Dorman 577-243 Fuel Tank Filler Neck
Fuel Tank Filler Neck for GM Trucks
This Dorman fuel tank filler neck is a direct replacement for select Chevrolet and GMC full-size trucks. It is precision-engineered and tested to match the original filler neck design for a reliable repair when the fuel filler neck is leaking.
- Brand: Dorman
- Part Number: 577-243
- Material: Steel
- Fill pipe inside diameter: 1.5 in.
- Length: 4.1 in.
- Fuel cap included: No
- Package contents: 1 fuel filler neck
- Compatible with 1988-1991 Chevrolet C1500, N/A
- Compatible with 1988-1991 Chevrolet K1500, N/A
- Compatible with 1988-1991 GMC C1500, N/A
- Compatible with 1988-1991 GMC K1500, N/A
Detailed Product Overview
Dorman 577-243 is built as a replacement fuel tank filler neck for 1988-1991 Chevrolet C1500 and K1500, as well as 1988-1991 GMC C1500 and K1500 applications. The steel construction supports a durable repair path for trucks with a damaged or leaking filler neck, and the OE-style dimensions help match the original fuel system layout. This part cross-references OE-style replacement numbers such as 15567562 and Spectra Premium FN724 for the same application.
Common Problems This Part Can Address
- Fuel leakage at the filler neck
- Corrosion or rust damage on the original steel neck
- Cracked or deteriorated filler pipe sections
- Fuel odor near the tank fill area
- Difficulty maintaining a secure fuel fill connection
Installation Notes and Tips
Verify vehicle fitment by year, make, and model before installation. Compare the original filler neck length, inside diameter, and mounting layout to confirm a proper match for your Chevrolet C1500, GMC K1500, or other listed application. Transfer any vehicle-specific components required by the original setup if applicable, and inspect surrounding fuel system parts for wear or corrosion during service.
Quality Assurance
Dorman tests this replacement filler neck to match the original part for the listed vehicle applications. That validation helps support a consistent repair on 1988-1991 Chevrolet and GMC trucks where the factory filler neck has failed.
Original: $76.61
-65%$76.61
$26.81Dorman 577-243 Fuel Tank Filler Neck
Fuel Tank Filler Neck for GM Trucks
This Dorman fuel tank filler neck is a direct replacement for select Chevrolet and GMC full-size trucks. It is precision-engineered and tested to match the original filler neck design for a reliable repair when the fuel filler neck is leaking.
- Brand: Dorman
- Part Number: 577-243
- Material: Steel
- Fill pipe inside diameter: 1.5 in.
- Length: 4.1 in.
- Fuel cap included: No
- Package contents: 1 fuel filler neck
- Compatible with 1988-1991 Chevrolet C1500, N/A
- Compatible with 1988-1991 Chevrolet K1500, N/A
- Compatible with 1988-1991 GMC C1500, N/A
- Compatible with 1988-1991 GMC K1500, N/A
Detailed Product Overview
Dorman 577-243 is built as a replacement fuel tank filler neck for 1988-1991 Chevrolet C1500 and K1500, as well as 1988-1991 GMC C1500 and K1500 applications. The steel construction supports a durable repair path for trucks with a damaged or leaking filler neck, and the OE-style dimensions help match the original fuel system layout. This part cross-references OE-style replacement numbers such as 15567562 and Spectra Premium FN724 for the same application.
Common Problems This Part Can Address
- Fuel leakage at the filler neck
- Corrosion or rust damage on the original steel neck
- Cracked or deteriorated filler pipe sections
- Fuel odor near the tank fill area
- Difficulty maintaining a secure fuel fill connection
Installation Notes and Tips
Verify vehicle fitment by year, make, and model before installation. Compare the original filler neck length, inside diameter, and mounting layout to confirm a proper match for your Chevrolet C1500, GMC K1500, or other listed application. Transfer any vehicle-specific components required by the original setup if applicable, and inspect surrounding fuel system parts for wear or corrosion during service.
Quality Assurance
Dorman tests this replacement filler neck to match the original part for the listed vehicle applications. That validation helps support a consistent repair on 1988-1991 Chevrolet and GMC trucks where the factory filler neck has failed.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Fuel Tank Filler Neck for GM Trucks
This Dorman fuel tank filler neck is a direct replacement for select Chevrolet and GMC full-size trucks. It is precision-engineered and tested to match the original filler neck design for a reliable repair when the fuel filler neck is leaking.
- Brand: Dorman
- Part Number: 577-243
- Material: Steel
- Fill pipe inside diameter: 1.5 in.
- Length: 4.1 in.
- Fuel cap included: No
- Package contents: 1 fuel filler neck
- Compatible with 1988-1991 Chevrolet C1500, N/A
- Compatible with 1988-1991 Chevrolet K1500, N/A
- Compatible with 1988-1991 GMC C1500, N/A
- Compatible with 1988-1991 GMC K1500, N/A
Detailed Product Overview
Dorman 577-243 is built as a replacement fuel tank filler neck for 1988-1991 Chevrolet C1500 and K1500, as well as 1988-1991 GMC C1500 and K1500 applications. The steel construction supports a durable repair path for trucks with a damaged or leaking filler neck, and the OE-style dimensions help match the original fuel system layout. This part cross-references OE-style replacement numbers such as 15567562 and Spectra Premium FN724 for the same application.
Common Problems This Part Can Address
- Fuel leakage at the filler neck
- Corrosion or rust damage on the original steel neck
- Cracked or deteriorated filler pipe sections
- Fuel odor near the tank fill area
- Difficulty maintaining a secure fuel fill connection
Installation Notes and Tips
Verify vehicle fitment by year, make, and model before installation. Compare the original filler neck length, inside diameter, and mounting layout to confirm a proper match for your Chevrolet C1500, GMC K1500, or other listed application. Transfer any vehicle-specific components required by the original setup if applicable, and inspect surrounding fuel system parts for wear or corrosion during service.
Quality Assurance
Dorman tests this replacement filler neck to match the original part for the listed vehicle applications. That validation helps support a consistent repair on 1988-1991 Chevrolet and GMC trucks where the factory filler neck has failed.
