Toyota Lexus cylinder gasket OE 11101-64303 metal composite gasket, leak-proof and durable, original factory matching LS400, LS430 Cruiser, etc
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Product Details ofToyota Lexus cylinder gasket OE 11101-64303 metal composite gasket, leak-proof and durable, original factory matching LS400, LS430 Cruiser, etc
Toyota Lexus cylinder gasket OE 11101-64303 metal composite gasket, leak-proof and durable, original factory matching LS400, LS430 Cruiser, etc
Toyota Lexus Cylinder Head Gasket OE 11101-64303 Professional Specifications
| Item | Description |
| OE Number | 11101-64303 |
| Product Name | Metal Composite Cylinder Head Gasket (OEM Specification) |
| Core Function |
High sealing performance, resistance to high temperature/pressure, leak prevention, corrosion resistance, and long-term engine stability |
| Compatible Models | Lexus LS400, LS430; Toyota Land Cruiser LC Series (specific engine models) |
| Material Composition | - Base Material: Stainless Steel (e.g., SUS304/SUS316) - Sealing Layer: Flexible graphite or metal coating - Structure: Multi-layer composite (metal frame + sealing material laminated) |
| Manufacturing Process |
Precision stamping + high-temperature composite pressing process; surface treated with fluororubber coating (enhanced oil resistance) |
| Technical Parameters | - Thickness: 1.2～1.5mm (typical) - Temperature Resistance: -40℃ to +600℃ - Pressure Resistance: ≥30MPa (peak) - Sealing Surface Accuracy: ≤0.02mm (flatness) |
| Performance Features | - Low compression set deformation (≤15%) - Excellent creep resistance - Compatible with coolant and engine oil media |
| Installation Standards | - Clean cylinder block and head surfaces (free of contaminants) - Bolt tightening sequence and torque per OEM manual - Optional OEM sealant use (if applicable) |
| Engine Compatibility | Fits V8 engines (e.g., 1UZ-FE); verify engine cylinder block code against OE data |
| Lifespan & Maintenance | - Design life: ≥100,000 km or 5 years (normal use) - Inspect sealing surface periodically; avoid over-tightening |
| Certification | Compliant with ISO 9001; passed Toyota OEM durability tests |
Toyota Lexus Cylinder Head Gasket OE 11101-64303 Professional Information
(Textual Description)
I. Product Basics
OE Number: 11101-64303
Product Name: Metal Composite Cylinder Head Gasket (Original Equipment Specification)
Core Function: Seals the gap between the cylinder head and engine block to prevent leaks of combustion gas, coolant, and engine oil, ensuring stable engine operation.
Compatible Models: Lexus LS400, LS430, and Toyota Land Cruiser LC Series (specific engine models, e.g., 1UZ-FE).
II. Technical Specifications
Material Composition:
Base Layer: High-quality stainless steel (SUS304/SUS316) for corrosion resistance and mechanical strength.
Sealing Layer: Flexible graphite + metal coating (e.g., fluororubber) for improved sealing and chemical resistance.
Structure: Multi-layer composite design (metal framework + sealing material) for durability and stability.
Key Parameters:
Thickness: 1.2–1.5 mm (typical range).
Temperature Range: -40°C to +600°C (long-term operation).
Pressure Resistance: ≥30 MPa (peak pressure).
Surface Flatness: ≤0.02 mm (sealing surface).
Compression Set: ≤15% (per ASTM D395).
Creep Resistance: ≤5% deformation under long-term load (ISO 6502).
Compatible Fluids: Ethylene glycol-based coolants and API SN/CF engine oils.
Design Life: ≥100,000 km or 5 years (under normal conditions).
III. Performance Features
Sealing Capability: Maintains integrity under 30 MPa pressure for 24 hours (Toyota OEM standard).
Durability: ≤0.01 mm surface wear after 1,000 hours of cyclic testing (600°C + 20 MPa pressure).
Environmental Resistance: Passes 96-hour salt spray test (ASTM B117) with no corrosion; meets ASTM D471 oil resistance requirements.
IV. Installation & Maintenance
Installation Guidelines:
Ensure mating surfaces (cylinder block and head) are clean, free of oil, debris, or burrs.
Tighten bolts in a diagonal pattern per OEM torque specifications (refer to vehicle service manual).
Optional use of Toyota-approved sealant (if applicable) for enhanced sealing.
Maintenance Tips:
Regularly check coolant and oil condition; leaks (e.g., coolant discoloration or oil emulsification) indicate potential gasket failure.
Replace gasket during engine overhauls; do not reuse old gaskets.
V. Compatibility & Certification
Model Compatibility: Verify engine model and cylinder block codes (e.g., 1UZ-FE) to ensure proper fitment.
Quality Assurance: ISO 9001 certified; meets Toyota OEM durability and performance standards.
VI. Key Notes
Material Advantages: Metal framework provides structural support, while graphite layer fills microscopic gaps for leak prevention.
Installation Caution: Avoid reusing old gaskets; improper bolt tightening may cause leaks or damage.
Failure Indicators: Monitor for unusual engine symptoms (e.g., overheating, coolant mixing with oil, or decreased cylinder pressure).
Summary: The OE 11101-64303 gasket offers robust sealing performance through advanced materials, stringent testing, and OEM compliance. Ideal for long-term reliability in high-demand applications; installation must follow Toyota's guidelines to ensure system integrity.
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