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Boom Cylinder Seal Kit RG638-67540 for Kubota Excavator KX121‑3 U35‑3 KX123‑3

Boom Cylinder Seal Kit RG638-67540 for Kubota Excavator KX121‑3 U35‑3 KX123‑3

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SKU#: FPCX2603110
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Product Details

Boom Cylinder Seal Kit RG638-67540 for Kubota Excavator KX121‑3 U35‑3 KX123‑3

Replacement Part Number: RG638-67540, RG63867540

Applications:
Fit for Kubota Excavator: KX121‑3, U35‑3, KX123‑3

Product Highlights
Brand: FridayParts
Compatible Engine Brand: For KUBOTA
Engine Number: KX121‑3, KX123‑3, U35‑3
Replacement Part Number: RG638-67540
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Top Reviews

user
Suman Sharma
Reviewed on 03/04/2026
High-Quality Boom Cylinder Seal Kit for Kubota Excavator

The quality of the seals is outstanding. Since installing the new seals, my boom cylinder operates smoothly without any leaks or performance issues. It restored full hydraulic functionality to the excavator, improving overall performance.

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