Gates 31621 OE Equivalent Fuel Tank Cap Fits select: 1977-1978 FORD F150, 1977-1978 FORD F250

OE Equivalent Fuel Caps feature rugged, heavy-duty construction. Meets or exceeds OEM specifications. Caps fit both shallow & deep cam filler necks - vented, non-vented & vented anti-surge.

Fuel Caps are zinc-plated and dichromate dipped for superior corrosion resistance. Some models are made from rugged plastic EEC Fuel Caps meet OEM specifications & Federal and State Emission Requirements Two-way action pressure relief/vacuum relief valve allows fuel tank to “breathe” while preventing the escape of fuel fumes Fits Select: 1977-1978 FORD F150 8 Cyl 5.8 L 1978 FORD F250 8 Cyl 6.6 L 1977-1978 FORD F100 8 Cyl 5 L 1977 FORD F250 8 Cyl 5.8 L 1977-1978 FORD F350 8 Cyl 6.6 L and more - add your vehicle to our fit widget to check