Insulator Gasket G340f(D) / G390f(D)A / G420f(D)A by GA Spares

The LONCIN Insulator Gasket (SKU LON170430062-T11D) is a genuine replacement insulator gasket designed to sit between the carburettor and the engine on LONCIN G340F(D), G390F(D)A and G420F(D)A engines. This gasket helps create a secure, sealed mating surface and provides thermal insulation at the carburettor mounting point, which supports consistent fuel delivery and smooth running. Manufactured to LONCIN's original specifications, it is a durable, high-quality part that fits directly with no modification required. If you are servicing or rebuilding a 337cc, 389cc or 420cc LONCIN engine, this insulator gasket is the correct replacement for a worn or leaking original.

• Genuine LONCIN insulator gasket made to original equipment specifications
• Provides a sealed, heat-insulating interface between the carburettor and engine
• Direct-fit replacement requiring no modification

• LONCIN G340F(D) 337cc engines
• LONCIN G390F(D)A 389cc engines
• LONCIN G420F(D)A 420cc engines

LONCIN Engine Gaskets – genuine replacement gaskets and sealing components for LONCIN small engines.