2168323 Piston As Fits Caterpillar Models

One New Aftermarket Replacement Piston Assembly for Caterpillar (Cat) 3056E Industrial Diesel Engine

This aftermarket replacement Piston Assembly (Piston As) fits the Caterpillar 3056E six-cylinder turbocharged industrial diesel engine. The 3056E engine is used across a wide range of Caterpillar construction and industrial equipment. Six pistons are required per engine. Note: This piston assembly does not include the piston ring set. Ring set 2171573 (217-1573) must be ordered separately.

Specifications

• Engine: Caterpillar 3056E (6-cylinder turbocharged)
• Bore: 3.937 in / 100.00 mm
• Stroke: 5.00 in / 127.00 mm
• Compression Ratio: 17.25:1
• Quantity per engine: 6
• Weight: approx. 4.1 lbs

Engine Serial Number Applicability

Early production (CPT1-843): Engine arrangement numbers 1763165, 1763166, 1791797, 1885096, 1885097, 1885098, 2062745, 2071121, 2071166, 2542236, 2639665, 2959745, 2974053, 2974054, 3020524, 3020525

Late production (CPT844-UP): Engine arrangement numbers 1763165, 1763166, 1791797, 1885096, 1885097, 1885098, 2062745, 2071121, 2071166, 2542236, 2639665, 2959745, 2974053, 2974054, 3020524, 3020525

Also fits engines with serial number prefixes: 1ML (1ML1-UP), 7MS (7MS1-UP, 7MS2099-UP).

Verify your engine serial number before ordering to confirm fitment.

Compatible Engine

Caterpillar 3056E industrial diesel engine -- used in Caterpillar medium construction and industrial equipment powered by the 3056E engine.

Replaces Part Number(s):

2168323, 216-8323

New aftermarket replacement part - not remanufactured, not used.