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RING - BACK-UP (Komatsu KO1902-65165)

Code: KO1902-65165

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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

KO1902-65165: A damaged back-up ring can allow seal extrusion under high pressure. This aftermarket replacement part references Komatsu as the OE maker and cross-references part number KO1902-65165. The ring type provides a mechanical barrier that supports the primary seal in a groove. When the ring fails, the seal may extrude into the clearance gap, leading to leakage and reduced system pressure. During a seal replacement, the back-up ring should be inspected for deformation or cracking. Verify the serial number or application, then call (562) 693-7748.

Part number variants: KO1902-65165, ko1902-65165, KO190265165, ko190265165

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