1646556LK Liner Kit Fits Caterpillar Models
1646556LK Liner Kit Fits Caterpillar Models
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One New Aftermarket Replacement Liner Kit for Caterpillar 3126 Engines
This aftermarket liner kit is designed for the Caterpillar (Cat) 3126 engine, a turbocharged 7.2L inline 6-cylinder diesel used across a wide range of Caterpillar construction equipment, trucks, and industrial machines. The liner kit provides the cylinder liner and associated components needed to restore proper compression and sealing during engine overhaul or cylinder repair. Confirm your specific engine serial number and configuration before ordering, as liner kits are specific to the engine model and cylinder configuration.
Compatible Engines
Caterpillar (Cat) 3126 Series: 3126, 3126B - equipment powered by the Caterpillar 3126 two-piece piston engine configuration
Replaces Part Number(s):
1646556LK
New aftermarket replacement part - not remanufactured, not used.



