8J2037 REPLACEMENT PISTON ASSEMBLY Fits CAT REPLACEMENT PISTON ASSY Fits CAT
8J2037 REPLACEMENT PISTON ASSEMBLY Fits CAT REPLACEMENT PISTON ASSY Fits CAT
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One New Aftermarket Replacement Hydraulic Piston Fits Caterpillar (Fits CAT) Equipment
This aftermarket replacement piston is a precision internal component of Fits Caterpillar (Fits CAT) hydraulic axial piston pump rotary groups. It seats within the pump barrel assembly and is a critical wear part in the hydraulic pump's rotating group, directly affecting pump efficiency and output pressure. Replacement of worn pistons restores proper hydraulic system performance.
Compatible Pump Assembly Components
- Used with Barrel: 9J-3522
- Used with Valve Plate: 1U-3444
- Used with Retainer Plate: 3G-4061, 9T-7859, 4T-7022
- Used with Thrust Plate: 1U-0406
- Used with Shaft: 3G-2331
- Seal Kit: 3G-1707
Compatible Models
Fits Caterpillar: Fits Caterpillar Fits CAT equipment utilizing this hydraulic piston pump rotary group configuration. Specific machine model fitment not confirmed in available data -- verify compatibility using your machine serial number and pump assembly number before ordering.
Replaces Part Number(s):
8J2037, 8J-2037
Aftermarket Interchange Numbers
Supersedes / cross-references: 8J-6853, 4T-7025, 1U-4748
New aftermarket replacement part - not remanufactured, not used.
