Jaguar 420 / Daimler Sovereign (1966–1969) Aluminium Header Tank – Uprated to OEM Specification

Vehicle Compatibility

Suitable for the following models:

• Jaguar 420 (1966–1969)

• Daimler Sovereign (1966–1969)

Product Details

High-quality uprated aluminium header tank designed to OEM specification for the Jaguar 420 and Daimler Sovereign. This upgraded version replicates the original tank’s dimensions and fittings while offering improved durability and heat resistance through precision aluminium construction.

Key Features:

• Direct replacement for the original steel header tank

• Manufactured in lightweight, corrosion-resistant aluminium

• Uprated to OEM specification for improved longevity

• Precision TIG-welded for strength and authenticity

• Ideal for restorations and performance builds

Condition & Availability

Condition: New aluminium aftermarket part Availability: Made to Order – please allow a lead time of 14 working days before dispatch.

Warranty & Support

Supplied with a full 12-month warranty. Our team can assist with fitment confirmation or installation guidance for your Jaguar or Daimler model.

Delivery Information

• UK Shipping: Fast courier delivery with tracking included (after production lead time).

• International Shipping: Available on request — contact us if your country is not listed.

• Import Taxes & Duties: Buyers are responsible for any VAT or customs charges required by their country.

Compatibility & Fitment Help

Not sure if this header tank fits your Jaguar 420 or Daimler Sovereign? Provide your vehicle details and we’ll confirm before purchase.

Custom Requests

Looking for bespoke aluminium components or matching radiators? Contact us to discuss tailored cooling solutions for your classic Jaguar or Daimler.