This is a genuine Nissan exhaust manifold stud, designed specifically for the VK56 V8 engine found in the Y62 Patrol. It is used to securely fasten the exhaust manifold directly to the engine's cylinder head, creating a crucial, gas-tight seal for the exhaust system.
Due to constant exposure to extreme heat cycles, vibration, and corrosive gases, these studs can stretch, corrode, or snap over time. A common symptom of a failed stud is an audible ticking noise from the engine bay, particularly when the engine is cold, which indicates a dangerous exhaust leak. It is best practice to replace these studs whenever the exhaust manifold is removed to prevent future failure and ensure a reliable, long-lasting seal.
Replacing an exhaust manifold stud can be a difficult workshop job, particularly if the old stud has snapped off inside the aluminium cylinder head. This often requires specialised stud extraction tools. To ensure a complete and lasting repair, it is highly recommended to replace all studs and nuts as a set. You should also replace the exhaust manifold gaskets at the same time to guarantee a perfect seal.
Please check vehicle fitment to confirm compatibility with your vehicle. Please contact us with your VIN details if you require further assistance to confirm fitment.
Choosing genuine Nissan parts ensures the quality and fit for your Nissan. Unlike some aftermarket alternatives, genuine Nissan parts are manufactured to exacting standards, using materials specifically designed to withstand the rigors of Australian conditions. Guaranteeing performance, service life, and reliability.
