8N5385 - MANIFOLD-EXHAUST Fits Caterpillar 8N5384 3Y9985 8N5386 7N2730One New Aftermarket Replacement Exhaust to Turbo Manifold Fits Caterpillar (Fits CAT) Construction Equipment This aftermarket replacement exhaust to turbo manifold Fits Caterpillar equipment powered by the 3306 engine. The exhaust manifold collects and routes exhaust gases from the engine cylinders to the turbocharger inlet, and is a critical component in maintaining proper engine performance and exhaust flow. Worn or cracked manifolds can cause