View All Diesel Locking Fuel Caps


Product # 74100076

Heavy Duty versions of our innovative, durable fuel caps are available to fit all industrial and diesel engine applications.

  • Product Details
    Part # 31778D
    Product # 74100076
    Description 31778D DIESEL ONLY FUEL CAP
    UPC 770075503118
    Type Diesel Only Locking Fuel Cap
    Cam Type Quick-On
    Locking false
    Venting Pressure Vacuum
    Shell Diameter 2.91 in
    Neck Diameter 1.77 in
    Cap Depth 2.61 in
  • Construction
    Color Green
  • Packaging details
    Customer Pack 1
    Weight (lbs.) 0.4
  • Fits models

OE Quality for the Aftermarket

OEM-caliber fuel caps are rich in features that keep the fuel system operating properly and safely. Green color reminds motorists that the vehicle is only compatible with diesel fuel. Features a locking mechanism to prevent theft, vanadalism, or accidental incorrect fluid fills.