Mahle SS45991 Engine Valve Stem Oil Seal Set - Exhaust

Reliable Valve Stem Oil Seal Kit for Subaru Engines

The Mahle Valve Stem Oil Seal Kit SS45991 is engineered to provide precise sealing performance for Subaru engines. Designed specifically for models like the Ascent, BRZ, Crosstrek, Forester, Impreza, Legacy, Outback, Tribeca, WRX, and XV Crosstrek, this kit ensures optimal valve stem sealing to maintain engine efficiency.

• Inside diameter: 0.217 inches (5.5 mm)
• Outside diameter: 0.482 inches
• Thickness and height: 0.315 inches (8 mm overall height)
• Constructed from metal with molded rubber for durability and effective sealing
• Compatible with multiple Subaru models for precise fitment

Mahle Valve Stem Oil Seal Kit Product Line Overview

The Valve Stem Oil Seal Kit line by Mahle focuses on delivering high-quality sealing components designed to withstand the demands of modern engines. This kit, part number SS45991, features a metal core combined with molded rubber to provide a secure seal around the valve stem, reducing oil leakage and maintaining proper lubrication within the valve train assembly.

Technical Details and Specifications

This engine valve stem oil seal set includes seals with an inside diameter of 0.217 inches (5.5 mm), an outside diameter of 0.482 inches, and a thickness of 0.315 inches. The overall height of the valve stem seal is 8 mm, ensuring a precise fit for the valve stems in compatible Subaru engines. The metal and molded rubber construction offers resistance to heat and wear, contributing to long-term engine reliability.

Common Applications and Problem Solving

• Prevents oil leakage into the combustion chamber
• Reduces valve stem wear and extends engine component life
• Maintains proper valve lubrication for efficient engine operation
• Helps eliminate blue smoke from exhaust caused by oil burning
• Addresses oil consumption issues related to worn valve stem seals

Installation Notes and Tips

When installing the Mahle Valve Stem Oil Seal Kit SS45991, ensure the valve stems and surrounding areas are clean and free of debris. Use appropriate tools to avoid damaging the seals during installation. Verify the correct orientation of the seals to maintain proper sealing function. This kit is compatible with Subaru models including Ascent, BRZ, Crosstrek, Forester, Impreza, Legacy, Outback, Tribeca, WRX, and XV Crosstrek.

Quality Assurance and Warranty

Mahle manufactures the Valve Stem Oil Seal Kit SS45991 to meet strict quality standards, using durable materials designed for engine longevity. While specific warranty details are not provided, Mahle products are generally backed by the brand's commitment to quality and reliability in automotive sealing solutions.