The PORC Off Road Products fuel filler neck is designed as a direct replacement for 1978–1986 Jeep CJ5, CJ7, and CJ8 models. This component installs at the fuel tank inlet and connects to the fuel filler hose, accepting a 1-1/8 inch inner diameter hose for proper compatibility. Manufactured to align with factory specifications, it provides consistent fitment and straightforward installation. Ideal for replacing corroded or damaged filler necks, this component helps maintain proper fuel system connection. Replaces OE reference 5364760 and interchange part number 17743.01.