Radiator Necks
Trusted performance even in the toughest conditions
SPA Design Radiator Necks are engineered from high-grade aluminium for strength and reliability. Manufactured to withstand demanding conditions, they provide a durable, lightweight solution for high-performance cooling systems. Each radiator neck is designed with precision to ensure a perfect fit and long-lasting service life.

43mm Radiator Neck
Our 43mm radiator neck is compact yet robust, designed for applications where space is limited but reliability cannot be compromised. The precision-machined aluminium body and carefully matched spout ensure excellent sealing and straightforward installation in a variety of cooling setups.
| Item | Quantity | Material | Thread size |
| Neck (43mm) | 1 | Aluminium-6082 | N/A |
| Spout (6mm) | 1 | Aluminium-6082 | 1/16 – 27 NPT |
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Need more information?
Click on the link below to receive a comprehensive technical data pack.
56mm Radiator Neck
The 56mm radiator neck is engineered for larger capacity systems requiring maximum flow and durability. Its wider diameter offers enhanced cooling performance, while the high-strength aluminium construction provides long-term resistance to heat and vibration in demanding environments.
| Item | Quantity | Material | Thread size |
| Neck (56mm) | 1 | Aluminium-6082 | N/A |
| Spout (10mm) | 1 | Aluminium-6082 | 1/8 – 27 NPT |
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Need more information?
Click on the link below to receive a comprehensive technical data pack.
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