1806646 Gasket Fits Caterpillar Models
1806646 Gasket Fits Caterpillar Models
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One New Aftermarket Replacement Gasket for Caterpillar (Cat) Construction Equipment
This aftermarket replacement gasket (OEM part number 180-6646 / 1806646) is a precision sealing component used across a wide range of Caterpillar heavy equipment and industrial engine applications. It is engineered to provide a reliable seal under the heat and pressure demands typical of Cat 3408E and 3412E engine-powered machines, including off-highway trucks, motor graders, compactors, excavators, cold planers, and large earthmoving equipment.
Compatible Models
Caterpillar Engines - Industrial / Machine: 3408E, 3412E, 3412, C30, C32
Caterpillar Excavators: 5110B
Caterpillar Motor Graders: 24H
Caterpillar Off-Highway Trucks: 69D, 769C, 769D, 771C, 771D, 773B, 773D, 773E, 775B, 775D, 775E
Caterpillar Scrapers: 631D, 631E, 631G, 633E II, 637E, 637G, 651E, 657E
Caterpillar Large Wheel Loaders / Mining: 834B, 836, 844, 988B, 988F II, 990, 990 II, 992C
Caterpillar Cold Planers: PM-565, PM-565B
Caterpillar Track-Type Tractors: D10N
Caterpillar Marine Products: C30, C32
Replaces Part Number(s):
1806646, 180-6646
New aftermarket replacement part - not remanufactured, not used.



