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Black & Decker 90553493 O-Ring For KD975 / KD985 / KD990 Rotary Hammer
Description:
Black & Decker O-Ring (Part No. 90553493)
The Black & Decker 90553493 O-Ring is a genuine OEM sealing component designed to maintain proper compression, prevent air leakage, and ensure smooth pneumatic function inside your rotary hammer. Built to Black & Decker’s durability standards, this high-quality O-ring helps restore full hammering efficiency and extends tool life by maintaining an optimal internal seal.
This part is essential during routine servicing, piston rebuilds, or repairs where air compression or impact performance has been reduced.
Key Benefits:
Genuine Black & Decker OEM sealing ring for perfect fit and long-lasting performance
Maintains internal air pressure and sealing integrity
Restores hammering power lost due to worn or damaged seals
Resistant to oil, heat, and vibration
Ideal for maintenance, rebuilds, and restoring tool efficiency