Description
Part Number: AF64-0032
Aeroflow Weld-On Billet Radiator Filler Neck 32mm I.D (Raw Finish)
Precision CNC-machined 6061 billet aluminium radiator filler neck designed for custom radiator, header tank, and expansion tank fabrications.
Key Features
- ☑ Billet 6061 Aluminium: CNC-machined construction providing strength and heat resistance.
- ☑ Distortion-Resistant Base: Features a wide-diameter base to minimize warping during TIG welding.
- ☑ Small Cap Fitment: Designed for standard 32mm (small style) radiator pressure caps.
- ☑ Complete Hardware Included: Pre-threaded with 1/16″ NPT port and supplied with a 4mm (5/32″) brass overflow barb fitting.
- ☑ Raw Weldable Finish: Untreated raw aluminum surface ready for direct TIG welding onto custom tanks or radiators.
Technical Specifications
| Brand | AeroFlow Performance |
|---|---|
| Manufacturer Part Number | AF64-0032 |
| Material | 6061-T6 Billet Aluminium |
| Finish | Raw Weldable Finish |
| Internal Diameter (I.D.) | 32mm (Small Cap Style) |
| Overflow Port Thread | 1/16″ NPT |
| Included Barb Size | 4mm (5/32″) Barb Fitting |
| Mounting Type | Weld-On Base |
What’s Included in the Box
- 1 x Aeroflow AF64-0032 Weld-On Billet Radiator Neck (32mm I.D, Raw Finish)
- 1 x 4mm (5/32″) Hose Barb Fitting (1/16″ NPT Thread)
Aeroflow Performance products are engineered to high motorsport standards, delivering reliability and performance for custom vehicle builds. Order your AF64-0032 filler neck today from JP Racing with fast UK stock dispatch and technical advice from our experienced UK team.







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