Integral Head Lower Thermostat Housing For Chevy Inline 6 4.1L 250 – Aluminum With Gaskets – 12bolt.com

Working on a classic Chevy with the inline 6 4.1L (250) engine?

This integral head lower thermostat housing from 12bolt.com is exactly what you need.

It's made from aluminum, so it's lighter and more corrosion-resistant than the old cast iron ones.

Brand new in the original packaging, and it even includes the gaskets, so you've got everything in one box.

The part number is Integral Iron lower w gask, and it's designed as a direct replacement for the factory piece.

Whether you're restoring a truck or just fixing a leak, this housing will get your cooling system back in shape.

Solid build quality, no messing around with universal parts—it's made to fit.