Mopar Performance 5184778AB Spark Plug Tube Seal

The Mopar Performance 5184778AB is a genuine OEM spark plug tube seal designed to prevent oil leakage into the spark plug wells. This critical seal sits at the top of the spark plug tube in the valve cover, creating a tight barrier that keeps engine oil from seeping down into the spark plug cavity.

Key Features:

• Genuine Mopar OEM quality part ensures proper fit and long-lasting durability
• Prevents oil contamination of spark plugs and ignition components
• High-temperature resistant rubber construction withstands engine heat cycles
• Direct replacement for worn or damaged original seals
• Helps eliminate misfires caused by oil-fouled spark plugs

Oil leaking into spark plug wells is a common issue that can cause rough idle, misfires, and potential damage to ignition coils. Replacing these seals during spark plug service or valve cover gasket replacement is essential preventive maintenance. This genuine Mopar seal ensures the quality and fitment you expect from factory components.