Details

• Brand:

  

  

• SKU:

  2W4Z-12029-B

• Other Names:

  Coil Assembly Ignition, dg529

• Description:

  This is the genuine Ford coil-on-plug ignition coil for the 3.9L V8, equivalent to Motorcraft DG-529, used in the 2000 to 2006 Lincoln LS and Ford Thunderbird. The coil mounts directly on the spark plug and supplies the high-voltage spark that ignites the air-fuel mixture, with one coil dedicated to each cylinder. A failing coil is a common cause of an engine misfire, rough or unstable idle, hesitation and stumble under acceleration, reduced power and fuel economy, and a steady or flashing check-engine light with cylinder-specific misfire codes, because a weak or shorted coil cannot deliver a reliable spark under load. Heat cycling and vibration gradually break down the coil's windings and insulation, so coils become a maintenance item as these engines age. Installing a new genuine coil restores a strong, consistent spark to the affected cylinder. Replacement is straightforward: disconnect the electrical connector, remove the hold-down fastener, withdraw the coil from the spark plug well, and seat the new coil firmly onto the plug with the connector latched. Inspecting or renewing the spark plug beneath the coil and applying dielectric grease to the boot are good practice during the job. Confirm the engine and model year against your VIN before ordering. Genuine Ford construction ensures correct spark output, boot fit and connector match for reliable ignition on the 3.9L V8.

• Replaces:

  1w4z12029ba, 2w4z12029ba, 2w4z12029bc, 2w4z12029bd, xw4z12029ba

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