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523-4987 Excavator Oil Release Valve Switch for E320GC E330GC E336GC E345GC

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October 24, 2026
Keyword: Excavator Filter
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Tags:
#Fuel Water Separator #Engine Oil Filter Base #Air Conditioner Filter
Video Description:
Learn how the 523-4987 oil release valve switch works on E320GC, E330GC, E336GC, and E345GC excavators. This video demonstrates the step-by-step removal and replacement of the fuel water separator drain switch, shows how to drain accumulated water and sediment safely, and explains the sealing ring and corrosion-resistant design. Ideal for maintenance teams and parts buyers who want a clear, practical walkthrough of this direct-fit service part.
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