Buy HITACHI EX100 120-1-2-3-5 EXHAUST MANIFOLD BOLT NUT (OEM HI 4414857 IS 8941704860) | Tonkee®

The exhaust manifold bolt and nut, with OEM part numbers HI 4414857 and IS 8941704860, are essential components that secure the exhaust manifold to the engine block.

The exhaust manifold is responsible for collecting exhaust gases from the engine's cylinders and directing them into the exhaust system for proper emission control. These bolts and nuts are crucial for maintaining a tight and secure connection between the manifold and the engine, ensuring optimal engine performance and reducing the risk of exhaust leaks.

Material: The exhaust manifold bolt and nut are typically made from high-strength steel to withstand the high-temperature environment of the exhaust system and the vibrations generated by the engine.

Size: The specific dimensions of the bolt and nut may vary slightly depending on the manufacturer's design, but they are typically designed to fit precisely with the exhaust manifold and engine block. The size and threading are critical to ensure a secure and leak-free connection.

Thread Type: Both the bolt and nut feature standard threads that allow for easy installation and removal using common hand tools or power tools.

The threading pattern is designed to create a tight seal and prevent loosening due to engine vibrations.

Coating: To protect against corrosion and ensure long-lasting performance, these bolts and nuts may feature a corrosion-resistant coating, such as zinc plating or a similar material.

Tightening Torque: Proper torque specifications are essential to ensure that the exhaust manifold is securely fastened without over-tightening, which can lead to damage. The manufacturer's guidelines should be followed for torque values.

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