OEM LR006645 Engine Overhaul Kit for Land Rover 4.4L Gasoline Engine

1. Product Overview

The OEM Engine Overhaul Kit for the Land Rover 4.4L Gasoline Engine is a comprehensive repair solution designed to restore engine performance, reliability, and longevity. This kit includes high-precision OEM (Original Equipment Manufacturer) components that meet or exceed factory specifications, ensuring optimal compatibility with Land Rover’s 4.4L V8 gasoline engines (e.g., found in models like the Range Rover Sport, LR3, and Discovery 4).

2.Detailed Vehicle Compatibility Table

Compatible Engine Model: AJ-V8 44V (2005-2016)

3. Performance Comparison Data

4. Applications

This overhaul kit is designed for:

• Land Rover 4.4L V8 Gasoline Engines (e.g., AJ-V8 engine variants).

• Common Repair Scenarios:

  • Engine oil leaks (rear main seal, valve covers).

  • Loss of compression (worn piston rings or valve seals).

  • Timing chain wear leading to poor performance.

  • Overheating due to blown head gaskets.

5. Production Process & Quality Control

• Material Selection – High-grade metals, polymers, and composites tested for thermal expansion and wear resistance.

• Precision Machining – CNC milling, grinding, and honing ensure micrometer-level accuracy.

• Pressure & Leak Testing – Gaskets and seals undergo simulated engine conditions.

• Laser Etching & Batch Tracking – Ensures traceability and authenticity.

6. Installation Method (General Procedure)

• Engine Disassembly – Remove cylinder heads, pistons, crankshaft, and timing components.
• Cleaning & Inspection – Degrease block, check cylinder bore wear, and measure tolerances.
• Component Replacement – Install new bearings, rings, gaskets, and seals per OEM torque specs.
• Timing System Assembly – Align timing marks and tension the chain correctly.
• Reassembly & Testing – Refill fluids, prime oil system, and conduct a compression test.

7. Frequently Asked Questions (FAQ)

Q: Is this kit compatible with all Land Rover 4.4L engines?
A: Yes, but verify the engine code (e.g., AJ-V8) for exact fitment.

Q: Does the kit include all necessary parts for a full rebuild?
A: It covers major wear items, but additional parts (e.g., bolts, fluids) may be needed.

Q: Can a DIY mechanic perform this overhaul?
A: Only recommended for experienced technicians due to the complexity of V8 engine rebuilds.

Q: What’s the expected lifespan after overhaul?
A: Properly rebuilt engines can last 100,000+ miles with regular maintenance.