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1/2-14 NPTF Pencil Zinc and Plug Assembly
Detroit Diesel

This pencil zinc and plug assembly is a vital part of the engine’s electrical and fluid management systems, designed with precision to connect various components securely. The brass and zinc construction ensures corrosion resistance and durability, essential for withstand the harsh conditions typical of heavy-duty engine environments. With a length of approximately 84.21 mm and a 1/2-14 NPTF thread size, it provides a reliable seal and connection point for sensors, gauges, or fluid lines. Proper installation of this assembly is crucial to prevent leaks and electrical faults, which can lead to engine inefficiencies or failures. Its robust design offers longevity, reducing the frequency of replacements and maintenance. For trusted quality and compatibility, sourcing this part through Source One Parts Center ensures you receive a genuine component that supports optimal engine performance and operational safety in demanding trucking applications.