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The Exergy 9th-injector plug with O-ring seals the ninth injector port on LML Duramax engines. Supplied with an O-ring, this plug provides a sealed closure for the extra injector opening when it’s not used or during service, simplifying diagnostics or rail modifications while matching the LML rail’s port form. It’s intended for sealing unused ports during maintenance or temporary rail work.
Exergy LML Stainless 9th Injector Plug w/O-Ring
