The 38mm size is specifically designed to provide a snug and effective seal for various engine applications, offering reliable protection against leaks and helping maintain optimal performance. Whether you're engaged in an engine rebuild or addressing cooling system maintenance, the Protorque 38mm Brass Cup Welch Plug is a trusted choice to get the job done.

Upgrade your engine's reliability with the Protorque Welch Plug – the brass construction ensures resilience, making it a key component for maintaining the integrity of your engine.

Part number: RBC38MM