The Earl’s 177101ERL Copper Crush Washer Set ensures dependable, leak-free sealing for high-pressure fuel, oil, and coolant systems. Designed for straight-thread adapter fittings where no O-ring relief is present, these washers deliver consistent compression and sealing integrity in demanding automotive and industrial applications.
Each washer is precision-formed from premium copper for superior durability, heat resistance, and corrosion protection. Easy to install and replace, they provide a reliable sealing interface between fittings and ports. Sold in a convenient pack of ten, these washers are perfect for both initial builds and ongoing maintenance across a wide range of performance plumbing setups.
Features:
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Designed for straight-thread adapter fittings without O-ring relief
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Precision-made from high-quality copper for strength and reliable sealing
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Excellent durability and resistance to heat and corrosion
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Pack of ten washers supports multiple installations or service jobs
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Compatible with a variety of automotive and industrial fittings
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Simple to install, replace, or maintain in performance fluid systems