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Alright, Opel and Vauxhall drivers!
If your Insignia 2.0D (2008-2017) is taking forever to warm up or your heater's not blowing hot, you might need a thermostat.
This NTY unit is a direct screw-on replacement, and it's a complete assembly.

It opens at 88°C, just like the original.
It's made of copper and plastic, and it's 100% leak-tested, so you can install it with confidence.
Plus, it comes with all the necessary gaskets, seals, and mounting hardware.
No drilling or messing around, just a clean swap.
It replaces a ton of OE numbers, including 55573003, 12647027, and 71749243.
NTY gives it a 1-year warranty, so you're covered.
Keep your Insignia running at the perfect temp.5 out of 5