DT Spare Parts 6.21205 Flywheel D2: 430 mm, 153 teeth 
This part essentially seals the end of your engine’s crankshaft, right where the flywheel bolts on. It’s a pretty robust piece, usually cast iron or aluminum. It keeps the oil in and the nasty stuff out of your engine’s internals. It provides a mounting surface for the flywheel, making sure everything lines up correctly, and it also helps dampen vibrations. It’s a pretty crucial piece in the whole power delivery system.
Think of it like the back end cap on your engine. Everything’s happening at the front with combustion and all that, but the power leaves through the flywheel and this housing. It connects the engine’s rotational force to the transmission, ultimately getting the wheels turning. It’s a bridge between the engine’s power and the rest of the drive train.
It’s important because if this thing fails, things get messy, fast. A cracked or damaged housing can leak oil, and that’s never good for an engine. You’ll notice if it’s leaking, of course, but sometimes a failing housing can cause pretty serious vibrations – almost like a shaking you can feel in the car. It acts like a shield, protecting those really delicate internal parts from dirt, debris, and just the general wear and tear. If it goes bad, you can end up with major engine damage that’s a lot more expensive to fix than just replacing the housing itself. A lot of people find what they need at places like Fixparts Online, but you can get them pretty easily from most auto parts suppliers. It’s one of those things you don’t really think about until it goes wrong, but it's a key part of keeping everything running smoothly.
Our promise to you: Flywheel Housing (MPN 6.21205) comes with a 12-month warranty!
About DT
DT is a reputable German brand specializing in high-quality spare parts for commercial vehicles. Based in Germany, DT provides reliable components that support the durability and performance of automotive fleets.
Why Choose DT?
• We have a huge selection of parts, so you’re likely to find what you need, fast.
• Our parts are high quality and built to last, saving you money in the long run.
• We offer fast, reliable shipping right to your door.
• Our customer service team is friendly and knowledgeable – we're here to help!
DT – trusted quality, available at FixParts Online!