New Ford 4.6L 5.4L 3V V8 SOHC Cylinder Head Casting # 3L3E Left

New Ford 4.6L & 5.4L 3V V8 SOHC Cylinder Head – Left Side – Casting 3L3E

OEM-Quality Replacement Left Side Cylinder Head

Restore the performance and reliability of your Ford engine with this premium 3-valve SOHC cylinder head. Engineered for a precise fit on 4.6L and 5.4L V8 engines featuring casting number 3L3E, this head comes assembled with valves and springs to streamline your installation process.

🛠️ In-House Machining Process

• Debris-Free Preparation: Every new casting is chemically cleaned and blown out to remove all residual machining oils, metal shavings, and manufacturing debris. This ensures your oiling system remains uncontaminated from the first start-up.

• In-House Precision Machining: Unlike “shelf-stock” heads, we perform all final machine work in-house. This includes final guide sizing and precision valve seat cutting to ensure perfect geometry and clearances before the head reaches the assembly bench.

• Pressure & Integrity Testing: To go beyond the factory standard, we pressure-test every head to 60 PSI. This verifies that the casting is free of porosity leaks or internal defects that could compromise the cooling or oiling systems.

• Dimensional Inspection: Our technicians perform a multi-point inspection of the gasket-sealing surface and bore alignment. This ensures the head is perfectly flat and meets tight OEM tolerances for a flawless fit.

• Professional Assembly & Setup: Valvetrain components are installed and verified in a clean-room environment. We check spring heights and seal seating to ensure the assembly is balanced and ready for high-performance use.

• Vacuum-Seal Verification: Every intake and exhaust port is Vacuum Tested. This guarantees a 100% airtight seal between the valves and seats, ensuring maximum compression and peak performance right out of the box.

📊 Technical Specifications

• Engine Size: 4.6L, 5.4L 3V V8
• Casting Number: 3L3E
• Position: Left Side (Driver Side)
• Condition: New
• Included Components: Valves and springs only (Reuse existing rockers, cams, and lifters)
• Core Return Required

🚛 Fitment Data

Common Applications:

• Ford Expedition: 2004–2010 Ford Expedition (4.6L V8)
• Ford Expedition: 2004–2010 Ford Expedition (5.4L V8)
• Ford Explorer: 2004–2010 Ford Explorer (4.6L V8)
• Ford Explorer: 2004–2010 Ford Explorer (5.4L V8)
• Ford F-150: 2004–2010 Ford F-150 (4.6L V8)
• Ford F-150: 2004–2010 Ford F-150 (5.4L V8)
• Mercury Mountaineer: 2004–2010 Mercury Mountaineer (4.6L V8)
• Mercury Mountaineer: 2004–2010 Mercury Mountaineer (5.4L V8)
• Ford Mustang: 2004–2010 Ford Mustang (4.6L V8)
• Ford Mustang: 2004–2010 Ford Mustang (5.4L V8)
• Lincoln Navigator: 2004–2010 Lincoln Navigator (4.6L V8)
• Lincoln Navigator: 2004–2010 Lincoln Navigator (5.4L V8)