OE: UF557. Replace OE: 5C1554, 3L3E-12A366-CA, 3L3Z-12029-BA, FD-508, FD-516, DG508, DG516, C1511, E413, 52-1865, IC597, GN10332. Package Included: Ignition Coil Packs x4, Spark Plugs x4. Not included manual, no professional tools are required, easy to install.
Eliminate Faults & Smooth Operation: The Fit4drive UF557 ignition coil set can accurately replace the original vehicle's aging and worn parts, comprehensively upgrade ignition efficiency, and completely resolve unstable idling, sluggish acceleration, difficulty starting and malfunction warning lights, allowing the engine to regain smooth operation and return to the ideal driving experience.
High-Purity Copper Windings & Precision Spark Plugs: The premium-quality ignition coil has an internal copper structure with excellent conductivity and low energy loss. Paired with spark plugs featuring a fine needle electrode design, it ensures stable ignition. The copper core iridium spark plug has excellent heat dissipation performance, making it more durable and longer-lasting than ordinary spark plugs.
Does It Improve Fuel Efficiency? Fit4drive ignition coil kit boasts excellent energy conversion efficiency. When paired with iridium spark plugs, it enables faster and more complete ignition of the air-fuel mixture, achieving precise ignition and allowing for a more complete release of fuel energy, thereby effectively improving fuel economy.
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