1003401 Shaft Pump Fits Caterpillar Models

One New Aftermarket Replacement Shaft Pump for Caterpillar (Cat) Construction Equipment

This aftermarket replacement shaft pump replaces Caterpillar (Cat) OEM part number 1003401 (also referenced as 100-3401). The shaft pump is a precision-fit internal component of the hydraulic pump assembly, responsible for transferring rotational drive force within the pump to generate hydraulic flow. Keeping this component in proper working condition is essential for reliable hydraulic system performance on Cat heavy equipment.

Specifications

• Weight: 5.7 lbs
• Dimensions: 1.97 x 1.97 x 12.4 in

Compatible Models

Caterpillar (Cat): Fits Caterpillar construction equipment - please verify fitment using your machine model number and serial number before ordering, as this shaft pump application spans multiple Cat equipment platforms.

Replaces Part Number(s):

1003401, 100-3401

New aftermarket replacement part - not remanufactured, not used.