1234612PK Piston Kit Fits Caterpillar Models
1234612PK Piston Kit Fits Caterpillar Models
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One New Aftermarket Replacement Piston Kit for Caterpillar (Cat) 3412 / 3406C Engines
This aftermarket replacement piston kit is designed for use in Caterpillar (Cat) diesel engines. The piston crown measures 136.887mm in diameter and is a direct replacement for OEM part number 123-4612. Piston kits for these engines typically include the piston crown, piston pin, and retaining clips, providing the key components needed for a reliable engine rebuild or overhaul. These engines are used across a wide range of Caterpillar construction equipment, marine power units, and engine-generator sets.
Specifications
- Piston Crown Diameter: 136.887mm
- Kit Contents: Piston crown, pin, and retaining clips
- Engine Type: Diesel
Compatible Models
Caterpillar Engine Applications: 3412, 3412C, 3406C
Additional Applications: Caterpillar Marine Products, Engine-Generator Sets (verify engine serial number before ordering)
Replaces Part Number(s):
123-4612, 1234612
Aftermarket Interchange Numbers
163-0930
New aftermarket replacement part - not remanufactured, not used.



