Gates 31830Y Flex Fuel Fuel Tank Cap Fits select: 1999-2002 FORD F150, 2002-2004 FORD EXPLORER

Flex Fuel caps feature yellow plastic covers and an E85 designation on them to remind motorists that they have the option to use gasoline or E-85 Ethanol in their vehicles.

The product line covers virtually all flex fuel vehicles made by Chevrolet, Chrysler, Dodge, Ford, GMC, Mercury and Plymouth Includes all vacuum & vent pressure relief features as used by OE Two-way action pressure relief/vacuum relief valve allows fuel tank to “breathe” while preventing the escape of fuel fumes