A; Fits 1989-1994 GMC G2500, N/A; Fits 1992-1993 Chevrolet C1500 Suburban, N/A; Fits 1992-1993 Chevrolet C2500 Suburban, N/A; Fits 1992-1993 Chevrolet K1500 Suburban, N/A; Fits 1992-1993 Chevrolet K2500 Suburban, N/A; Fits 1992-1993 GMC C1500 Suburban, N/A; Fits 1992-1993 GMC C2500 Suburban, N/A; Fits 1992-1993 GMC K1500 Suburban, N/A; Fits 1992-1993 GMC K2500 Suburban, N/A; Fits 1987-1991 Chevrolet Blazer, N/A; Fits 1989-1991 Chevrolet R1500 Suburban, N/A; Fits 1989-1991 Chevrolet V1500 Suburban, N/A; Fits 1987-1991 GMC Jimmy, N/A; Fits 1989-1991 GMC R1500 Suburban, N/A; Fits 1989-1991 GMC V1500 Suburban, N/A; Fits 1990 Chevrolet C1500, N/A, w/Federal Emissions; Fits 1990 Chevrolet C2500, N/A, w/Federal Emissions; Fits 1990 Chevrolet G10, N/A, w/Federal Emissions; Fits 1990 Chevrolet G20, N/A, w/Federal Emissions; Fits 1990 Chevrolet K1500, N/A, w/Federal Emissions; Fits 1990 Chevrolet K2500, N/A, w/Federal Emissions; Fits 1990 GMC C1500, N/A, w/Federal Emissions; Fits 1990 GMC C2500, N/A, w/Federal Emissions; Fits 1990 GMC G1500, N/A, w/Federal Emissions; Fits 1990 GMC G2500, N/A, w/Federal Emissions; Fits 1990 GMC K1500, N/A, w/Federal Emissions; Fits 1990 GMC K2500, N/A, w/Federal Emissions; Fits 1987-1988 Chevrolet R20, N/A; Fits 1987-1988 Chevrolet R20 Suburban, N/A; Fits 1987-1988 Chevrolet V10 Suburban, N/A; Fits 1987-1988 Chevrolet V20 Suburban, N/A; Fits 1987-1988 GMC R2500, N/A; Fits 1987-1988 GMC R2500 Suburban, N/A; Fits 1987-1988 GMC V2500 Suburban, N/A; Fits 1987 Chevrolet R10, N/A; Fits 1987 Chevrolet V10, N/A; Fits 1987 Chevrolet V20, N/A; Fits 1987 GMC R1500, N/A; Fits 1987 GMC V1500, N/A; Fits 1987 GMC V2500, N/A.

Common Problems This Part Can Address

• EGR valve sticking or failing to open and close properly
• Emission-related drivability concerns on vacuum-operated systems
• Rough idle or hesitation caused by EGR flow issues
• Check engine light concerns tied to EGR valve performance
• Vacuum leak concerns at the EGR mounting point

Installation Notes and Tips

Verify the vehicle uses a vacuum-operated, negative backpressure EGR setup before installation. Confirm the mounting pattern, vacuum port size, and exhaust port alignment against the original valve. The gasket is included; mounting hardware is not listed in the product data, so reuse or source hardware as needed based on the vehicle.

Quality Assurance

Dorman designs this EGR valve to match original fit and function on specified applications and uses quality materials for reliable service. Part number 911-428 is built for direct replacement use in emission control repair.