Premium Spark Plug for Optimal Engine Performance
High-quality nickel alloy electrode ensures superior conductivity and extended service life. Precision-engineered ceramic insulator resists extreme heat (up to 1,500°F) for reliable ignition. Seamless compatibility with ISL gas engines, ideal for industrial machinery, generators, and heavy-duty vehicles.
Durable Construction & Flawless Ignition
Multi-ribbed insulator design prevents flashover, while triple-seal gasket guarantees airtight combustion. Direct-fit replacement for OEM part numbers 5473009, 5443024, A0041594103, and 4937472—no modifications required.
Trusted Global Wholesale Supplier
Lowest price guaranteed for bulk orders, shipped worldwide. Stock up on essential engine components without compromising quality. Buy with confidence—backed by rigorous testing and industry-leading durability.
Perfect for Professionals & Fleet Managers
Reduce downtime with consistent spark performance in harsh conditions. Essential for maintenance kits, repair shops, and large-scale industrial operations. Upgrade your engine’s efficiency—order now!