Diesel Fuel Caps

Gates Diesel Fuel Caps feature a diesel green cover to match fuel nozzle handles and provide OE quality fit and performance to the aftermarket.

  • "Diesel Fuel Only" 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

All Parts

1-5 of 5 Items
Part # Product # Description Type Cam Type Locking Venting Shell Diameter Neck Diameter Cap Depth
31615D 74100089 31615D FUEL CAPS - DIESEL ONLY Diesel Only Pre-Release Fuel Cap Quick-On false Prevent/Pressure Vacuum 2.81 in 1.77 in 2.14 in
31830D 74100084 31830D FUEL CAPS - DIESEL ONLY Diesel Only Fuel Cap 1/8 Turn false Pressure Vacuum 2.91 in 1.67 in 2.375 in
31835D 74100083 31835D FUEL CAPS - DIESEL ONLY Diesel Only Fuel Cap Quick-On false Pressure Vacuum 2.89 in 1.77 in 2.14 in
31838D 74100085 31838D FUEL CAPS - DIESEL ONLY Diesel Only Fuel Cap Quick-On false Pressure Vacuum 2.78 in 1.78 in 2.41 in
31841D 74100086 31841D FUEL CAPS - DIESEL ONLY Diesel Only Fuel Cap Quick-On false Vacuum Only 2.75 in 1.56 in 1.91 in
1-5 of 5 Items

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. OEM-caliber fuel caps are rich in features that keep the fuel system operating properly and safely. The Green color reminds motorists that the vehicle is only compatible with diesel fuel. Gates Diesel Fuel Caps offer a durable construction of a wear-resistant thermoplastic compound to ensure tight closing and to avoid spills and leaks.

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.