Description
When you’re rebuilding a cylinder head or doing engine work on your New Holland, these plugs seal coolant passages in the engine block and need proper sealing to prevent leaks that can lead to overheating. This threaded plug is designed to seal specific openings in the cylinder head assembly, keeping coolant and engine oil where they belong so your engine maintains proper operating temperature and pressure.
What You’re Getting
- Precisely threaded design that creates a tight, leak-free seal in cylinder head openings
- Durable construction that handles the temperature swings and pressure cycles of diesel engine operation
- Direct replacement part—threads right into place without modifications or special tools
- Quality materials that resist corrosion from coolant chemicals and engine heat
Built for Farm Work
This plug fits New Holland T4, T5, T6, and T7 series tractors along with the T4000, T6000, and T7000 series models. These tractors range from compact utility machines perfect for hay operations and livestock work to heavy-duty row-crop tractors that handle serious field work like tillage, planting, and harvesting.
Made to Last
Engine components see some of the toughest conditions on your tractor—constant heat cycles, vibration, and exposure to coolant and oil. This plug is manufactured to handle those demands with materials that won’t corrode or work loose over time, ensuring a reliable seal that keeps your cooling system functioning properly.
Installation Notes
Apply anti-seize compound to the threads to prevent the plug from seizing in the head, making future removal easier. Thread the plug in by hand first to avoid cross-threading, then tighten to proper torque specification. Check for any old sealant or debris in the threaded opening before installation.
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