F7TC Spark Plug Replacement for GX120–GX390 Engines

Product Overview

This F7TC spark plug is a reliable replacement for GX-series gasoline engines and their Chinese equivalents. Designed for stable ignition and efficient combustion, it helps improve starting performance and maintain smooth operation across generators, lawn equipment, water pumps, and go-karts.

Product Compatibility

Engine Brand / Type	Engine Models / Codes	Displacement / Power	Common Applications
Honda GX Series	GX120, GX160, GX200, GX240, GX270, GX340, GX390	120cc–390cc	Generator, Lawnmower, Water Pump, Go Kart
Chinese Gasoline Engines	168F / 168FA / 168FB	160cc–200cc (5.5–6.5HP)	Tiller, Polisher, Generator
Chinese Gasoline Engines	170F	207cc–212cc (6–7HP)	Generator, Mini Bike
Chinese Gasoline Engines	173F	242cc (8.0HP)	Agricultural Machinery
Chinese Gasoline Engines	177F	270cc (9.0HP)	Water Pump, Generator
Chinese Gasoline Engines	182F	337cc–338cc (11HP)	Industrial Equipment
Chinese Gasoline Engines	188F	389cc–401cc (13–16HP)	Generator, Tractor
Chinese Gasoline Engines	190F	407cc–420cc (13–16HP)	Heavy-Duty Power Equipment

Technical Specifications

Specification	Details
Spark Plug Model	F7TC
Thread Size	M14 × 1.25
Thread Reach	19 mm
Condition	Brand New
Engine Type	4-Stroke Gasoline Engines

Key Features

• Stable Ignition Performance – Ensures reliable spark for consistent engine operation
• Wide Engine Compatibility – Fits GX-series and most Chinese horizontal gasoline engines
• Durable Construction – Designed to withstand high temperatures and long operating hours
• Improved Combustion Efficiency – Helps engines start easier and run smoother
• Direct Replacement Fit – No modification required