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Is your Audi, VW, Seat, or Skoda leaking coolant from the dreaded plastic flange on the side of the engine?

This is the fix.

It's an Aspart thermostat housing, also known as a coolant flange, that replaces a bunch of common failing OEM parts like 038121121D, 06A121121C, and others.

It's a brand new, high-quality aftermarket part made in Türkiye, not some cheap no-name brand.

It opens at 88 degrees Celsius and comes with a solid 24-month warranty.

Don't mess with a leaking, brittle plastic part; swap in this new one and get your cooling system tight again.

Perfect for a weekend DIY job.



4.5 out of 5