Description: The Dewalt 5140043-87 Pressure Washer Oil Seal prevents oil leakage and maintains proper sealing within the pump assembly. This seal is installed around the shaft or internal components inside the pump housing. It works by forming a tight barrier that keeps oil contained while allowing moving parts to rotate without leakage. Proper sealing helps maintain internal lubrication during operation. Replacing a worn or damaged oil seal restores sealing integrity and supports consistent pressure washer performance.
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