1006551 Housing Flywheel Fits Caterpillar Models

One New Aftermarket Replacement Flywheel Housing for Caterpillar (Cat) 3114, 3116, 3126, and 3126B Engines

This aftermarket flywheel housing replaces Caterpillar (Cat) OEM part number 1006551 (also formatted as 100-6551). The flywheel housing is a structural engine component that encloses and supports the flywheel assembly at the rear of the engine block, providing the mounting interface between the engine and the transmission or drivetrain. It fits a wide range of Cat equipment powered by the 3114, 3116, 3126, 3126B, 3126E, and C7 engine families.

Compatible Models

Caterpillar Pipelayers: 561M, 561N

Caterpillar Track-Type Tractors: D5M, D5N, D6M, D6N

Caterpillar Track-Type Loaders: 953C, 963C

Caterpillar Wheel-Type Loaders: 938F, 938G, 938G II, 950F, 950F II, 950G, 950G II, 950H, 960F, 962G, 962G II, 962H

Caterpillar Integrated Toolcarriers: IT28F, IT38F, IT38G, IT38G II, IT62G, IT62G II, IT62H

Caterpillar Motor Graders: 12K, 120K, 120K 2, 140K, 140K 2, 160K

Caterpillar Forest Products: 533, 543, TK370, TK371, TK380, TK381

Caterpillar Engines - Industrial: 3114, 3116, 3126, 3126B, C7

Caterpillar Engines - Truck: 3116, 3126, 3126B, 3126E

Caterpillar Petroleum Products: C7

Replaces Part Number(s):

1006551, 100-6551

New aftermarket replacement part - not remanufactured, not used.