SIERRA 118-3070 Cooling Water Pump Impeller

Compatible Engines

Maintaining the optimal performance of your outboard motor requires the use of genuine or high-quality replacement parts, such as the SIERRA 118-3070 cooling water pump impeller. This critical component, responsible for circulating coolant, is essential for keeping your propulsion unit at the correct operating temperature. Please note that compatibility with specific engine models must be verified. We recommend confirming fitment by checking the manufacturer catalog number 118-3070 or the original OE number. If you have any doubts about selecting the correct part for your engine, please contact our customer support for professional advice to avoid installation errors.

Installation and Operation

Correct installation of the impeller is key to the longevity of the pump. Before replacement, ensure the pump housing is clean and the new seal is properly lubricated. An incorrectly installed impeller can cause leaks or pressure drops, leading to engine overheating. Regular inspection of the impeller condition prevents costly failures.

• Original Dimensions – precise fitment of 58x30x20 mm ensures tightness and efficiency.
• Material Durability – resistant to corrosion and the effects of salt or fresh water.
• Safety – prevents engine overheating through stable cooling circulation.
• Easy Installation – standard design facilitates replacement during routine service.