4N6640 Muffler A Fits Caterpillar

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One New Aftermarket Replacement Muffler Fits Caterpillar (Fits CAT) Dozer and Track LoaderThis muffler is an exhaust system component Fits Caterpillar (Fits CAT) track-type tractor s and track loaders. It replaces the OEM Fits Caterpillar part number 4N6640 and is compatible with multiple D3 and 931C series machines.SpecificationsWeight: 37.80 lbsCompatible ModelsFits Caterpillar Track-Type Tractors (Dozers): D3B, D3B LGP, D3C, D3C II, D3C II LGP, D3C LGPFits Caterpillar Track Loaders: 931C, 931C LGP, 931C II LGPReplaces Part Number(s):4N6640, 4N6640-ANew aftermarket replacement part - not remanufactured, not used. Show more