High-Performance Ignition System Spark Plug Wire for Cummins 5.9L Engines
Premium copper-core conductor ensures optimal electrical conductivity for consistent spark delivery. High-grade silicone insulation withstands extreme heat (up to 500°F) and resists oil/corrosion. Precision-molded boots provide secure fitment, preventing misfires in harsh conditions. Engineered for Cummins 5.9L excavator engines (compatible with models requiring part #3966404). Ideal for heavy-duty construction, mining, and agricultural equipment. OEM-matched specifications guarantee direct replacement without modifications. Exclusive bulk pricing for wholesale buyers—factory-direct quality at unbeatable global rates. Stock up on durable, high-torque ignition components designed for long-term reliability. Ships worldwide with fast dispatch.