SKU:12-0596
Seal internal oil passages on Harley-Davidson FL engine cases from 1948 to 1957 with the Motorshop 3/8 Inch Welch Plug—an authentic factory part designed to provide a permanent seal when properly installed.
Ideal for restoration or maintenance projects of vintage Harley-Davidson FL motorcycles, this plug helps maintain engine integrity and longevity by preventing oil leaks in critical passages.
Engine case 3/8 inch Welch plug for early cases features a raw finish.The Motorshop 3/8 Inch Welch Plug is a reliable component designed to seal internal oil passages on Harley-Davidson FL engine cases from 1948 to 1957. Manufactured in the USA since 1909, these plugs provide a permanent seal when properly installed, ensuring optimal engine performance and preventing oil leaks. The Welch plug is expanded using a dull punch, creating a tight fit that is not reusable after installation, so it is essential to check the outer diameter before fitting. This component is an authentic part used by Harley-Davidson factory technicians for decades, making it an excellent choice for restoration or repair projects. The plug's durable construction and precise sizing help maintain the integrity of your vintage Harley engine, contributing to its longevity and reliable operation. Compatible with several model years, this plug is an essential accessory for enthusiasts and mechanics dedicated to authentic restoration and maintenance of classic Harley-Davidson FL motorcycles.
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