The thermostat is an OEM item from Jaguar and identical to the one used by Aston Martin. Same product, lower price!
The thermostat seal is an OEM item from Aston Martin. Redpants highly recommends replacing the thermostat seal with a new one when changing the thermostat.
Doing the job yourself? Check out the Redpants DIY Guide for step-by-step instructions!
This product is kept in stock at Redpants in the USA.