Stone JF-56322-F Engine Valve Stem Oil Seal - Subaru

The Stone JF-56322-F is a precision-engineered engine valve stem oil seal manufactured by Ishino Gasket Corporation (Stone) for Subaru vehicles. Designed and produced in Japan, this seal is built to OEM specifications to provide a reliable, long-lasting barrier against oil intrusion past the valve stems.

Valve stem oil seals play a critical role in engine performance by controlling oil consumption and preventing oil from entering the combustion chamber. A failing valve stem seal can lead to increased oil consumption, blue exhaust smoke, and fouled spark plugs. The Stone JF-56322-F restores proper sealing integrity to keep your engine running cleanly and efficiently.

Key Features:

• OEM-quality replacement valve stem oil seal
• Manufactured in Japan by Ishino Gasket Corporation (Stone brand)
• Engineered to meet or exceed original equipment specifications
• Precision fit for correct Subaru applications
• Resists heat, oil, and chemical degradation for long service life
• Direct-fit replacement — no modifications required

Stone gaskets and seals are a trusted choice among professional technicians and enthusiasts who demand OE-level quality for Japanese and Korean vehicle repairs.