247-8868 Hydraulic Cylinder Seal Kit for CAT 320DL Boom Cylinder Repair | 2478868
$59.99
CAT 320DL boom cylinder leaking or losing pressure? This 247-8868 seal kit replaces OEM 247-8868 / 2478868. PU, Viton, and NBR seals are made for pressure spikes, heat, and grit, and the profiles seat in the OEM cylinder grooves. Before ordering, check the machine model, cylinder part number, and serial number—320DL alone may not be enough.
If your CAT 320DL boom cylinder is weeping oil, losing pressure, or pulling dirt past the rod, this 247-8868 seal kit is the one to match to the repair. It replaces OEM reference 247-8868 / 2478868 and is built for the pressure spikes, heat, and grit that boom cylinders see every shift.
The kit uses PU, Viton, and NBR seals. PU handles the main sealing lips and movement; Viton stands up to heat; NBR covers oil resistance and flexibility. Profiles are made to fit the OEM cylinder grooves, so the seals seat as they should and the cylinder can go back to work.
Fitment:
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Caterpillar / CAT 320DL boom cylinder
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OEM reference: 247-8868 / 2478868
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Type: hydraulic cylinder seal kit / boom cylinder repair kit
Before ordering:
Check the machine model, cylinder part number, and serial number. Cylinders get swapped or rebuilt over time, so model alone is not always enough.
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