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F7TC Spark Plug Replacement for GX120–GX390 Engines
F7TC Spark Plug Replacement for GX120–GX390 Engines
5.0 / 5.0
(2) 2 total reviews
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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
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Fitment FAQ
Will this part fit my specific model and year?
This spark plug is intended for Engine Brand / Type; Engine Models / Codes; Displacement / Power; Common Applications; Honda GX Series; GX120, GX160, GX200, GX240, GX270, GX340, GX390; 120cc–390cc. Key physical/spec details from the product data include Thread Size: M14 × 1.25, 120cc, 390cc. Use the compatibility table and product photos together before ordering.
Do I need to match the OEM part number?
Yes. If your original part has a stamped OEM or manufacturer number, match that number first before ordering. For this spark plug, also compare the thread size, reach, heat range, electrode style, and original plug code. This is especially important for Honda GX120/GX390/GX160/GX200 models because similar model names can use different parts by year or trim.
What models or situations does this part not fit?
Do not order this spark plug for machines outside the listed compatibility, or for units with different OEM numbers, dimensions, mounting points, connectors, or year-specific configurations. Do not rely only on the model name or engine size.
What should I check before ordering?
Before ordering, compare your original part with the photos and check the thread size, reach, heat range, electrode style, and original plug code. Recheck listed specs such as Thread Size: M14 × 1.25, 120cc, 390cc. If any connector, mounting point, size, or year detail is different, confirm fitment before installation.
Last a while and have great performance. Highly recommend.
Perfect match, same as the original plug.