The Oil Filler Neck O-Ring (OEM 21191KA000) is a genuine Subaru sealing component designed to ensure a tight, leak-free connection between the oil filler neck and the engine. It prevents oil seepage and protects the lubrication system from contamination. Manufactured to Subaru’s factory specifications, it offers precise fitment, durability and strong resistance to heat and oil exposure.

Manufacturer: Subaru
OEM Part Number: 21191KA000