07000-12020 Seal O Ring Fits Komatsu Models
07000-12020 Seal O Ring Fits Komatsu Models
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One New Aftermarket Replacement O-Ring Seal for Komatsu Construction Equipment
This aftermarket replacement O-ring (07000-12020) is a hydraulic sealing component used throughout Komatsu construction machinery. It is found in hydraulic cylinders, pumps, valves, and proportional pressure control (PPC) valve assemblies, providing leak-free sealing under high-pressure operating conditions. The ring delivers strong resistance to oil, abrasion, and temperature extremes common in demanding construction environments.
Compatible Models
Komatsu Excavators: PC45MR, PC88MR, PC220, PC220LC-8, PC240, PC290, PC300, PC350
Komatsu Dozers: D31EX, D39EX, D39PX
Komatsu Mobile Crushers/Screeners: BR100JG-2, BR200S-1, BR200T-1, BR300S-1, BR350JG-1, BR380JG-1, BR480RG-1, BR500JG-1, BR550JG-1
Komatsu Compactors: BZ210-1
Note: This O-ring appears across many Komatsu machine families and assemblies. Verify part number 07000-12020 in your machine's parts manual before ordering.
Replaces Part Number(s):
07000-12020, 0700012020
Aftermarket Interchange Numbers
07000-E2020
New aftermarket replacement part - not remanufactured, not used.



