The misfuelling prevention device

The Diesel Head – stop petrol in diesel

The original “fit and forget” misfuel prevention device.

Misfuelling prevention device - no petrol in diesel

Diesel Head Misfuelling Prevention Device

Once the Diesel Head Misfuel Prevention Device is easily and securely fitted to your fuel tank inlet, you can forget about running the risk of misfuelling – pumping petrol in diesel vehicle’s tank.

No risk of petrol in diesel.

The unique diameter of the diesel pump nozzle is the key to accessing your fuel tank because only a diesel pump nozzle has the width to activate and open the Diesel Head mechanism, protecting your fuel integrity.  Simply click on the link below to add this msfuelling prevention device to the cart.  Diesel Head – stop petrol in diesel.


Diesel Head, Non-Locking Version