MOCA Thermostat Housing Kit For 2003-2007 Isuzu Ascender GMC Buick 4.2L – OE Spec

If your 4.2L engine’s running hot or leaking coolant, swap in this MOCA thermostat housing.

It’s a direct fit for 2003-2007 Isuzu Ascender, GMC Envoy, and Buick models with the 4.2L.

Brand new, OE spec, and made from metal—not plastic junk.

Replaces part numbers like 12572988, 12602913, and 12567750.

Comes with a 1-year warranty.

Single part, front mount.

Easy install to get your cooling system back in line.