Automotive Replacement Ignition Coils

Check your vehicle’s make, model, year and engine code; compare the OEM part number or fitment list provided by the seller to ensure compatibility, and confirm whether your car uses coil-on-plug, coil packs, or a single distributor-mounted coil

Differences include build quality, connector and boot materials, internal windings and testing standards; reputable brands often provide engineering tolerances and warranties, while budget options may vary in durability and electrical performance

Many aftermarket coils are engineered to match OEM specifications and perform reliably when properly matched to the vehicle, but reliability depends on correct fitment, quality of materials, and adherence to manufacturer electrical specifications

Prices vary by type and brand; you can find budget options under $50 and higher-quality or OEM-equivalent coils in higher ranges, with an average price in the general market often around $70–$90 per coil

You can replace only the faulty coil if diagnostics confirm it’s the sole issue, but many technicians recommend replacing all coils together if the vehicle has high mileage or multiple coils show signs of wear to ensure consistent performance

Common signs include engine misfires, rough idle, decreased fuel economy, difficulty starting, and illumination of the check engine light with related diagnostic trouble codes (e.g., misfire codes)

Keep coils and surrounding spark plug wells clean and dry, use correct spark plugs and gaps, ensure connectors and boots are secure and free of corrosion, and address engine oil or coolant leaks promptly to prevent coil contamination