View All Flex Fuel Locking Fuel Caps


Product # 74100261

Gates® Locking Flex Fuel caps feature yellow plastic covers and an E85 designation on them to remind vehicle operators that they have the option to use gasoline or E-85 Ethanol in their vehicles. A durable locking mechanism prevents tampering and fuel theft. The OE-quality product line covers virtually all flex fuel vehicles on the road today.

  • High visibility yellow cover; "E85" is printed on the cap
  • Helps prevent fuel contamination
  • Pressure and vacuum reliefs match OE specifications
  • Includes unique OE safety features like the break-away groove
  • Each cap comes with 2 keys; keyed-alike caps available on special order
  • Compatible with a wide range of flex fuel vehicles: Chevrolet, Chrysler, Dodge, Ford, GMC, Mercury, Plymouth
  • Product Details
    Part # 31842Y
    Product # 74100261
    Description 31842Y YELLOW LOCKING FUEL CAP
    UPC 770075308096
    Type Flex Fuel Regular Locking Fuel Caps
    Cam Type Quick-On
    Locking false
    Venting Vacuum Only
    Shell Diameter 2.69 in
    Neck Diameter 1.56 in
    Cap Depth 2.53 in
  • Construction
    Color Yellow
  • Packaging details
    Customer Pack 1
    Weight (lbs.) 0.25
  • Fits models

OE Quality for the Aftermarket

Our long-standing partnerships working with automotive OEMs on production vehicles enable us to produce aftermarket parts of superior quality, durability, and performance. Gates® Flex Fuel Caps offer a durable construction of wear-resistant thermoplastic compound to ensure tight closing and prevent spills and leaks. Our OEM-caliber fuel caps are rich in features that keep the fuel system operating properly and safely. Our OEM-caliber fuel caps are rich in features that keep the fuel system operating properly and safely. The Yellow color and E85 designation reminds motorists of the option to use gasoline or E85 ethanol in their vehicles. Features a locking mechanism to prevent theft, vanadalism, or accidental incorrect fluid fills.

Optimum fuel pressure

Fuel caps can have two different breathing systems: vented or non-vented. A non-vented fuel cap is recommended when your fuel tank is ventilated through the filler neck, whereas the vented fuel cap is equipped with a special breathing valve so that it can be used on non-ventilated fuel tanks.