SIERRA 18-3593 Coolant Pump

Compatible Engines

Proper cooling is the foundation of reliability for every outboard engine. The SIERRA 18-3593 coolant pump is a high-quality component manufactured by a renowned producer, ensuring durability and efficient fluid circulation. This part is dedicated to cooling systems in engines from brands such as MERCRUISER, including models from the 140 GM 181 I/L4, 3.0L GM 181 I/L4, 3.0L MPI EC, and 3.0LX GM 181 I/L4 series. Remember that compatibility should always be verified by the manufacturer's catalog number (18-3593) or the original OE number. If you have any doubts regarding compatibility with your specific drive, contact our store support to select the correct part.

Installation and Operation

• Original SIERRA quality – ensures long service life and corrosion resistance.
• Ideal circulation – effectively dissipates heat, protecting the engine from overheating.
• Easy disassembly – the design facilitates replacement under standard service conditions.
• Unique EAN number – 808282276904 guarantees product identification and authenticity.

During replacement, we recommend checking the condition of seals and hoses. Regular maintenance of the cooling system will extend the life of the propulsion unit.