Caterpillar 369-9491 Muffler Assembly

This exhaust muffler assembly is engineered to attenuate sound produced by engine exhaust gases on Caterpillar 3116 diesel engines. It utilizes sound-absorbing materials and internal baffles to dampen noise levels to OEM specifications. The unit is a direct replacement for Caterpillar part numbers 369-9491 and 109-9323. Primary applications include Caterpillar 322 and 325 series hydraulic excavators, forest machines, and wheeled excavators. Construction features welded steel shell with internal perforated tubes and acoustic packing designed for high-temperature diesel exhaust environments. No mounting hardware or gaskets included; reuse existing OEM hardware.