Precision-Engineered Mitsubishi MD339118 Spark Plug Oil Seal

High-performance nitrile rubber construction ensures superior heat resistance (up to 250°F) and prevents oil leakage in extreme engine conditions. CNC-machined steel reinforcement collar provides perfect torque retention during spark plug installation.

Direct OEM replacement with laser-etched part number for guaranteed compatibility with Mitsubishi 4A9, 4B1 engines and Chrysler/Dodge models. Reduces cylinder head wear by 40% compared to generic seals.

Industrial-grade PTFE coating minimizes friction during plug removal/maintenance. Essential for turbocharged engines, high-mileage vehicles, and performance tuning applications.

Global wholesale pricing with MOQ discounts - ships in OEM-style packaging with corrosion-resistant VCI protection. Bulk pallet orders available for repair shops and distributors.