Boom Cylinder Gp 3891041

Boom Cylinder Gp, SKU 3891041, is a hydraulic boom cylinder assembly for Caterpillar excavators. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).

The part is identified for use in the boom hydraulic system of the Caterpillar machine models listed below. The product name and reference data identify the component as a complete boom cylinder group rather than as an individual piston, barrel, seal, or other internal cylinder component.

Fitment

The 3891041 boom cylinder group is listed for the following Caterpillar excavator models and machine series:

• Caterpillar 345C
• Caterpillar 345C L
• Caterpillar 345D
• Caterpillar 345D L
• Caterpillar 345D L VG
• Caterpillar 349D
• Caterpillar 349D L
• Caterpillar 349D2
• Caterpillar 349D2 L

Fitment should be checked against the machine model designation and the identification number of the installed cylinder before ordering. The model list above is limited to the Caterpillar applications provided for SKU 3891041.

Cross-reference numbers

The following numbers are associated with this boom cylinder group:

• 3891041
• 389-1041
• CA3891041

These references may appear in parts catalogs, equipment records, or supplier listings with or without the hyphen. The number 3891041 is the SKU used for this product, while 389-1041 and CA3891041 are additional listed references for the same part identification.

Specifications

The source data provides two weight values: 868 lb (393 kg) and 983.5 lb. They are retained as separate listed values because no designation is provided to identify whether one refers to the component and the other to packaging or another measurement basis. Length, width, and depth are shown exactly as supplied; the available data does not specify whether these dimensions describe the cylinder assembly or its packaging.