Mahle SS45999 Engine Valve Stem Oil Seal Set - Exhaust or Intake and Exhaust

Reliable Engine Valve Stem Oil Seal Set for Land Rover Vehicles

The Mahle SS45999 Engine Valve Stem Oil Seal Set is designed to provide precise sealing performance for Land Rover engines. Engineered with metal and molded rubber, this valve stem seal set ensures durability and effective oil control for models like the Defender 90, Defender 110, Discovery, and Range Rover.

• Inside diameter: 0.343 inches (8.7 mm valve side)
• Outside diameter: 0.625 inches
• Height: 0.394 inches (10 mm overall stem height)
• Constructed from metal with molded rubber for enhanced sealing
• Compatible with Land Rover Defender 90, Defender 110, Discovery, and Range Rover

Technical Details and Specifications

The Mahle SS45999 valve stem oil seal set features a precise inside diameter of 0.343 inches, matching the valve stem size for optimal sealing. The outside diameter measures 0.625 inches, providing a secure fit within the valve guide. With a height of 0.394 inches and an overall stem height of 10 mm, these seals maintain proper oil control and prevent leakage. The combination of metal and molded rubber materials offers resistance to heat and wear, ensuring consistent performance under demanding engine conditions.

Compatible Land Rover Models and Applications

This valve stem oil seal set is specifically designed for use in Land Rover engines, including the Defender 90, Defender 110, Discovery, and Range Rover models. It is ideal for engine rebuilds or maintenance where valve stem oil seals require replacement to maintain engine efficiency and reduce oil consumption.

• Prevents oil leakage past valve stems
• Reduces valve guide wear
• Maintains proper lubrication of valve stems
• Helps control oil consumption and emissions
• Supports engine performance and longevity

Installation Notes and Tips

When installing the Mahle SS45999 valve stem oil seal set, ensure the valve stems and guides are clean and free of debris. Use appropriate tools to avoid damaging the seals during installation. Proper seating of the seals is critical to prevent oil leaks and ensure optimal engine operation. Refer to the vehicle’s service manual for torque specifications and installation procedures specific to Land Rover Defender and Range Rover models.

Quality Assurance and Warranty

Mahle manufactures the SS45999 valve stem oil seal set to meet strict quality standards, using durable materials designed for long service life. While specific warranty details are not provided, Mahle products typically adhere to industry standards for reliability and performance in automotive sealing applications.