A7TC Spark Plug 3 Electrode for 50cc–150cc Scooter Dirt Bike ATV Go Kart

Product Overview

This 3-electrode A7TC spark plug is designed to deliver more consistent ignition and improved combustion efficiency for small-displacement engines. Compared with standard single-electrode plugs, the multi-electrode design helps reduce misfires, improve throttle response, and extend service life, making it a reliable choice for daily riding and recreational use.

Specifications

Item	Details
Spark Plug Model	A7TC
Electrode Type	3-Electrode
Thread Diameter	10mm (0.39")
Thread Length	12.7mm (0.5")
Engine Type	4-Stroke Small Engines
Condition	Brand New

Product Compatibility

Compatible Engines / Vehicles	Replacement Reference
50cc / 70cc / 90cc / 110cc / 125cc / 150cc Scooters	A7TC
Chinese GY6 Engines (50cc–150cc)	C7HSA / CR7HSA
Dirt Bike / Pocket Bike / ATV / Quad / Go Kart	UR3A
Brands	TaoTao, SUNL, Cheetah, Chinese ATVs & Scooters

Key Features

• 3-Electrode Design – Provides more stable spark paths, reducing misfire and improving combustion efficiency
• Reliable Ignition Performance – Helps ensure easier starting and smoother engine operation
• Durable Construction – Built to withstand high temperatures and repeated ignition cycles
• Wide Compatibility – Suitable for most Chinese-made 50cc–150cc scooters, ATVs, and dirt bikes
• Direct Replacement – Installs easily with no modification required