Mahle SS45940A Engine Valve Stem Oil Seal Set - Intake and Exhaust

Overview of Mahle Valve Stem Oil Seal Kit SS45940A

The Mahle Valve Stem Oil Seal Kit SS45940A is engineered for precise sealing performance in various European and Japanese vehicles. Designed to maintain optimal engine valve stem lubrication, this kit supports reliable engine operation in models like the BMW 328i, Audi A4, and Volkswagen Golf.

• Inside diameter: 0.236 inches (6 mm valve side)
• Outside diameter: 0.48 inches
• Thickness and height: 0.382 inches (9.7 mm overall height)
• Constructed from metal with molded rubber for durability and effective sealing
• Compatible with multiple makes including Audi, BMW, Mercedes-Benz, Porsche, Volkswagen, and more

Detailed Product Description

This engine valve stem oil seal set from Mahle features a metal core combined with molded rubber to provide a secure seal around the valve stem, preventing oil leaks and ensuring proper lubrication. The precise dimensions—0.236 inch inside diameter and 0.48 inch outside diameter—allow for a tight fit on valve stems, reducing oil consumption and minimizing emissions. The 0.382 inch thickness and 9.7 mm overall height contribute to the seal’s ability to withstand engine heat and pressure over time.

Mahle’s Valve Stem Oil Seal Kit line is designed specifically for engine gasket and sealing system applications, offering reliable sealing solutions that meet OEM specifications. This kit is suitable for a wide range of vehicles, including popular models such as the BMW 530i, Audi A6 Quattro, Volkswagen Tiguan, and Mercedes-Benz E350, ensuring compatibility and performance across multiple platforms.

Common Applications and Issues Addressed

• Prevents oil leakage around valve stems
• Reduces valve stem wear and tear
• Helps maintain engine oil pressure and cleanliness
• Minimizes blue smoke from exhaust due to oil burning
• Improves overall engine efficiency and longevity

Installation Notes and Tips

• Ensure the valve stem and surrounding area are clean before installation
• Use appropriate tools to avoid damaging the seal during installation
• Verify seal dimensions match OEM specifications for your vehicle model
• Replace seals in sets to maintain balanced engine performance

Quality Assurance and Warranty

Mahle manufactures the Valve Stem Oil Seal Kit SS45940A to meet strict quality standards, using durable materials that resist heat and chemical degradation. While specific warranty details may vary, Mahle products typically come with manufacturer-backed quality assurance to support reliable engine sealing performance.