
Dorman 574-040 Fuel Tank Filler Neck
Fuel Tank Filler Neck for Select GM SUVs
Dorman 574-040 is a steel fuel tank filler neck built for specific Cadillac, Chevrolet, and GMC applications where the original neck has started to leak or deteriorate. It is precision-engineered and tested to match the original filler neck design for a direct repair on select 2007-2014 vehicles.
- Steel construction with a black finish
- Vent line attached with one metal and rubber tube vent
- Twist cap type
- Fill pipe inside diameter: 1.312 in.
- Compatible with gas and flex-fuel applications
- Replacement for the original filler neck on select GM trucks and SUVs
Detailed Product Overview
This fuel filler neck is designed for vehicles that need a replacement due to corrosion, cracking, or fuel seepage at the filler assembly. Dorman 574-040 follows the original shape and mounting layout for the listed applications, helping restore a secure fuel path from the fuel door area to the tank. It cross-references Spectra Premium FN947 and 10390318 for the same application.
Compatible With 2007-2014 Cadillac Escalade ESV, 2007-2014 GMC Yukon XL 1500, 2007-2013 Chevrolet Avalanche, and 2007-2013 Chevrolet Suburban 1500. This part number, 574-040, is a direct-fit replacement for select GM fuel storage repairs where the filler neck has failed.
Common Problems This Part Can Address
- Fuel odor caused by a leaking filler neck
- Visible rust or corrosion on the original steel neck
- Cracks or separation at the vent tube area
- Fuel splash-back during refueling
- Difficulty maintaining a sealed fuel fill path
Installation Notes and Tips
Verify vehicle year, make, model, and fuel system configuration before installation. Transfer any reusable vehicle-specific components as needed, since mounting hardware and fuel cap are not included. Confirm the vent line routing and filler pipe alignment during installation to ensure a proper seal and correct refueling operation.
Quality Assurance
Dorman tests this replacement filler neck to match the original part for the listed applications, supporting a reliable repair on select Cadillac Escalade ESV, Chevrolet Avalanche, Chevrolet Suburban 1500, and GMC Yukon XL 1500 models. Part number 574-040 is engineered for direct replacement use in the specified fitments.
Dorman 574-040 Fuel Tank Filler Neck
Fuel Tank Filler Neck for Select GM SUVs
Dorman 574-040 is a steel fuel tank filler neck built for specific Cadillac, Chevrolet, and GMC applications where the original neck has started to leak or deteriorate. It is precision-engineered and tested to match the original filler neck design for a direct repair on select 2007-2014 vehicles.
- Steel construction with a black finish
- Vent line attached with one metal and rubber tube vent
- Twist cap type
- Fill pipe inside diameter: 1.312 in.
- Compatible with gas and flex-fuel applications
- Replacement for the original filler neck on select GM trucks and SUVs
Detailed Product Overview
This fuel filler neck is designed for vehicles that need a replacement due to corrosion, cracking, or fuel seepage at the filler assembly. Dorman 574-040 follows the original shape and mounting layout for the listed applications, helping restore a secure fuel path from the fuel door area to the tank. It cross-references Spectra Premium FN947 and 10390318 for the same application.
Compatible With 2007-2014 Cadillac Escalade ESV, 2007-2014 GMC Yukon XL 1500, 2007-2013 Chevrolet Avalanche, and 2007-2013 Chevrolet Suburban 1500. This part number, 574-040, is a direct-fit replacement for select GM fuel storage repairs where the filler neck has failed.
Common Problems This Part Can Address
- Fuel odor caused by a leaking filler neck
- Visible rust or corrosion on the original steel neck
- Cracks or separation at the vent tube area
- Fuel splash-back during refueling
- Difficulty maintaining a sealed fuel fill path
Installation Notes and Tips
Verify vehicle year, make, model, and fuel system configuration before installation. Transfer any reusable vehicle-specific components as needed, since mounting hardware and fuel cap are not included. Confirm the vent line routing and filler pipe alignment during installation to ensure a proper seal and correct refueling operation.
Quality Assurance
Dorman tests this replacement filler neck to match the original part for the listed applications, supporting a reliable repair on select Cadillac Escalade ESV, Chevrolet Avalanche, Chevrolet Suburban 1500, and GMC Yukon XL 1500 models. Part number 574-040 is engineered for direct replacement use in the specified fitments.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Fuel Tank Filler Neck for Select GM SUVs
Dorman 574-040 is a steel fuel tank filler neck built for specific Cadillac, Chevrolet, and GMC applications where the original neck has started to leak or deteriorate. It is precision-engineered and tested to match the original filler neck design for a direct repair on select 2007-2014 vehicles.
- Steel construction with a black finish
- Vent line attached with one metal and rubber tube vent
- Twist cap type
- Fill pipe inside diameter: 1.312 in.
- Compatible with gas and flex-fuel applications
- Replacement for the original filler neck on select GM trucks and SUVs
Detailed Product Overview
This fuel filler neck is designed for vehicles that need a replacement due to corrosion, cracking, or fuel seepage at the filler assembly. Dorman 574-040 follows the original shape and mounting layout for the listed applications, helping restore a secure fuel path from the fuel door area to the tank. It cross-references Spectra Premium FN947 and 10390318 for the same application.
Compatible With 2007-2014 Cadillac Escalade ESV, 2007-2014 GMC Yukon XL 1500, 2007-2013 Chevrolet Avalanche, and 2007-2013 Chevrolet Suburban 1500. This part number, 574-040, is a direct-fit replacement for select GM fuel storage repairs where the filler neck has failed.
Common Problems This Part Can Address
- Fuel odor caused by a leaking filler neck
- Visible rust or corrosion on the original steel neck
- Cracks or separation at the vent tube area
- Fuel splash-back during refueling
- Difficulty maintaining a sealed fuel fill path
Installation Notes and Tips
Verify vehicle year, make, model, and fuel system configuration before installation. Transfer any reusable vehicle-specific components as needed, since mounting hardware and fuel cap are not included. Confirm the vent line routing and filler pipe alignment during installation to ensure a proper seal and correct refueling operation.
Quality Assurance
Dorman tests this replacement filler neck to match the original part for the listed applications, supporting a reliable repair on select Cadillac Escalade ESV, Chevrolet Avalanche, Chevrolet Suburban 1500, and GMC Yukon XL 1500 models. Part number 574-040 is engineered for direct replacement use in the specified fitments.












