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ℹ️ Key Product & Technical Specifications

• Part Description: Engine Ignition Coil Pack Set (Coil-on-Plug Assembly — Set of 8)

• Condition: Used (Genuine OEM Ford / Motorcraft — Bench Tested, Primary/Secondary Resistance Checked & Boots Inspected)

• Ford OEM Engineering Number: 8L3E-12A366-AA (or 8L3E12A366AA)

• Motorcraft Service Part Number: DG-521 (or DG521)

• Superseded & Interchange OEM Numbers:

  • 8L3Z-12029-A / 8L3Z12029A

  • AL3Z-12029-A / AL3Z12029A

  • 8L3E-12A366-BA / 8L3E12A366BA

• Connector Type: 2-Pin Plug (Brown / Black Boot Design — Fits 3-Valve V8 Engines)

• Engine Fitment:

  • 4.6L V8 3V (SOHC 24-Valve Petrol)

  • 5.4L V8 3V (SOHC 24-Valve Petrol / Flex Fuel)

• Vehicle Compatibility:

  • Ford F-150: (2008–2010 4.6L 3V / 5.4L 3V)

  • Ford F-250 / F-350 Super Duty: (2008–2010 5.4L 3V V8)

  • Ford Expedition: (2008–2014 5.4L 3V V8)

  • Ford Explorer / Sport Trac: (2008–2010 4.6L 3V V8)

  • Ford Mustang: (2008–2010 4.6L 3V V8 GT)

  • Lincoln Navigator: (2008–2014 5.4L 3V V8)

  • Lincoln Mark LT: (2008–2010 5.4L 3V V8)

SET OF 8 GENUINE USED FORD / MOTORCRAFT 4.6L & 5.4L V8 IGNITION COILS

PART NUMBER: 8L3E-12A366-AA

Motorcraft Interchange: DG-521 | 8L3Z-12029-A | AL3Z-12029-A | 8L3E-12A366-BA

🏬 WELCOME TO SOUK AUTO PARTS

Your trusted global supplier for Genuine OEM, Premium Aftermarket, and Quality-Tested Used Auto Spare Parts. We specialize in precise technical cataloging and direct factory/OEM cross-referencing to ensure you get the exact fitment every single time.

🛠️ ITEM DESCRIPTION & TECHNICAL SPECIFICATIONS

Up for sale is a complete Set of 8 Genuine OEM Ford / Motorcraft Used Ignition Coil Packs (8L3E-12A366-AA). Professionally removed from a low-mileage donor vehicle equipped with a late-revision 3-Valve V8 engine, each coil has been bench-tested for primary and secondary circuit resistance to resolve engine misfires (P0300–P0308) and restore smooth acceleration.

• Quantity: Complete Set of 8 Coils

• Part Condition: Used (Genuine OEM Ford / Motorcraft)

• Brand: Genuine Ford / Motorcraft

• Part Type: Direct Ignition Coil Pack (Coil-on-Plug)

• Engine Codes Supported: 4.6L V8 3V | 5.4L V8 3V

• Placement on Vehicle: Cylinder Head Spark Plug Wells (Cylinders 1 through 8)

TECHNICAL FITMENT NOTE: These feature the revised brown/black boot design meant for late 2008–2014 3-Valve heads. They do NOT fit early 2-Valve V8 engines (which use DG-508 / black straight boots) or early 2004–2007 3-Valve heads using DG-511 coils with different spark plug thread offsets.

🚘 VEHICLE COMPATIBILITY

Fits the following Ford and Lincoln models equipped with 3-Valve (3V) 4.6L or 5.4L V8 engines:

• Ford F-150: 2008–2010 (4.6L 3V & 5.4L 3V)

• Ford F-250 / F-350 Super Duty: 2008–2010 (5.4L 3V V8)

• Ford Expedition: 2008–2014 (5.4L 3V V8)

• Ford Explorer: 2008–2010 (4.6L 3V V8)

• Ford Explorer Sport Trac: 2008–2010 (4.6L 3V V8)

• Ford Mustang GT: 2008–2010 (4.6L 3V V8)

• Lincoln Navigator: 2008–2014 (5.4L 3V V8)

• Lincoln Mark LT: 2008–2010 (5.4L 3V V8)

🔍 FREE VIN FITMENT VERIFICATION GUARANTEE

Avoid ordering errors and return hassles! Ford Modular V8 engines underwent mid-year spark plug and cylinder head head redesigns in 2008.

Before placing your order:

1. Send Souk Auto Parts your 17-digit VIN (Vehicle Identification Number) via eBay Messages.

2. Our technical database team will run a direct Ford OEM catalog check to confirm 100% exact fitment for your specific truck or SUV.

📦 WHY BUY FROM SOUK AUTO PARTS?

• Guaranteed Authenticity: 100% genuine parts sourced directly from authorized channels and verified donor vehicles.

• Fast Dispatch: Orders processed and shipped within 1 business day with full online tracking.

• Secure Packaging: Heavy-duty reinforced boxes with specialized shock absorption material to guarantee safe delivery worldwide.

• Global Express Shipping: We ship worldwide via trusted express couriers. (Note: Import duties, taxes, and custom charges are the buyer's responsibility).