The Corteco 12012709B is a camshaft shaft seal used within the differential assembly of a vehicle’s drivetrain. This seal prevents oil leaks and contamination from entering the camshaft, ensuring reliable engine performance. It measures 12 x 54 x 54 mm and is manufactured in Indonesia. This component contributes to extended component life, reduced maintenance needs, and optimal drivetrain efficiency. This little rubber seal basically keeps oil in and keeps dirt and debris out around the camshaft. The camshaft itself is up inside the engine, and it needs to be lubricated with oil to keep everything running smoothly. The seal sits where the camshaft comes out of the engine block, preventing oil from leaking and preventing gunk from getting into the engine where it doesn’t belong. It’s a pretty simple part, really, but it plays a vital role. Think of it like a barrier protecting a critical area of your engine. The camshaft controls when the valves open and close—essentially, it’s a big part of how the engine breathes. Since it’s spinning constantly, it needs that oil supply, and the seal makes sure that oil stays where it needs to be. It’s located right up there at the top end of the engine, working alongside the valve cover gaskets and other seals. Well, if this seal fails, you’ll start to see oil leaks. Usually, it's a slow leak at first, but it can get worse over time. You’ll notice if you see oil pooling around the front or side of your engine, or if you smell burning oil. That oil leaking onto other components can damage belts and hoses, and a serious leak can eventually lead to low oil levels which is never good. Replacing this seal proactively is much cheaper than dealing with the consequences of a major oil leak or engine damage. You can find these seals pretty easily online, places like Fixparts Online have a good selection. They’re not terribly difficult to replace for someone with a bit of mechanical skill, but if you’re not comfortable doing it yourself, it’s best to have a mechanic take care of it. Long-lasting quality: Camshaft Shaft Seal (MPN 12012709B) includes a 12-month warranty!

About Corteco

Corteco is a distinguished German brand specializing in sealing solutions and filters for the automotive industry. Hailing from Germany, Corteco delivers precision-engineered components that enhance vehicle performance.

Why Choose Corteco?

• Corteco parts are made to the same high standards as original equipment, so you get reliable performance. • We offer a wide range of parts, covering everything from engine and transmission seals to suspension and cooling components. • Corteco parts are a smart value – you get quality without paying a premium price. • Our parts are tested to withstand tough conditions, giving you peace of mind and long-lasting durability. Corteco delivers excellence, FixParts Online delivers to your door.