
Copper Sealing Washer 1428A050
OEM reference 1428A050
The copper sealing washer 1428A050 is a flat annular fitting used in various fluid and pressure connections across the engine and transmission.
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This component deforms slightly under torque to create a leak tight seal between mating metal surfaces, preventing fluid or gas loss. It is routinely replaced during standard maintenance or whenever a bolted connection is disassembled to ensure a secure reassembly.
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