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Application Aero 400

The Aero 400 tank filler has become the first choice with designers and engineers who have made it the standard in many branches of motor sport as well as other fields of activity. A wide range of accessories allows the cap to be installed in many locations and we can now offer custom flanges in low volumes for this product.


The Aero 400 can be specified with lock (L) or without a lock (S) and includes five standard types, which use different fixing arrangements or materials:


A48S/L - Aluminium flange - Connect direct to tank

A4LT - Plastic centre - To be used with Aero 400 flanges

A48S/L50/L57 - Flange with integral neck - Connect to the tank via a suitable hose

A4S/L - Weld on short neck - Weld direct to tank

There are also various connecting necks available in metal or rubber.


Click below to view the Tech Specs of each type

Aero 300 Range
A48S A49S A4LT A48NS50  
A48L A49L   A48NL50  
A48NS57 A4NS Connecting Necks    
A48NL57 A4NL      
Founded in 1978 we design & manufacture a range of world class
tank filler caps. Our products are exported worldwide and we continue to develop a reputation for outstanding quality and craftmanship.
We are a quality assured company holding the latest ISO 9001
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