Short Reach Stainless Filler Necks

Short Reach Radiator Filler Neck 

This short reach radiator filler neck is manufactured from Grade 304 pressed stainless steel and is designed to suit short reach radiator pressure caps commonly used on classic, kit car, motorsport, and custom cooling systems.

The filler neck features a 56 mm outer diameter cap seating area with a 20 mm internal depth, making it compatible with standard short reach radiator caps. An 8 mm overflow spigot is supplied loose and must be welded into position prior to installation.

Supplied as a bare filler neck, this product is intended for professional installation into fabricated or repaired radiators and header tanks.

Key Features

• Short reach radiator filler neck design
• Manufactured from Grade 304 stainless steel
• Pressed steel construction
• Suitable for welding into radiators or header tanks
• Compatible with short reach radiator pressure caps
• Ideal for classic, motorsport, kit car, and custom builds

Technical Specifications

Fitment Notes

• Fits short reach radiator pressure caps only
• Overflow spigot must be welded in place before use
• Image shown is for size illustration only
• Colour and finish may vary slightly from images

What’s Included

• 1 × Short reach radiator filler neck (304 stainless steel)
• Overflow spigot supplied loose (not welded)

Ideal Applications

• Classic vehicles
• Motorsport and racing radiators
• Kit cars
• Custom cooling systems
• Fabricated Stainless steel radiators

supplied in the UK by Complete Radiator Supplies.