Route fuel cleanly from the fill point to the tank with the Dorman - OE Solutions Fuel Tank Filler Neck 577-078, a direct-fit replacement for a corroded or leaking original. This steel filler neck installs on the 2003-2005 Hyundai Sonata (L4-2.4L, V6-2.7L) and the 2003-2004 Kia Optima (L4-2.4L, V6-2.7L).
- Direct replacement: engineered and tested to match the original filler neck on the listed applications for a reliable repair.
- Steel construction: built from corrosion-resistant material to reduce the potential for future failure.
- Regulatory compliant: made to meet emission and inspection standards.
- Key specs: about 1.12 in outside diameter and 26.7 in length.
If a rusted, cracked, or leaking filler neck is the cause of a fuel smell or a failed evaporative-emissions inspection, this replaces it. The fuel cap is not included, so transfer your existing cap or order one separately. Package contains one fuel filler neck. Country of origin: Taiwan.
Interchange: 3103038150 · FN712
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What vehicles does this fuel filler neck fit?
It is a direct-fit replacement for the 2003-2005 Hyundai Sonata (L4-2.4L, V6-2.7L) and the 2003-2004 Kia Optima (L4-2.4L, V6-2.7L). See the Buyer's Guide tab to confirm your vehicle.
Is a fuel cap included?
No. The fuel cap is not included, so transfer your existing cap or purchase one separately.
What is it made of?
It is made of steel using corrosion-resistant material to help reduce the potential for future failure.
What are the dimensions?
The filler neck has an outside diameter of about 1.12 in and a length of about 26.7 in.
What interchange numbers does it cross to?
It cross-references to 3103038150 and FN712.
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