Threaded Screw Plug for Engine Block and Hydraulic System Sealing Applications SKU: QT0636303002

A missing or damaged screw plug leaves critical fluid passages exposed, allowing contamination to enter and essential fluids like oil or hydraulic fluid to leak out. This creates immediate problems - pressure loss, system inefficiency, and accelerated wear that can turn minor maintenance into major repairs. This precision-threaded screw plug restores the factory seal your equipment needs to keep fluids where they belong.

Why This Plug Matters

• Exact-fit threading eliminates guesswork and ensures proper torque specifications
• Prevents contamination from entering sensitive fluid passages and systems
• Maintains proper system pressure for reliable operation
• Built to handle temperature extremes and system pressures

When your equipment has missing plugs or stripped threads causing leaks, this is the reliable solution. S&H Parts has been helping customers solve sealing problems since 1969 - call us if you need help confirming the right fit for your application.