1646556PK Piston Kit Fits Caterpillar Models
1646556PK Piston Kit Fits Caterpillar Models
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One New Aftermarket Replacement Piston Kit for Caterpillar (Cat) 3126 Engine
This aftermarket replacement piston kit fits the Caterpillar (Cat) 3126 engine and is designed for use in 2-valve engine configurations equipped with the two-piece (articulated) piston design. The 3126 is a 7.2L inline six-cylinder diesel engine used across a wide range of marine, industrial, and construction applications. Verify your engine serial number prefix before ordering, as piston type and kit configuration on the Cat 3126 are serial number specific.
Compatible Models
Caterpillar (Cat) 3126 Marine Engine: Serial prefixes 8NM, 6SR, 6MK, 4EZ, 1ZJ (all 00001-UP)
Caterpillar (Cat) 3126 Industrial/Construction Engine: Confirm serial number and 2-valve / two-piece piston configuration before ordering. This kit is for 2-valve engines with the two-piece articulated piston design.
Replaces Part Number(s):
1646556PK, 1646556, 164-6556, CA1646556
Aftermarket Interchange Numbers
RS1646556 (ring set), 1335043, 133-5043, PK1646556
New aftermarket replacement part - not remanufactured, not used.
