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Diesel Locking Fuel Caps

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

All Parts

1-5 of 5 Items
Part # Product # Description Type Cam Type Locking Venting Shell Diameter Neck Diameter Cap Depth
31734D 74100090 31734D FUEL CAPS - DIESEL ONLY LOCKING Diesel Only Pre-Release Locking Fuel Cap Quick-On false Prevent/Pressure Vacuum 2.75 in 1.77 in 2.375 in
31778D 74100076 31778D DIESEL ONLY FUEL CAP Diesel Only Locking Fuel Cap Quick-On false Pressure Vacuum 2.91 in 1.77 in 2.61 in
31828D 74100005 31828D DIESEL ONLY FUEL CAP Diesel Only Locking Fuel Cap 1/8 Turn false Pressure Vacuum 2.91 in 1.77 in 2.48 in
31836D 74100074 31836D DIESEL ONLY FUEL CAP Diesel Only Locking Fuel Cap Quick-On false Pressure Vacuum 2.91 in 1.78 in 2.61 in
31842D 74100075 31842D DIESEL ONLY FUEL CAP Diesel Only Locking Fuel Cap Quick-On false Vacuum Only 2.69 in 1.56 in 2.53 in
1-5 of 5 Items

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.