1153 8658 574 Thermostat Oil Seal For BMW Engine Repair Kit OEM

1153 8658 574 Thermostat Oil Seal For BMW Engine Repair Kit OEM

1.Precision Dimensions

• Outer diameter: 89.2mm ±0.05mm

• Cross-section: 3.8mm

• Hardness: 75±5 Shore A

2.Key Advantages

• Genuine OEM Quality - Manufactured to BMW's original technical standards, ensuring exceptional durability and performance
• High-Temperature & Oil Resistance - Maintains perfect sealing even under extreme engine temperatures and oil exposure
• Precision Fit - Exact dimensional design effectively prevents thermostat housing leakage
• Long Service Life - Significantly reduces wear and extends engine cooling system lifespan

3.Additional Technical Highlights

• Engineered with high-grade fluorosilicone compound for optimal chemical resistance
• ncorporates reinforced lip design for enhanced sealing pressure retention
• Tested to withstand continuous operation at 150°C+ and intermittent peaks to 200°C
• Meets BMW specification GS 94016 for cooling system seals

4.Typical Applications

• Thermostat Housing Seal Replacement - Critical leak-proof solution that eliminates coolant/oil seepage
• Engine Overhaul Kits - Commonly included in BMW timing chain or valve cover gasket repair sets
• Cooling System Maintenance - Ensures proper thermostat operation to maintain optimal engine temperature

5.Professional Installation Guidelines

• Surface Preparation - Thoroughly clean mating surfaces of residual sealant and contaminants
• Lubrication - Apply silicone-based lubricant for easier installation
• Torque Specifications - Strictly adhere to BMW OEM bolt torque standards to prevent seal deformation

6.Why Choose This Product?

• Leak Prevention - Effectively avoids engine overheating or fluid contamination caused by seal failure
• Cost Efficiency - Maintains cooling system integrity to prevent expensive repairs

7.Vehicle Compatibility Chart

8.Important Notes

Precise compatibility requires:

• VIN verification
• BMW ETK system check
• Consultation with authorized BMW dealers

Exclusions:

• Hybrid models (iPerformance series)
• Latest CLAR platform vehicles (G chassis codes)

Guangzhou Yuanfenghang Auto Parts Co., Ltd. is a professional manufacturer and wholesaler specializing in high-end automotive parts, focusing on providing genuine and premium aftermarket parts for luxury brands such as Mercedes-Benz, BMW, Land Rover, and Jaguar.

With over 138 employees, the company operates a modern, standard factory covering over 2,000 square meters. The factory boasts three automated production lines, utilizing high-quality equipment for key processes, resulting in an annual production capacity of over 500,000 units.

The company also has a dedicated, professional finished product testing facility, ensuring reliable product data verification. The company is ISO/TS16949 certified. Leveraging years of industry experience and a robust supply chain, the company is committed to providing high-quality, reliable products and services, aiming to become a leading automotive parts supplier in South China.

Adhering to the principles of mutual benefit and integrity, the company offers superior products at competitive prices and excellent service. Yuanfengxing looks forward to working with you to create a better future!