One New Aftermarket Replacement Muffler Fits Caterpillar (Fits CAT) 953C Track-Type Crawler LoaderThis aftermarket replacement muffler assembly (Muffler AS) is Fits Caterpillar 953C track-type crawler loader powered by the 3116 engine. It is a direct bolt-on replacement for the exhaust muffler assembly, redirecting exhaust gases away from the operator and dampening engine combustion noise for a safer and more comfortable work environment. Important: This is the high serial number version -- fits 953C units with serial numbers 2ZN1750 and up. A different muffler (part 222-0458) fits early 953C units up to serial number 2ZN1749.Specifications Length: 33.46 in (84.99 cm) Height: 9.44 in (23.98 cm) Width: 12.99 in (32.99 cm) Compatible ModelsFits Caterpillar Track-Type Crawler Loaders: 953C (Serial Numbers 2ZN1750 and Up -- High Serial Number Only)Fits Caterpillar Engines: 3116Replaces Part Number(s):146-9733, 1469733New aftermarket replacement part - not remanufactured, not used.