380206OEM Exhaust Manifold Seal for Caterpillar 3406E/C15 Series Engines application

It creates a tight sealing surface between the exhaust manifold connection points to help prevent exhaust gas leaks. A good seal helps reduce noise, soot buildup, and heat escaping into the engine bay. It also supports consistent turbo and engine performance by keeping exhaust flow where it belongs.

This part is commonly used as a Caterpillar C15 exhaust manifold seal for 3406E/C15 series applications when the part number and engine arrangement match. Always verify fitment by cross-checking the PAI 380206OEM exhaust manifold seal number with your engine’s serial number or OEM reference. Confirming compatibility up front helps avoid leaks at the manifold slip joint area.

Replace it if you notice ticking noises on startup, visible soot streaks near the manifold joints, or the smell of exhaust in the engine compartment. A leaking exhaust manifold gasket seal can also contribute to higher under-hood temperatures and reduce efficiency. It’s best to inspect seals whenever the manifold is removed or hardware is being serviced.