09370-00100 U-Packing Fits Komatsu Models
09370-00100 U-Packing Fits Komatsu Models
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One New Aftermarket Replacement U-Packing for Komatsu Excavators
This U-packing is a hydraulic sealing component used in the track adjuster (idler tension) cylinder on Komatsu excavators. The 09370- prefix series in Komatsu's part numbering system designates U-packings specifically for idler cylinders, making this a precision-fit seal for track tensioning systems that maintain proper undercarriage tension and protect idlers from shock loads. Replace worn or leaking U-packings promptly to prevent track adjuster cylinder failure and uneven track wear.
Specifications
- Type: Metric NBR U-Packing (idler cylinder application)
- Dimensions: 75mm x 100mm x 18mm (per aftermarket interchange data)
- Material: NBR (nitrile rubber)
Compatible Models
Komatsu Excavators: PC300HD-7E0, PC400-8
Note: This U-packing is used in the track adjuster/idler tension cylinder assembly. Verify your machine's cylinder bore size before ordering to confirm fitment.
Replaces Part Number(s):
09370-00100
Aftermarket Interchange Numbers
KOM-09370-00100, PUS-70NBR-75x100x18
New aftermarket replacement part - not remanufactured, not used.



