MAN 33779655312 Heater Line

Description

The MAN heater line is a critical component of a vehicle's HVAC system, responsible for circulating warm coolant from the engine to the heater core. This allows the vehicle's heating system to effectively warm the cabin. This part is manufactured by MAN with MPN 33779655312 and originates from Germany. Its dimensions are 123 x 275 x 355 mm. This heater line is designed for efficient heat transfer and long-lasting durability, ensuring consistent and reliable heating performance.

Key Features & Benefits

This part’s job is pretty straightforward – it carries hot engine coolant to your heater core. The heater core is basically a small radiator inside your dashboard. The coolant warms it up, and then the blower motor blows air across it to give you heat inside the car. It's a simple system, really, but relies on these lines being solid. It’s part of your vehicle’s heating system, obviously. Coolant circulates from the engine, through the heater line, into the heater core, and then back to the engine. It’s a closed loop. These lines connect everything together. You’ll typically have a supply line bringing the hot coolant to the heater core and a return line bringing the cooled coolant back to the engine.

Symptoms, Risks & Replacements

Well, if one of these lines fails, you’ll quickly realize it. You’ll notice if you suddenly lose heat in your car, especially on a cold day. A leaking heater line can also spray hot coolant, which is a serious issue and could cause burns. Sometimes a small leak might just create a sweet smell inside the car. They’re rubber or plastic, so they degrade over time from the heat and coolant, and can crack or burst. Honestly, it’s a relatively inexpensive part to replace, and doing it proactively can save you a lot of trouble. You can find heater lines pretty easily at places like Fixparts Online, and replacing them isn’t usually too difficult if you’re comfortable with basic car repairs.

Warranty Information

MAN Heater Line (MPN 33779655312) comes with a 1-year warranty.