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SEAL - OIL (Komatsu KO6731-21-4220)

Code: KO6731-21-4220

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Product Details

Aftermarket Replacement For
Komatsu
Warranty
6 months
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Fast Shipping
6 Mo. Warranty
7-Day Returns

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Ships from Whittier, CA
Call: (562) 693-7748Mon-Fri: 7:30 AM - 4 PM

A worn oil seal can allow lubricant leakage, leading to increased friction and potential component damage. This aftermarket replacement part references the Komatsu catalog number KO6731-21-4220. The seal functions to retain oil within a rotating shaft assembly, preventing contamination from entering. A common failure consequence is gradual oil loss, which may result in overheating or premature wear of adjacent parts. During routine service, a seal that appears hardened or cracked should be replaced promptly. Verify the serial number or application, then call (562) 693-7748.

Part number variants: KO6731-21-4220, ko6731-21-4220, KO6731214220, ko6731214220

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