Seal the inner thermal interface of your intake loop with the genuine Honda OEM Insulator Gasket (16212-Z5T-000). This specialized gasket installs directly between the engine cylinder head and the composite carburetor insulator block, containing the intense engine vacuum pulses to ensure crisp, responsive throttle response.

Engine Compatibility

Optimized for updated Honda GX340 and GX390 engine blocks.

OEM Part Number

Replaces part number 16212-Z5T-000.