50mm Locking Diesel Fuel Filler Neck

50mm Locking Diesel Fuel Filler Neck

The 50mm Locking Diesel Fuel Filler Neck provides a secure and professional solution for filling auxiliary diesel tanks. Featuring a heavy-duty 316 stainless steel construction and lockable cap, this filler neck is ideal for external fill headboard diesel tanks, under tray diesel tanks and custom fuel system installations.

Designed for harsh Australian conditions, the lockable cap helps protect against unauthorised access and contamination, while the durable stainless steel body offers excellent resistance to corrosion and vibration. The 50mm hose connection provides high flow refuelling performance, making it ideal for touring vehicles, trade vehicles, trucks and remote travel applications.

Perfect For

• External fill headboard diesel tanks

• Under tray diesel tanks

• Auxiliary fuel systems

• 4WD touring vehicles

• Ute trays and canopies

• Trucks and commercial vehicles

• Trade vehicles

• Remote work vehicles

• Custom diesel tank installations

• Long-range touring setups

Features

• 50mm hose connection

• Suitable for diesel fuel applications

• Lockable cap for added security

• Heavy-duty 316 stainless steel construction

• Corrosion resistant design

• O-ring seal helps prevent dust and moisture ingress

• Smooth and reliable operation

• Includes two keys

• Durable construction for harsh Australian conditions

• Ideal for permanent installations

• Suitable for auxiliary and replacement fuel systems

Secure Refuelling for Auxiliary Diesel Systems

Whether you're fitting an under tray diesel tank or installing an external fill headboard diesel tank, the 50mm Locking Diesel Fuel Filler Neck provides a secure and durable refuelling solution. Designed for long-range touring, trade and remote travel applications, it delivers reliable performance where it matters most.