SIERRA 18-3151 Cooling Water Pipe Flange

Compatible Engines

The SIERRA 18-3151 cooling water pipe flange is a critical component of the cooling system, ensuring a secure connection between hoses and the engine block. Manufactured with precision and high-quality materials, this part effectively prevents coolant leaks, which is fundamental for maintaining optimal engine operating temperatures. It is essential to verify part compatibility before purchase by comparing the manufacturer's catalog number 18-3151 with your engine's data or using the OE number. If you have any doubts regarding fitment for your specific boat model or outboard engine, we recommend contacting our customer support team to assist you in selecting the correct part.

Installation and Operation

Replacing the flange is a straightforward procedure that requires care. Before beginning work, ensure the cooling system is drained and the engine is cool. During installation, pay close attention to the proper positioning of the gasket to avoid folds, which can lead to leaks. After installing the new SIERRA part, it is recommended to check the system for leaks before the first startup. Regular replacement of worn rubber and metal parts prevents breakdowns during operation.

• Ensures cooling system tightness, protecting the engine from overheating.
• Made from durable materials resistant to corrosion and water exposure.
• Easy installation thanks to standard dimensions and precise shape.
• Original SIERRA manufacturer quality ensures long part lifespan.
• Ideal solution for replacing damaged or worn flanges.