F5TC F6TC F7TC Spark Plug Multi Heat Range for General Gas Engines

In general gasoline power equipment, the spark plug is the core component that ignites the in-cylinder mixture and ensures stable engine start and operation. Built for general gasoline engines, the F series spark plugs come in three models with different heat ranges, adapted to power equipment of different displacements and loads, and widely cover garden machinery, small generator sets, water pumps and other terminal products.

The low heat range model is a hot-type spark plug with slow heat dissipation and fast working temperature rise. It is not prone to carbon deposition under low load conditions, fits small-displacement light power equipment, and is suitable for frequent start-stop and short-time operation scenarios.

The medium heat range model is a general-purpose spark plug with balanced heat dissipation, which can adapt to both high and low load conditions. It fits medium and small displacement conventional power equipment, with a wide range of application scenarios. It is the most versatile main model in the series and the mainstream stock model in the aftermarket.

The high heat range model is a cold-type spark plug with faster heat dissipation, which can quickly remove excess heat under high load conditions and prevent electrode overheating failure. It fits large-displacement heavy-duty power equipment, and is suitable for continuous high-power output and long-time operation scenarios.

All products share exactly the same installation specifications and are fully interchangeable. All are equipped with sealing washers, providing excellent sealing after installation and effectively preventing cylinder air leakage. As cross-border dedicated general power parts, three models are listed on the same link, supporting bulk purchase and drop shipping, to meet different selection needs of customers.