One New Aftermarket Replacement Muffler Fits Caterpillar (Fits CAT) 320C Series Excavators and D6M DozerThis aftermarket replacement exhaust muffler Fits Caterpillar (Fits CAT) 320C series hydraulic excavators and the D6M dozer, all equipped with the 3066 engine. It installs in the air inlet and exhaust system to reduce engine noise and manage exhaust flow, keeping your machine running within normal operating parameters.Specifications Body Diameter/Width: 283.2 mm Body Length: 645 mm Inlet ID: 66 mm Outlet OD: 94 mm Overall Length: 645 mm Engine: Fits Caterpillar 3066 Compatible ModelsFits Caterpillar (Fits CAT) Excavators: 320C, 320C FM, 320CL, 320CLN, 320CLU, 320CS, 320CU, E318C, E319C, E320C, E321C, 318C, 318C L, 318C LN, 319C, 319C LN, 320C L, 320C LN, 320C SFits Caterpillar (Fits CAT) Dozers: D6MReplaces Part Number(s):2128506, 2666252, 266-6252, CA2666252New aftermarket replacement part - not remanufactured, not used.
