7156133 Bobcat Mini Excavator Boom Cylinder - Replacement

Bobcat 7156133 Mini Excavator Boom Cylinder

This aftermarket boom cylinder replaces Bobcat part number 7156133 on a range of earlier compact excavators. The cylinder raises and lowers the boom and is built around the 3-inch bore, 25-inch stroke and 1.75-inch rod used for this replacement application.

Application and Fitment

• Replaces Bobcat Part Number: 7156133
• Compatible Models: 329, 331, 331E, 334, 334G, 430
• Cylinder Function: Excavator boom
• Bore: 3"
• Stroke: 25"
• Rod Diameter: 1.75"
• Construction Detail: Induction-hardened chrome rod with corrosion-resistant aluminum gland

Model fitment should always be checked against the machine serial number and original cylinder. Bobcat has revised hydraulic components over time, so use part number 7156133 as the primary match and contact Union Hydraulics if the machine history is uncertain.