One New Aftermarket Replacement Muffler Assembly Fits Caterpillar (Fits CAT) 330C / 330D / 336D ExcavatorsThis aftermarket replacement muffler assembly Fits Caterpillar (Fits CAT) 330C, 330D, and 336D series hydraulic excavators, including Mobile Hydraulic Power Unit configurations. The muffler is part of the engine exhaust system and is a direct replacement Fits Caterpillar OEM part number 205-6642 (2056642), used on C9-engine-powered excavators in this series.Specifications Height: 449.58 mm Length: 1054.1 mm Width: 571.5 mm Compatible ModelsFits Caterpillar Excavators: 330C, 330C FM, 330C L, 330C LN, 330C MH, 330D, 330D FM, 330D L, 330D MH, 336D, 336D L, 336D2, 336D2 L, 340D L, 340D2 LFits Caterpillar Mobile Hydraulic Power Units: 330C, 330D L, 336D LFits Caterpillar Wheeled Excavators: M330DReplaces Part Number(s):2056642, 2056642-A, 205-6642, 205-6642-A, 2396488, 2396488-A, 239-6488, 239-6488-A, MUK40-0075New aftermarket replacement part - not remanufactured, not used.