Description: This thermostat housing is a perfect fit for your 2002 - 2004 GMC 2500/3500 with a 6.6L Duramax engine. Upgrade to our PPE Stainless Steel thermostat housing cover for reliable and consistent cooling. It won't add rust and contaminants to your cooling system. Made of cast 304 stainless steel, it's rust - resistant with a chrome or stainless finish. It's a direct bolt - on replacement, adding high - quality style to your engine bay. Part Number: 119000530

Using this thermostat housing is easy. Just remove your old housing and bolt this one on in its place. It's a direct fit, so you don't need any special tools. When installing, make sure the seals are properly aligned to prevent any coolant leaks. As for maintenance, check the housing periodically for any signs of damage or corrosion. Since it's rust - resistant, you won't have to worry about rust as much as with other materials. If you notice any coolant leaks or a drop in cooling performance, have it checked right away. Also, keep the engine bay clean to ensure the housing functions at its best.