Komatsu 6209-11-5230 Muffler Assembly

The 6209-11-5230 muffler assembly is engineered for the exhaust system of Komatsu hydraulic excavators equipped with the S6D95L series diesel engines. It functions as a critical noise attenuation and exhaust gas routing component, designed to withstand high thermal cycling and vibration loads inherent in heavy construction equipment operation. Constructed from high-temperature carbon steel with internal baffle configuration optimized for backpressure compliance, this unit features a 290 mm outer shell diameter and 650 mm overall length. The inlet flange accepts a 68 mm pipe diameter while the outlet discharges through a 90 mm diameter bend. Direct OEM replacement for Komatsu part numbers 6209-11-5230 and 6209115230.