83.77903-6866 MAN HEATER

This thing is basically a small radiator, but instead of cooling engine coolant, it heats the air that comes into your cabin. Hot coolant from your engine circulates through it, and a fan blows air across the fins, giving you warm air for heat. It's a heat exchanger, taking the warmth from the engine and putting it where you need it. It’s a key part of your vehicle’s HVAC system—that’s heating, ventilation, and air conditioning. The heater core specifically handles the “heating” part. Coolant flows from the engine, through the heater core, and then back to the engine. The air from your blower motor passes over the core, and that’s what warms up your car when it's cold outside. Well, if it fails, you’ll quickly realize how important it is. You’ll notice if you suddenly have no heat, or only cool air blowing, even when the engine is warmed up. Sometimes, a failing heater core can leak coolant into the passenger compartment, which you’ll smell – it has a sweet, almost sickly smell. That’s a serious issue, and you'll definitely know it. It’s not just comfort, though. No heat in winter can cause defogging problems, impacting visibility. It acts like a shield against condensation on your windshield. A replacement heater core isn’t super fun to install—it often means taking a good chunk of the dashboard apart—but it's something you want to get fixed sooner rather than later. We carry a good selection here, and you can also find them online at Fixparts Online if you’re looking for options. Guaranteed satisfaction: Heater Core (MPN 83779036866) includes a 12-month warranty!

About MAN

MAN Truck & Bus is a leading provider of commercial vehicles, specializing in trucks, buses, and industrial engines.

Why Choose MAN?

• MAN auto parts are built to last, using high-quality materials so you don’t have to replace them often. • We have a huge selection of parts for many different vehicles, making it easy to find what you need. • Our parts are designed to meet or beat the original equipment standards, ensuring a perfect fit and reliable performance. • We offer competitive prices and fast shipping, so you can get your vehicle back on the road quickly and affordably. Drive with confidence – choose MAN parts at FixParts Online.