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Landrover 4.0L V6 Engine Overhaul Gasket Set Diesel Rebuild Kit OEM LR005521 LR005522

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Landrover 4.0L V6 Engine Overhaul Gasket Set Diesel Rebuild Kit OEM LR005521 LR005522

Large Image : Landrover 4.0L V6 Engine Overhaul Gasket Set Diesel Rebuild Kit OEM LR005521 LR005522

Product Details:

Place of Origin:	China
Brand Name:	Czechdes
Certification:	ISO CE
Model Number:	4.0L V6

Payment & Shipping Terms:

Minimum Order Quantity:	20PCS
Price:	Negotiation
Packaging Details:	Cardboard box or Wooden box
Delivery Time:	5-15Days
Payment Terms:	L/C,D/A,MoneyGram,D/P,T/T,Western Union
Supply Ability:	5000

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Detailed Product Description

Part Number:

LR005521 LR005522

Product Name:

Engine Overhaul Kit

Sample:

Avaiable,Contact Us To Give You Accurate Sample Price

Highlight:

Landrover overhaul gasket set

OEM overhaul gasket set

OEM diesel engine rebuild kit

LR005521 LR005522 Land Rover 4.0L V6 Engine Overhaul Kit OEM

1. Product Attributes

Category	Details
Compatibility	Land Rover 4.0L V6 petrol engines (e.g., Thor engine in Discovery II/Range Rover early 2000s).
Kit Contents	- Gaskets (valve cover, oil pan, intake/exhaust manifold) - Seals (crankshaft front/rear, valve stem) - Piston rings - Main/connecting rod bearings - Timing chain tensioner (optional in some kits) - Bolts (critical fasteners) - Head gasket (may vary by kit).
Material	- Bearings: High-tin aluminum alloy/copper-lead with coatings - Seals: Fluoroelastomer (FKM) or PTFE - Gaskets: Multi-layer steel (MLS) or composite fiber.
OEM Standards	Manufactured to original Land Rover specifications for fitment and durability.
Purpose	- Full engine rebuild - Repair oil leaks, low compression, or bearing wear - Preventive maintenance for high-mileage engines.
Key Benefits	- Restores factory performance - Reduces friction and wear - Ensures proper sealing and lubrication.
Installation	Requires professional tools (torque wrench, ring compressor) and machining (if block/head resurfacing needed).
Quality Control	- Pressure-tested gaskets - Dimensional precision (±0.001" for bearings) - Fatigue-resistant materials.
Lifespan	Matches OEM service life (typically 100,000+ miles with proper installation).
Notes	Avoid non-OEM kits for critical components (e.g., head gaskets) to prevent premature failure.

2. Applications

Primary Use Cases:
- Engine Overhaul: Full repair for issues like oil burning, abnormal noises, or low compression.
- Preventive Maintenance: Replacement of wear-prone parts during high-mileage engine disassembly.
- Engine Rebuilding: Restoration of old or damaged engines to factory performance.
Compatible Engines: Primarily fits Land Rover 4.0L V6 petrol engines (e.g., the Thor engine, used in early 2000s Discovery II or Range Rover models).

3. Working Principles

Functional Synergy:
- Sealing System: Gaskets/seals prevent oil leaks and maintain lubrication pressure.
- Friction Control: Bearings and piston rings optimize friction, reducing wear.
- Thermal Management: Head gaskets ensure proper sealing, preventing coolant/combustion gas leaks.
Performance Restoration: Replacing worn components restores compression ratio, lubrication efficiency, and other critical parameters to factory specs.

4. Manufacturing Process

OEM Production Steps:

1. Material Selection:
  - Bearings: High-tin aluminum alloy or copper-lead layers with coatings.
  - Gaskets: Multi-layer steel (head gaskets) or composite materials (manifold gaskets).
2. Precision Machining:
  - CNC machining for bearing tolerances (±0.001 inches).
  - Laser-cut gaskets for exact sealing profiles.
3. Surface Treatments:
  - Piston rings with chrome or molybdenum coatings for reduced friction.
  - PTFE-coated oil seal lips for enhanced sealing.
4. Quality Control:
  - Pressure testing (gaskets), fatigue testing (bearings), full dimensional inspection.

5. Key Considerations

Installation Requirements: Requires professional tools (torque wrench, ring compressor) and techniques (e.g., bearing clearance measurement).
Recommended Additional Steps: Inspect camshafts, cylinder block wear; machine block/crankshaft if necessary.
Non-OEM Risks: Aftermarket parts may fail prematurely due to inferior materials (e.g., gasket deformation causing leaks).