The product images shown are Illustrative only and may not be an exact representation of the product.

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 Neck Diameter (in) Cap Depth
74100076 31778D DIESEL ONLY FUEL CAP Diesel Only Locking Fuel Cap Quick-On false Pressure Vacuum 1.77 mm 2.61 in
74100005 31828D DIESEL ONLY FUEL CAP Diesel Only Locking Fuel Cap 1/8 Turn false Pressure Vacuum 1.77 mm 2.48 in
74100075 31842D DIESEL ONLY FUEL CAP Diesel Only Locking Fuel Cap Quick-On false Vacuum Only 1.56 mm 2.53 in
74100090 31734D FUEL CAPS - DIESEL ONLY LOCKING Diesel Only Pre-Release Locking Fuel Cap Quick-On false Prevent/Pressure Vacuum 1.77 mm 2.375 in
74100074 31836D DIESEL ONLY FUEL CAP Diesel Only Locking Fuel Cap Quick-On false Pressure Vacuum 1.78 mm 2.61 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, vandalism, or accidental incorrect fluid fills.