Here is an update on the conectors for the fuel filter as far as the price:

Dorman Fuel Lines DOR-800-121 Dorman Fuel Line Connectors, Retainers & Repair Kit For 3/8 hose and line 1 $9.99 $9.99

Dorman Fuel Lines DOR-800-120 Dorman Fuel Line Connectors, Retainers & Repair Kit For 5/16 hose and line 1 $9.99 $9.99

Dorman Fuel Lines DOR-800-155 Dorman Fuel Line Connectors, Retainers & Repair Kit 12"x3/8 1 $12.99 $12.99